Compare the best broadband deals in Cardiff. Search offers from 16 providers with speeds up to 1600Mbps and prices from £14.00p/m.
Full Fibre (FTTP)
89.13%
Gigabit Broadband
96.44%
Average Speed
201Mbps
Prices from
£14.00 p/m
Data sources: Pricing & Providers by Switchity | Coverage statistics provided by ThinkBroadband Labs.
£14.00 per month
10Mbps average speed
4G
24 month contract
£33.99 per month
1600Mbps average speed
Full Fibre
24 month contract
£35.00 per month
300Mbps average speed
Sky TV & Netflix
24 month contract
Cardiff benefits from strong broadband availability, with full fibre reaching nearly 90% of homes and gigabit speeds accessible to 96% of premises. Coverage is strongest in the central belt and spreading outwards, though some outer suburbs have patchier availability.
Cathays, Roath, and Heath enjoy excellent full fibre coverage in the central and northern areas, with residents having strong access to fast connections from multiple providers. Canton, Grangetown, and Cardiff Bay in the south have comprehensive coverage from both Openreach FTTP and Virgin Media’s cable network, plus some independent fibre competition.
Pontprennau, St Mellons, and Llanrumney in the eastern suburbs have good altnet presence alongside mainstream providers, offering competitive choice. Cyncoed and Lisvane in the affluent northeast have Virgin Media’s newest 2Gbps technology but more variable FTTP coverage. Radyr and Pentyrch on the rural fringes should check specific addresses, as full fibre availability becomes less consistent.
Compare 16 broadband providers serving Cardiff. Ratings and review counts are sourced from Trustpilot.
Enter your postcode in our broadband checker above to see which providers serve your specific address and compare their available packages.
Alternative network providers have limited presence in Cardiff at just 10.5% coverage, concentrated mainly in eastern areas like Pontprennau, St Mellons, and Llanrumney, plus southern districts around Canton and Grangetown. Most central and northern suburbs have fewer independent fibre options beyond the major national networks.
89.13%
79.67%
96.44%
10.56%
99.6%
0.34%
Cardiff’s broadband infrastructure performs well above UK averages, with the 96% gigabit availability figure reflecting where Virgin Media’s cable network fills gaps left by FTTP rollout. This means nearly all residents can access speeds of 1Gbps or faster.
The main limitation is the relatively low AltNet presence at 10.5%, meaning fewer independent providers competing for custom compared to other cities. While connection speeds are rarely an issue, the range of provider choice varies considerably depending on which neighbourhood you live in, particularly affecting residents in western and northern suburbs.
Data sources: Coverage statistics provided by ThinkBroadband Labs (Correct as of November 2025).
Budget-conscious households can find basic broadband from Three at £16/month for 10Mbps, suitable for light usage and browsing.
Most Cardiff homes can access faster full fibre or cable packages at competitive prices, so compare deals across multiple providers. Check which networks serve your specific postcode to see the full range of available options.
Speed-focused users can access ultrafast connections from EE at £47.99/month for 1600Mbps, ideal for multiple devices and heavy usage.
Northern suburbs like Lisvane and Cyncoed with Virgin Media’s newest infrastructure can reach 2Gbps on certain packages. Check your postcode to confirm which gigabit services are available at your address.
Thanks to Ofcom’s One Touch Switch, changing providers in Cardiff requires just a single request.
Simply sign up with your new supplier and they will manage the cancellation of your old contract automatically.
No more retention calls; just a seamless switch.
Check your early termination fee first – some new providers will pay it for you. Or try haggling with your current provider’s retention team. Use our ETF calculator to see if switching saves money overall.
Join a growing community in Cardiff saving £250 per year and funding reforestation with every switch.
Every Switchity deal saves you money and helps reforest the planet. Here’s our impact so far:
2
Trees per switch
6,000+ kg
CO₂ captured
26% to goal
262/1,000 trees
£25,000+
Customer savings
Switching providers in Cardiff is now easier than ever thanks to One Touch Switch. You don’t need to contact your old provider to cancel. Simply choose a new deal from the 16 available ISPs, and they will handle the cancellation for you.
262
Trees we’ve grown together
£25,000
Saved by our community
£250
Your typical yearly saving
738 to go
Help us reach 1,000 trees
