FBRE Reference · Updated 3 June 2026
138 enriched UK broadband, altnet, mobile and online-safety terms with plain definitions, consumer relevance, dated UK context and cross-links. Free to cite under CC-BY-4.0. Updated 3 June 2026.
UK broadband glossary, 138+ enriched definitions.
Plain-English definitions with why each term matters to UK consumers, dated market context, and related-term links. Built for journalists, policy researchers and comparison teams.
138+
Enriched terms
CC-BY-4.0
Free to cite
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What changed: Mobile & satellite term group (138 enriched terms), 3 June 2026.
A
- ADR
-
Alternative Dispute Resolution: formal escalation for unresolved telecoms complaints via Communications Ombudsman or CISAS.
Why it matters: Use after your provider's complaints process; can resolve billing, service and compensation disputes.
UK context: **VERIFY (unconfirmed):** R4 briefing cites a reduction from eight weeks to six before ADR escalation from 8 April 2026; not confirmed against Ofcom or scheme primary sources — do not treat as locked until verified.
FBRE guides & tools: Automatic compensation guide · Compensation calculator.
- ADSL
-
Asymmetric Digital Subscriber Line. Legacy copper broadband technology delivering up to about 24 Mbps download in ideal conditions. Largely superseded by FTTC and FTTP. Understanding ADSL helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding ADSL helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Affiliate
-
A commercial arrangement where a publisher earns a commission (typically CPA) for sending a customer to an ISP, network or comparison site. Understanding Affiliate helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Affiliate helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Altnet
-
Alternative network operator. A UK broadband infrastructure operator that builds fibre infrastructure independent of Openreach. See our UK AltNet Tracker . Altnets often compete on price, speed and contract terms in areas where Openreach or Virgin already serve. Altnets passed 19.7m premises with 3.5m live connections end-2025 (INCA/Point Topic public summary, March 2026).
Why it matters: Altnets often compete on price, speed and contract terms in areas where Openreach or Virgin already serve.
UK context: Altnets passed 19.7m premises with 3.5m live connections end-2025 (INCA/Point Topic public summary, March 2026).
- Annual best-tariff notification
-
Ongoing notice requirement for out-of-contract customers about their provider's best tariff for them, not only at contract end.
Why it matters: Complements the end-of-contract alert so long-standing out-of-contract customers see cheaper in-contract options.
UK context: Part of Ofcom's fairness commitments alongside ECNs from February 2020.
FBRE guides & tools: Out-of-contract checker.
- Area 3
-
Commercially viable parts of the UK where multiple fibre builders compete without BDUK subsidy. Where most altnet overbuild and consolidation activity happens. INCA 2026 public summary cites 4.4m Area 3 premises in the altnet footprint.
Why it matters: Understanding Area 3 helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- ASA
-
Advertising Standards Authority. UK regulator for advertising standards including online and broadcast. Understanding ASA helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding ASA helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Automatic compensation
-
Ofcom scheme requiring signatory providers to pay fixed amounts for delayed repairs, missed appointments and delayed service starts.
Why it matters: Repair payments accrue after two full working days; capped at 60 days, after which you may leave penalty-free if service is still not restored.
UK context: From 1 April 2026 (CPI-uprated each 1 April): £10.34/day delayed repair, £32.31 missed appointment, £6.46/day delayed start (signatory scheme pages).
FBRE guides & tools: Automatic compensation guide · Compensation calculator.
- Awin
-
The dominant UK CPS affiliate network for telco brands. Used by most major UK ISPs. Understanding Awin helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Awin helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
B
- BDUK
-
Building Digital UK. The UK government executive agency responsible for delivering Project Gigabit and earlier rural broadband programmes. Understanding BDUK helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding BDUK helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Bonded ADSL
-
Multiple ADSL lines combined for higher throughput, mostly legacy business use. Understanding Bonded ADSL helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Bonded ADSL helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Broadband
-
High-speed fixed-line internet access; technically any always-on connection above 256 kbps but in UK consumer use typically means 30 Mbps+ FTTC or faster. Understanding Broadband helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Broadband helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Broadband Speeds Code of Practice
-
Ofcom code requiring clearer speed information at sale and a minimum guaranteed download speed with remedy rights.
Why it matters: If delivered speed stays below the guarantee and the fault is not fixed in time, you can leave penalty-free.
UK context: Minimum guaranteed speed must be provided at point of sale; 30-day fix window before penalty-free exit (Ofcom Broadband Speeds Code).
FBRE guides & tools: Mid-contract price-rise rights.
- Bundle
-
Combined sale of broadband with one or more of mobile, TV, landline or content. Common UK examples include BT Halo, Sky bundles, Vodafone Together, Virgin Volt. Understanding Bundle helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Bundle helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
C
- CAP and BCAP
-
UK Advertising and Broadcast Advertising Codes enforced by the ASA, governing broadband speed and fibre claims in marketing.
Why it matters: Sets how providers may describe speeds and fibre; relevant to FTTC versus FTTP labelling disputes.
UK context: ASA November 2017 review on "fibre" for FTTC; High Court dismissed CityFibre challenge in 2019 ([2019] EWHC 950 (Admin)).
