UK ISP comparison
Cuckoo vs Sky Broadband
Cuckoo is the simplicity-led challenger; Sky is the established TV+broadband bundle. Comparison turns on bundle preference.
About Cuckoo
Cuckoo is a challenger brand with simple no-contract Openreach broadband.
About Sky Broadband
Sky retails Openreach with strong Sky TV bundle integration.
Pricing comparison
Cuckoo wins on standalone monthly cost and flexibility. Sky wins on TV bundle value if Sky TV is already part of the spend.
Speed comparison
Both retail Openreach at the same wholesale speeds.
Coverage comparison
Both cover Openreach nationwide.
Verdict
Cuckoo wins for households outside the Sky TV ecosystem. Sky wins for households who want broadband bundled with TV.
Who each is best for
Cuckoo suits standalone broadband households. Sky suits Sky TV households.
How to switch
- Check availability at your postcode for both providers. Coverage matters more than the headline brand.
- Compare like-for-like on speed, contract length and total cost of ownership for 12 to 24 months.
- Use One Touch Switch to move. Your new provider does the heavy lifting.
- Test your speed after the switch on UKSpeedTest.co.uk and complain if it materially underperforms.
Last updated: May 2026. Pricing changes frequently. Always check the latest tariff at the provider's own site or via SearchSwitchSave.com.
Common questions
How long does a switch between Cuckoo and Sky Broadband take?
Under the UK One Touch Switch process introduced by Ofcom in 2024, most switches between two UK fixed-line broadband providers complete within ten working days. The gaining provider takes responsibility for the switch and your existing contract ends automatically. See Fibreswitch.com for the live status of your switch.
Will I lose service during the switch?
Most One Touch Switch moves between Openreach-based providers happen with no service downtime, because the underlying line stays connected. Moves between Openreach and a separate network (Virgin Media, Hyperoptic, Community Fibre, Netomnia, CityFibre via altnet retailer) can involve a brief overlap period to avoid any gap in connectivity. Your gaining provider will confirm the precise method during the order.
Can I keep my router?
Generally no. Most UK ISPs issue their own router optimised for their network and supply chain. You can use your own router on most Openreach FTTC and FTTP services, but bear in mind support and Wi-Fi guarantees apply to the supplied router. Cable, XGS-PON and certain proprietary altnet networks require the supplied modem or ONT.
Is the switch process the same in Northern Ireland?
One Touch Switch covers Great Britain. In Northern Ireland, switching processes follow Ofcom NI guidance and may differ for the Hull region where KCOM operates the historic incumbent network. Check with your gaining provider for region-specific guidance.