UK AltNet profile
Community Fibre
Community Fibre is the largest London-only altnet, with symmetric full fibre tariffs that include some of the lowest UK gigabit pricing.
Headline numbers
| Founded | 2013 |
|---|---|
| HQ | London |
| Region of focus | London-only |
| Premises passed | 1.342 million London premises (September 2025) |
| Premises ready for service | 1.3 million ready for service |
| Customers (latest) | Over 429,000 customers at end-2025 (network penetration approximately 32 percent, leading major UK altnet by penetration) |
| Take-up rate | Approx 30 to 32 percent |
| Network tech | XGS-PON full fibre |
| Funding raised | Backed by Warburg Pincus, DTCP, Railpen and NDIF |
| Last funding round | Equity round |
| INCA member | Yes |
| Last updated | May 2026 |
About Community Fibre
Community Fibre operates a London-only XGS-PON full-fibre network passing approximately 1.4 million London premises. The brand is backed by Warburg Pincus, Amber Infrastructure and DTCP and is widely regarded as the leading London altnet on price, coverage and customer experience. Multi-gigabit retail tariffs are available across the London footprint at headline prices that consistently beat Openreach FTTP and Virgin Media. Community Fibre also operates a social-tariff programme aligned to London local authorities for eligible households.
Coverage notes
London-wide focus across the 32 London boroughs, with priority on dense urban residential and social housing partnerships.
Major build areas
Greater London. Major coverage across inner and outer London boroughs.
Partnership opportunities
London local-authority partnerships for social tariffs. Co-marketing in London-footprint via the FBRE network.
FBRE supports AltNets with geo-targeted tenancy, comparison site builds for resellers, and co-marketing collaborations. Network reach is verified at 12,000,000+ impressions and 730,000+ network clicks in the 12 months to 24 May 2026 (rolling average of 2,000+ clicks per day, rising fast). See AltNet marketing for placement and pricing.
How to reach Community Fibre-footprint switchers
- Geo-targeted tenancy on the FBRE network, single site from £99 per month.
- Postcode checker build that surfaces Community Fibre where available, from £4,500.
- Co-marketing on the FBRE AltNet Tracker.
- Comparison engine build for partner resellers, from £7,950.
Data and methodology
This profile uses INCA member published data where available, the operator's published trading updates and press releases, Ofcom Connected Nations data, and Companies House filings. Figures marked "data pending" reflect commercially confidential or not-yet-published numbers. See methodology for sourcing detail.