- CDPQ
-
Caisse de depot et placement du Quebec, Canadian institutional investor active in UK altnet funding (notably Boldyn Networks). Understanding CDPQ helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding CDPQ helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Cease and re-provide
-
Legacy switch method where the old line is stopped and a new order placed, often causing downtime and two provider contacts.
Why it matters: Still used for some technology changes; slower and riskier than One Touch Switch where OTS applies.
UK context: One Touch Switch (from 12 September 2024) replaced cease-and-re-provide for most like-for-like broadband moves.
- CGNAT
-
Carrier-grade NAT: ISP-level address sharing so many customers share one public IP address.
Why it matters: Can block inbound connections for self-hosting, some games and remote-access setups unless you pay for a static IP.
UK context: Common on consumer broadband from major UK ISPs; static-IP options vary by provider and product tier.
- CISAS
-
Communications and Internet Services Adjudication Scheme; Ofcom-approved ADR alternative to the Communications Ombudsman.
Why it matters: Your provider belongs to one ADR scheme or the other; use whichever covers your supplier.
UK context: **VERIFY (unconfirmed):** R4 briefing cites six-week minimum wait before escalation from 8 April 2026 (previously eight weeks); not confirmed against CISAS or Ofcom primary sources — do not treat as locked until verified.
FBRE guides & tools: Automatic compensation guide.
- CityFibre
-
The UK's largest independent wholesale full-fibre operator. See CityFibre profile . Understanding CityFibre helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding CityFibre helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Communications Ombudsman
-
Ofcom-approved ADR scheme for unresolved telecoms and broadband complaints against participating providers.
Why it matters: Free independent escalation after your provider's internal complaints process; can order remedies including compensation.
UK context: **VERIFY (unconfirmed):** R4 briefing cites a reduction from eight weeks to six before ADR escalation from 8 April 2026; not confirmed against Ofcom or Communications Ombudsman primary sources — do not treat as locked until verified.
FBRE guides & tools: Automatic compensation guide.
- Connected Nations
-
Ofcom's annual UK fixed and mobile connectivity report, the primary public source for UK FTTP and gigabit coverage data. Understanding Connected Nations helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Connected Nations helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Contention ratio
-
The number of users sharing the same backhaul capacity. Lower contention is better. Modern FTTP networks have effectively very low contention. Understanding Contention ratio helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Contention ratio helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Contract summary
-
Standardised one-page document listing price, speed, contract length, exit charges and key terms before you sign.
Why it matters: The quickest way to compare true cost and exit rights across providers before you commit.
UK context: Required under Ofcom General Conditions; must be provided before contract signature.
FBRE guides & tools: Total contract cost calculator · Mid-contract price-rise tracker.
- Cooling-off period
-
Statutory window after signing a distance or off-premises contract during which you can cancel without penalty.
Why it matters: Lets you reverse a rushed signup before installation or within the first days of service.
UK context: 14 days on most UK consumer broadband contracts sold at a distance (Consumer Contracts Regulations).
FBRE guides & tools: Mid-contract price-rise rights.
- CPA
-
Cost per acquisition. The standard affiliate commission model in UK telco: a fixed payment for a validated customer signup. Understanding CPA helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding CPA helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- CPI price rise
-
Legacy mid-contract increase tied to Consumer Prices Index inflation plus a provider margin on older contracts.
Why it matters: Banned in new/renewed contracts from 17 January 2025; still affects deals signed before that date.
UK context: CPI 3.0% (12 months to January 2026, ONS, published 18 February 2026). Legacy margins: BT/Plusnet CPI+3.9%, TalkTalk CPI+3.7%.
FBRE guides & tools: Mid-contract price-rise tracker · Mid-contract price-rise rights · Price-rise calculator.
- CPS
-
Cost per sale. Often used interchangeably with CPA in UK affiliate marketing. Understanding CPS helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding CPS helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- CSP
-
Content Security Policy. A web security standard that controls which resources a page may load. Used across the FBRE network. Understanding CSP helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding CSP helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
D
- Decent broadband
-
Ofcom term for a connection meeting minimum download and upload thresholds under the USO (currently 10 Mbit/s down / 1 Mbit/s up).
Why it matters: Defines when the USO legal right applies versus commercial availability only.
UK context: ~39,000 UK premises still lacked decent fixed/FWA by January 2026 (Ofcom spring 2026 update).
- Digital voice
-
Phone calls carried as VoIP over broadband instead of the legacy copper PSTN voice network.
Why it matters: Needs working broadband and power; plan backup for outages if you rely on a landline or alarm.
UK context: Migration ahead of PSTN switch-off deadline 31 January 2027; ~14 million homes and businesses still on copper phone lines (Ofcom/gov.uk, 2025).
FBRE guides & tools: PSTN switch-off guide.
- DOCSIS
-
Data Over Cable Service Interface Specification. The cable broadband standard used by Virgin Media in the UK. Understanding DOCSIS helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding DOCSIS helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Domain Rating (DR)
-
Ahrefs metric on a 0 to 100 logarithmic scale that estimates the strength of a domain's backlink profile. See UK Telco Domain Authority Index . Understanding Domain Rating (DR) helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Domain Rating (DR) helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- DSL
-
Digital Subscriber Line. Family of copper broadband technologies including ADSL, VDSL and SDSL. Understanding DSL helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding DSL helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- DSLAM
-
DSL Access Multiplexer. The cabinet equipment that aggregates DSL connections from premises to the exchange. Understanding DSLAM helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding DSLAM helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
E
- E-E-A-T
-
Experience, Expertise, Authoritativeness and Trustworthiness. Google's quality framework for content evaluation. Understanding E-E-A-T helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding E-E-A-T helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Early termination charge (ETC)
-
Fee for leaving during the minimum term, usually reducing month by month toward zero at contract end.
Why it matters: Can outweigh savings from switching mid-term; compare ETC against out-of-contract premium before moving.
UK context: Does not apply once your minimum term ends or when penalty-free exit rights apply (e.g. under the Broadband Speeds Code).
FBRE guides & tools: Mid-contract price-rise rights.
- EE
-
UK telco brand, now part of BT Group, repositioned as the premium consumer brand from 2024. See EE profile . Understanding EE helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding EE helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- End-of-contract notification (ECN)
-
Mandatory notice your provider must send before your minimum term ends, setting out what happens to your price and how to stay or leave.
Why it matters: Triggers the window to compare deals before out-of-contract prices bite; acting on alerts saves about £110/year (Ofcom research).
UK context: Mandatory since 15 February 2020; must be sent 10–40 days before contract end (Ofcom General Conditions).
FBRE guides & tools: Out-of-contract checker · Total contract cost calculator.
- eSIM
-
Embedded SIM profile downloaded digitally instead of a physical SIM card, used on phones and some 4G/5G routers.
Why it matters: Lets you switch mobile or 5G home plans without waiting for a posted SIM; check device and MNO support first.
UK context: All four UK MNOs (EE, O2, Three, Vodafone) support consumer eSIM on selected devices (2026).
F
- Fibrus
-
The leading Northern Ireland-focused altnet. Understanding Fibrus helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Fibrus helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- FTTB
-
Fibre to the building. Fibre runs to the building basement or comms room; internal wiring may still be copper or ethernet to flats. Common in blocks of flats where one fibre serves many homes. Often used by altnets and Openreach for MDU deployments.
Why it matters: Understanding FTTB helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- FTTC
-
Fibre to the Cabinet. Fibre runs to the street cabinet, copper completes the last drop to the premises. Typical speeds 36 to 80 Mbps download. Understanding FTTC helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding FTTC helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- FTTP
-
Fibre to the Premises. Fibre runs all the way to the building. Typical speeds 100 Mbps to 2 Gbps; some operators (Community Fibre, YouFibre) offer up to 8 Gbps. Full fibre usually delivers more consistent speeds and is the long-term replacement for copper-based broadband. 78% of UK premises (23.7m) had FTTP available as of July 2025 (Ofcom Connected Nations 2025).
Why it matters: Full fibre usually delivers more consistent speeds and is the long-term replacement for copper-based broadband.
UK context: 78% of UK premises (23.7m) had FTTP available as of July 2025 (Ofcom Connected Nations 2025).
- Full fibre
-
Synonymous with FTTP in UK consumer marketing. Understanding Full fibre helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Full fibre helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- FWA (fixed wireless access)
-
Fixed wireless access: broadband from a radio mast to a fixed antenna, including 4G/5G home and dedicated FWA networks.
Why it matters: Can be the only decent option in rural premises before fibre arrives; performance depends on line-of-sight and congestion.
UK context: Ofcom counts FWA toward decent-broadband availability alongside fixed lines (Connected Nations, November refresh cadence).
FBRE guides & tools: PSTN switch-off guide.
G
- 5G home broadband
-
Residential broadband delivered over a mobile 5G network via an indoor or outdoor router, distinct from fibre or cable.
Why it matters: Useful where full fibre is not yet live; speed and latency vary sharply by postcode and mast load.
UK context: EE, Three, Vodafone and O2 sell 5G home products in selected postcodes (2026); check coverage before committing.
- 5G SA and NSA
-
5G non-standalone (NSA) adds 5G radio on a 4G core; standalone (SA) uses a full 5G core for lower latency and advanced features.
Why it matters: Explains why two "5G" home broadband products on the same network can perform differently; SA is the longer-term architecture.
UK context: EE, Three, Vodafone and O2 deploy NSA widely; SA is selective by area (Ofcom Connected Nations, November refresh cadence).
- G.fast
-
Very-high-speed DSL over short copper loops from the cabinet, a stepping stone before FTTP. Some premises still on G.fast until FTTP overbuild completes. Openreach G.fast footprint was limited and largely superseded by FTTP build.
Why it matters: Understanding G.fast helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Gaining provider
-
The broadband company you switch to; under One Touch Switch they contact the losing provider for you.
Why it matters: You only need to speak to the gaining provider to move service.
UK context: Ofcom rules require gaining providers to lead the One Touch Switch process from 12 September 2024.
- Gaining Provider Lead (GPL)
-
Regulatory model making the provider you join responsible for running the switch, core to One Touch Switch.
Why it matters: Explains why you only contact the new ISP and why they must chase the losing provider.
UK context: Codified in Ofcom's One Touch Switch rules effective 12 September 2024 via TOTSCo processes.
- GCAS
-
General Conditions of Authorisation. Ofcom rules that govern UK communications providers including switching and customer protection. Understanding GCAS helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding GCAS helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- GEA
-
Generic Ethernet Access. Openreach's wholesale FTTC product purchased by retail ISPs. Understanding GEA helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding GEA helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Gigabit
-
Broadband at 1 Gbps (1,000 Mbps) or higher. Now available to approximately 80 to 85 percent of UK premises. Understanding Gigabit helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Gigabit helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- GPON
-
Gigabit Passive Optical Network. Common FTTP technology splitting one fibre among many homes via a passive splitter. Underpins most UK FTTP builds from Openreach and altnets. Openreach and CityFibre networks predominantly use GPON or XGS-PON.
Why it matters: Understanding GPON helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
H
- Halo
-
BT Group bundle proposition combining broadband, mobile and TV. Understanding Halo helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Halo helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- HFC (hybrid fibre coax)
-
Network using fibre to neighbourhood nodes and coaxial cable to the home, used by Virgin Media in much of the UK. Virgin Media cable is not Openreach FTTP; switchers must check separate availability. Virgin Media passes millions of UK homes on DOCSIS cable plant.
Why it matters: Understanding HFC (hybrid fibre coax) helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Hyperoptic
-
UK altnet focused on multi-dwelling-unit (MDU) buildings. See Hyperoptic profile . Understanding Hyperoptic helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Hyperoptic helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
I
- INCA
-
Independent Networks Cooperative Association. The trade body for UK altnets. Understanding INCA helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding INCA helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- IP
-
Internet Protocol. Also used for "intellectual property" in business contexts. Understanding IP helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding IP helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- IPv6
-
Internet Protocol version 6. The newer addressing scheme replacing IPv4. Variable UK ISP support. Understanding IPv6 helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding IPv6 helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- ISP
-
Internet Service Provider. See our UK ISP database . Understanding ISP helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding ISP helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- ITU-T
-
International Telecommunication Union Telecommunication Standardization Sector. Standards body for telecoms including XGS-PON specifications. Understanding ITU-T helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding ITU-T helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
J
- Jitter
-
Variation in latency over time. Important for voice, video and gaming. Measured in milliseconds. Understanding Jitter helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Jitter helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
K
- KCOM
-
Historic Hull telephony incumbent, now Macquarie-owned, operating its own full-fibre network across Hull and East Yorkshire separate from Openreach. Understanding KCOM helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding KCOM helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
L
- Latency
-
The round-trip time for a packet between your device and a destination. Measured in milliseconds. Lower is better; below 30ms is excellent for gaming. Understanding Latency helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Latency helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- LCP
-
Largest Contentful Paint. A Core Web Vitals metric measuring how quickly the main content of a page renders. Understanding LCP helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding LCP helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- LEO satellite broadband
-
Low Earth orbit satellite internet with lower latency than traditional geostationary satellite; Starlink is the main UK consumer example.
Why it matters: Alternative where fibre or fixed wireless is uneconomic; distinct latency, weather and data-cap terms from fixed lines.
UK context: Ofcom spring 2026 update (data January 2026): affordable decent satellite cut premises without affordable decent broadband to ~4,000 UK-wide.
FBRE guides & tools: PSTN switch-off guide.
- Losing provider
-
Your current broadband company when you switch away.
Why it matters: Under One Touch Switch you do not need to call them to cancel; the gaining provider notifies them.
UK context: Legacy processes required customers to call both providers; OTS removed that burden from September 2024.
M
- Mbps
-
Megabits per second. The standard UK consumer broadband speed unit. 1 Gbps = 1,000 Mbps. Understanding Mbps helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Mbps helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- MDU
-
Multi-dwelling-unit. An apartment block or similar shared building. Hyperoptic specialises in MDU fibre. Understanding MDU helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding MDU helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Mid-contract price rise
-
Increase to your monthly bill during a fixed minimum term, either a stated pounds-and-pence amount (new contracts) or a legacy CPI/RPI formula.
Why it matters: April 2026 fixed rises are typically £3–4/month on major providers; legacy CPI/RPI deals can increase more.
UK context: New/renewed contracts from 17 January 2025 cannot use inflation-linked percentage rises (Ofcom, 19 July 2024); must show rises in pounds and pence at sign-up.
FBRE guides & tools: Mid-contract price-rise tracker · Mid-contract price-rise rights · Price-rise calculator.
- Minimum guaranteed speed
-
Slowest download speed your provider guarantees on your line, stated in your contract summary and sale information.
Why it matters: If sync speed stays below this and the fault is not fixed within 30 days, you have a penalty-free exit right under Ofcom's Broadband Speeds Code.
UK context: Ofcom Broadband Speeds Code of Practice; ties to automatic compensation if outages continue (60-day repair cap).
FBRE guides & tools: Mid-contract price-rise rights · Automatic compensation guide.
- Minimum term
-
Fixed initial period (often 12, 18 or 24 months) during which early exit may incur a charge unless a code-of-practice right applies.
Why it matters: Know when you can switch penalty-free; after it ends you move to out-of-contract pricing unless you recontract.
UK context: 28% of broadband customers were out of contract as of June 2025 (Ofcom pricing report, data to September 2025).
FBRE guides & tools: Mid-contract price-rise rights · Total contract cost calculator.
- MNO
-
Mobile Network Operator: company owning radio spectrum and core network; the four UK MNOs are EE, O2, Three and Vodafone.
Why it matters: Your 5G home or mobile service ultimately runs on an MNO network even if you buy from another brand.
UK context: Stable market structure (four MNOs) as of 2026; MVNOs resell on these networks.
- MVNO
-
Mobile Virtual Network Operator: retail brand using another operator's network (e.g. giffgaff on O2, Smarty on Three).
Why it matters: Coverage matches the host MNO; 5G home and eSIM availability depend on the wholesale deal, not just the brand name.
UK context: Major UK MVNOs include giffgaff, Smarty, Voxi, Lebara and Lyca Mobile (2026).
N
- nexfibre
-
Joint venture between Virgin Media O2, InfraVia and Liberty Global to build out a wholesale XGS-PON network alongside Virgin Media's existing DOCSIS estate. Understanding nexfibre helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding nexfibre helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Notice-period charge
-
Charge if you leave without giving the notice days specified in contract, sometimes overlapping with ETC.
Why it matters: Check both notice period and ETC before scheduling a switch date.
UK context: Less common on consumer broadband than ETC but still appears in some business and legacy terms.
O
- Ofcom
-
Office of Communications. UK independent regulator for communications. Understanding Ofcom helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Ofcom helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- OFCOM General Conditions
-
Ofcom General Conditions of Entitlement: core regulatory rules all UK communications providers must follow.
Why it matters: Covers ECNs, contract summaries, complaints handling, vulnerable customers and social tariff fairness.
UK context: Stable framework; ECNs mandatory since 15 February 2020 (10–40 days before contract end). Pounds-and-pence rule from 17 January 2025.
- OLT
-
Optical Line Terminal. The exchange-side endpoint of a passive optical network. Understanding OLT helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding OLT helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- One Touch Switch (OTS)
-
The UK switching process where you contact only your new (gaining) provider, who arranges the transfer via TOTSCo without you cancelling the old service yourself.
Why it matters: Avoids overlapping bills, missed cancellations and the old two-call switch. The gaining provider leads the whole journey.
UK context: Launched 12 September 2024 (operated by TOTSCo); 2m+ switches by end 2025; match rate ~67–68% (Ofcom, 2025).
FBRE guides & tools: Out-of-contract checker.
- Online Safety Act
-
UK 2023 legislation placing duties on user-to-user and search services on harmful content and age assurance. Shapes how platforms verify age; distinct from ISP network filters. Ofcom is the regulator for most Online Safety Act duties on services.
Why it matters: Understanding Online Safety Act helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- ONT
-
Optical Network Terminal. The premises-side endpoint of a fibre connection. Understanding ONT helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding ONT helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Openreach
-
BT Group's wholesale infrastructure division. Operates the largest UK fixed-line network. Most retail ISPs use Openreach's network, so advertised speeds are often similar even when brands differ. Openreach reported ~22m FTTP premises passed in 2025 (operator disclosure).
Why it matters: Most retail ISPs use Openreach's network, so advertised speeds are often similar even when brands differ.
UK context: Openreach reported ~22m FTTP premises passed in 2025 (operator disclosure).
- OSA 2023
-
Online Safety Act 2023. UK legislation imposing duties on user-to-user and search services around content moderation, age-appropriate design and harmful content. Understanding OSA 2023 helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding OSA 2023 helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Out of contract
-
Your minimum term has ended; you may switch without ETC but often pay a higher out-of-contract monthly price until you recontract or move.
Why it matters: 28% of broadband customers were out of contract in June 2025, typically paying £7–9/month more than in-contract equivalents (Ofcom pricing report).
UK context: End-of-contract notifications (mandatory since 15 February 2020) and annual best-tariff alerts help; acting saves ~£110–203/year (Ofcom; Uswitch 2026).
FBRE guides & tools: Out-of-contract checker · Total contract cost calculator.
P
- Parental controls (ISP)
-
Network or account-level filters blocking categories of websites on home broadband. First line of defence for families; not a substitute for device-level controls. Major UK ISPs offer free network filters; deeper guides live on ParentalControl.uk.
Why it matters: Understanding Parental controls (ISP) helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Part fibre
-
Marketing and technical shorthand for services where fibre does not reach the premises, typically FTTC. Helps distinguish copper-last-mile products from full fibre at the same price point. ASA November 2017 review allowed "fibre" labelling for FTTC; High Court dismissed CityFibre challenge in 2019 ([2019] EWHC 950 (Admin)).
Why it matters: Understanding Part fibre helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Penalty-free exit
-
Right to leave without early termination charges when specific conditions are met (contract end, code breaches, or prolonged outage).
Why it matters: Avoids ETC when speeds stay below guarantee or service is down beyond compensation limits.
UK context: Broadband Speeds Code: exit if sync speed below minimum guaranteed and unfixed within 30 days; automatic compensation repair payments cap at 60 days with further penalty-free exit rights if service not restored.
FBRE guides & tools: Automatic compensation guide · Compensation calculator.
- Pension Credit
-
Benefit topping up pension income; Guarantee Credit qualifies for social broadband tariffs.
Why it matters: Older households are among those least aware of social tariffs (Ofcom awareness research).
UK context: ~70% of eligible households unaware of social tariffs (Ofcom, October 2025).
FBRE guides & tools: Social tariff database.
- Personal Independence Payment (PIP)
-
UK disability benefit; qualifies for social tariffs only with selected providers, not all benefit-based tariffs.
Why it matters: Most comparison sites say "any benefit qualifies"; PIP holders must check provider-specific lists.
UK context: As of June 2026, PIP accepted for social broadband by Vodafone, Hyperoptic, KCOM and Quickline among major listed tariffs (re-verify quarterly).
FBRE guides & tools: Social tariff database.
- PoA / POA
-
Price on application. Used where commercial pricing is confidential or bespoke. Understanding PoA / POA helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding PoA / POA helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Pounds-and-pence rule
-
Ofcom rule that new and renewed contracts from 17 January 2025 must state any in-contract price rises as fixed cash amounts, not CPI/RPI percentages.
Why it matters: Lets you see exact future bill increases at sign-up instead of inflation-linked surprises.
UK context: Effective for contracts signed or renewed from 17 January 2025 (Ofcom statement, 19 July 2024). Social tariffs remain exempt from mid-contract rises.
FBRE guides & tools: Mid-contract price-rise tracker · Mid-contract price-rise rights · Price-rise calculator.
- Premises passed
-
Number of UK premises (residential plus commercial) where an operator's physical infrastructure can technically reach. Coverage claims usually mean passed, not connected; take-up can be far lower. Altnets passed 19.7m premises but had only 3.5m connections end-2025 (18% take-up, INCA 2026 public summary).
Why it matters: Coverage claims usually mean passed, not connected; take-up can be far lower.
UK context: Altnets passed 19.7m premises but had only 3.5m connections end-2025 (18% take-up, INCA 2026 public summary).
- Premises ready for service (RFS)
-
Subset of premises passed where service can be ordered and installed immediately. Understanding Premises ready for service (RFS) helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Premises ready for service (RFS) helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Project Gigabit
-
UK government programme delivering gigabit broadband to hard-to-reach areas via BDUK regional contracts. Understanding Project Gigabit helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Project Gigabit helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- PSTN
-
Public Switched Telephone Network: the legacy copper voice network being withdrawn across Great Britain and Northern Ireland.
Why it matters: When PSTN closes, copper voice and many copper broadband products stop; voice moves to digital over broadband.
UK context: National switch-off deadline 31 January 2027 (Ofcom/gov.uk guidance, 2025); KCOM (Hull) and Crown Dependencies have separate timetables.
FBRE guides & tools: PSTN switch-off guide.
- PSTN switch-off
-
Industry withdrawal of the legacy copper phone network (PSTN) and migration of voice to digital (VoIP) over broadband.
Why it matters: Affects landlines, telecare alarms and copper-based ADSL/FTTC; plan migration before the national deadline.
UK context: National switch-off deadline 31 January 2027 (Ofcom/gov.uk guidance, 2025); ~14 million homes and businesses still on copper phone lines.
FBRE guides & tools: PSTN switch-off guide.
Q
- QoS
-
Quality of Service. Network mechanisms to prioritise certain traffic (e.g. voice). Understanding QoS helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding QoS helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
R
- Retail ISP
-
Company that sells broadband contracts to households, often using Openreach, CityFibre or Virgin wholesale networks. Your bill and support come from the retail ISP even if another firm built the fibre. BT, Sky, TalkTalk, Vodafone and dozens of altnets act as retail ISPs.
Why it matters: Understanding Retail ISP helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Router
-
The home device that connects your premises to your ISP and distributes Wi-Fi to your devices. Understanding Router helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Router helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- RPI
-
Retail Prices Index inflation measure used in some legacy broadband contracts for annual mid-contract rises.
Why it matters: Virgin Media and some older deals use RPI rather than CPI; RPI often runs higher.
UK context: RPI 3.8% (12 months to January 2026, ONS, published 18 February 2026). Virgin legacy contracts are RPI-based.
FBRE guides & tools: Mid-contract price-rise tracker · Mid-contract price-rise rights · Price-rise calculator.
S
- Schema.org
-
Vocabulary for structured data used to help search engines understand page content. Used across FBRE. Understanding Schema.org helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Schema.org helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- SIM-only
-
Mobile tariff sold without a handset, typically rolling-monthly or 12-month contract. Understanding SIM-only helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding SIM-only helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- SLA
-
Service Level Agreement. A commercial commitment to uptime, response time or other measurable performance. Understanding SLA helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding SLA helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Speedtest
-
A tool that measures download speed, upload speed, ping and jitter on your connection. See UKSpeedTest.co.uk . Understanding Speedtest helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Speedtest helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- SSS Group
-
SearchSwitchSave Group. The parent group of FBRE.uk. Understanding SSS Group helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding SSS Group helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Starlink
-
SpaceX low Earth orbit satellite broadband service sold direct to UK consumers in eligible postcodes.
Why it matters: Option for very remote premises; different latency, weather sensitivity and contract terms from fibre.
UK context: Ofcom spring 2026 update (data January 2026): affordable decent satellite reduced premises without affordable decent broadband to ~4,000 UK-wide.
FBRE guides & tools: PSTN switch-off guide.
- Superfast broadband
-
Ofcom and UK policy term for download speeds of at least 30 Mbit/s. Distinguishes basic broadband from ultrafast/gigabit tiers in coverage statistics. UK superfast coverage reached 98% of premises (Ofcom CN2025, July 2025 data).
Why it matters: Understanding Superfast broadband helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Symmetric
-
Equal upload and download speed. XGS-PON full fibre typically allows symmetric tariffs; DOCSIS does not. Understanding Symmetric helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Symmetric helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Sync speed
-
Actual line rate negotiated between your router and the network, often shown in router stats or engineer tests.
Why it matters: Compare sync speed against your contract's minimum guaranteed speed to invoke exit or compensation rights.
UK context: Ofcom Broadband Speeds Code remedies are based on delivered/sync performance versus the guaranteed minimum.
T
- Take-up rate
-
Percentage of premises ready for service that are actually paying customers. Urban altnet take-up typically 5 to 15 percent; rural altnet take-up typically 20 to 30 percent. Understanding Take-up rate helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Take-up rate helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Telecare / careline alarm
-
Personal alarm or monitoring service, often on a landline, that must keep working through PSTN-to-digital-voice migration.
Why it matters: Power cuts and VoIP migration can interrupt alarms; tell your provider and check battery backup.
UK context: Ofcom fined Virgin Media £23.8 million on 1 December 2025 for telecare failures during digital migration.
FBRE guides & tools: PSTN switch-off guide.
- Tenancy
-
Fixed-price advertising placement on a publisher's site, in contrast to performance-based affiliate commission. Understanding Tenancy helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Tenancy helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- TOTSCo
-
The industry company that operates One Touch Switch messaging between gaining and losing providers.
Why it matters: Explains who coordinates your switch behind the scenes when you use One Touch Switch.
UK context: Operates One Touch Switch from 12 September 2024; industry match rate ~67–68% in 2025 (Ofcom).
- TTFB
-
Time to First Byte. Measure of how long a server takes to respond to a request. Understanding TTFB helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding TTFB helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Typical speed range
-
Peak-time download speed available to at least 50% of customers on a package, described in advertising as "average" under CAP/BCAP.
Why it matters: "Average" here is a defined regulatory speed standard, not casual marketing language; compare it to your minimum guaranteed and sync speeds.
UK context: From 23 May 2018 (CAP/BCAP, enforced by ASA), this replaced the older "up to" standard (see up-to-speed-claim). Numerical claims must use the 50%-at-peak download figure.
FBRE guides & tools: FTTC vs FTTP explainer · Mid-contract price-rise rights.
U
- "Up to" speed claim
-
Legacy numerical advertising quoting a maximum line speed that only a minority of customers needed to reach.
Why it matters: Headline "up to" figures often exceeded what your line could deliver; modern ads should show the regulated average instead.
UK context: Pre-23 May 2018, "up to" claims could be satisfied if only about 10% of customers reached the quoted speed. Replaced by the 50%-at-peak average rule (see typical-speed-range); CAP/BCAP effective 23 May 2018.
FBRE guides & tools: FTTC vs FTTP explainer.
- Ultrafast broadband
-
Ofcom term for broadband at 300 Mbps or higher. Largely synonymous with FTTP entry tariffs. Understanding Ultrafast broadband helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Ultrafast broadband helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Universal Credit
-
UK means-tested benefit that qualifies households for most social broadband tariffs.
Why it matters: Most common qualifying benefit for social tariffs across major providers.
UK context: See FBRE social tariff database for provider-specific eligibility (June 2026).
FBRE guides & tools: Social tariff database.
- USO
-
Universal Service Obligation: legal right to request a decent broadband connection when none is available commercially.
Why it matters: Safety net for premises still without decent fixed or fixed-wireless access; BT and KCOM are designated providers.
UK context: Stable rights: 10 Mbit/s down / 1 Mbit/s up minimum; £3,400 cost threshold (Ofcom USO). ~39,000 premises lacked decent fixed/FWA by January 2026 (Ofcom spring 2026 update).
FBRE guides & tools: Social tariff database.
- USO £3,400 cost threshold
-
Maximum network build cost BT or KCOM must bear under the USO before a connection can be refused as uneconomic.
Why it matters: Defines when the USO right applies versus when only commercial or subsidised build is available.
UK context: Stable USO rule: £3,400 threshold alongside 10 Mbit/s down / 1 Mbit/s up minimum (Ofcom USO).
FBRE guides & tools: PSTN switch-off guide.
- USS
-
Universities Superannuation Scheme. UK pension fund and altnet investor (e.g. G.Network). Understanding USS helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding USS helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- UX
-
User Experience. The overall feel of using a product or website. Understanding UX helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding UX helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
V
- VDSL
-
Very-high-bit-rate Digital Subscriber Line. The technology used for FTTC. Understanding VDSL helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding VDSL helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- VoIP
-
Voice over Internet Protocol: digital phone calls over broadband, replacing PSTN landline technology.
Why it matters: Your landline after PSTN switch-off; quality and backup depend on your router, broadband uptime and power.
UK context: Providers must migrate customers before 31 January 2027 PSTN switch-off; tell them if you use telecare or a careline.
FBRE guides & tools: PSTN switch-off guide.
- Volt
-
Virgin Media O2 bundle proposition combining broadband and mobile. Understanding Volt helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding Volt helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
W
- WAN
-
Wide Area Network. Typically refers to the ISP-side of your home connection. Understanding WAN helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding WAN helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- WBA
-
Wholesale Broadband Access. Generic term for the wholesale layer between an infrastructure operator and a retail ISP. Understanding WBA helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding WBA helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Wholesale-only (altnet)
-
Fibre builder that sells to retail ISPs but does not sell broadband directly to consumers. You buy from a retail partner, not the network brand on the street cabinet. CityFibre is the largest UK wholesale-only full-fibre platform.
Why it matters: Understanding Wholesale-only (altnet) helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
- Wi-Fi 5 (802.11ac)
-
Older Wi-Fi standard; common in older routers and devices. Understanding Wi-Fi 5 (802.11ac) helps you compare UK broadband deals, coverage claims and contract terms accurately. Wi-Fi standards evolve independently of your broadband package speed.
Why it matters: Understanding Wi-Fi 5 (802.11ac) helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: Wi-Fi standards evolve independently of your broadband package speed.
- Wi-Fi 6 (802.11ax)
-
Current mainstream Wi-Fi standard. Better performance in dense-device environments. Understanding Wi-Fi 6 (802.11ax) helps you compare UK broadband deals, coverage claims and contract terms accurately. Wi-Fi standards evolve independently of your broadband package speed.
Why it matters: Understanding Wi-Fi 6 (802.11ax) helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: Wi-Fi standards evolve independently of your broadband package speed.
- Wi-Fi 6E
-
Wi-Fi 6 plus 6 GHz spectrum. Even better performance but requires compatible devices. Understanding Wi-Fi 6E helps you compare UK broadband deals, coverage claims and contract terms accurately. Wi-Fi standards evolve independently of your broadband package speed.
Why it matters: Understanding Wi-Fi 6E helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: Wi-Fi standards evolve independently of your broadband package speed.
- Wi-Fi 7 (802.11be)
-
Emerging Wi-Fi standard with multi-link operation and higher throughput. Understanding Wi-Fi 7 (802.11be) helps you compare UK broadband deals, coverage claims and contract terms accurately. Wi-Fi standards evolve independently of your broadband package speed.
Why it matters: Understanding Wi-Fi 7 (802.11be) helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: Wi-Fi standards evolve independently of your broadband package speed.
- WLR (Wholesale Line Rental)
-
Openreach wholesale product for renting the copper line that carried PSTN voice and many legacy broadband services.
Why it matters: Understanding WLR explains why copper line rental disappears with PSTN switch-off and digital voice.
UK context: WLR withdrawal runs alongside PSTN switch-off to 31 January 2027; KCOM (Hull) operates a separate timetable.
FBRE guides & tools: PSTN switch-off guide.
X
- XGS-PON
-
10 Gigabit Symmetric Passive Optical Network. The current mainstream wholesale full-fibre technology in the UK, supporting symmetric multi-gigabit tariffs. Understanding XGS-PON helps you compare UK broadband deals, coverage claims and contract terms accurately. See linked FBRE research pages for dated UK market context.
Why it matters: Understanding XGS-PON helps you compare UK broadband deals, coverage claims and contract terms accurately.
UK context: See linked FBRE research pages for dated UK market context.
Suggest a term: hello@searchswitchsave.com
Discounted broadband for households on qualifying benefits, typically £12.50–£24/month, exempt from mid-contract price rises.
Why it matters: Can save about £200/year versus standard entry tariffs; no exit fee to switch to one from a standard deal.
UK context: 532,000 users (June 2025); ~70% of eligible households unaware (Ofcom, October 2025). PIP accepted only by Vodafone, Hyperoptic, KCOM and Quickline among major listed tariffs (re-verify quarterly).
FBRE guides & tools: Social tariff database.
Related: Personal Independence Payment (PIP), Universal Credit, Pension Credit, Pounds-and-pence rule, USO.