Broadband availability
Broadband in Cardiff
Browse all areas in Cardiff or enter your postcode for exact availability results.
- Full Fibre Coverage
- 100%
- of areas in Cardiff
- Avg Full Fibre Speed
- 892 Mbps
- typical download
- Avg Superfast Speed
- 39 Mbps
- typical download
- Providers Available
- 11
- covering Cardiff
Coverage overview
Broadband coverage in Cardiff
Full fibre broadband is available across all areas in Cardiff, with typical download speeds of around 892 Mbps. Coverage is among the best in the country.
With full fibre available across Cardiff, residents can access some of the fastest home broadband connections in the UK. Speeds of 892 Mbps are achievable on full fibre packages, which is well suited to households with multiple devices, home workers, and anyone who streams in 4K.
Best available
full fibre
892 Mbps avg download
Compare Broadband Deals in Cardiff
Showing live pricing for Riverside, Cardiff as a benchmark. Enter your postcode above for results at your specific address.
12 deals loaded
Gig1 Fibre broadband 1.5(105k Trustpilot reviews)
CableSpecial Offer
1.13 Gbps
avg. download speed
41 Mbps upload
£22.99 /mo
24 month contract
Monthly price will increase each April by £3.50 p/m
Exclusive Access to Priority from O2Double Mobile Data for O2 CustomersBoosted Broadband Speeds for O2 Customers
M250 Broadband Only1.5(105k Trustpilot reviews)
CableSpecial Offer
264 Mbps
avg. download speed
20 Mbps upload
£17.99 /mo
24 month contract
Monthly price will increase each April by £3.50 p/m
Exclusive Access to Priority from O2Double Mobile Data for O2 CustomersBoosted Broadband Speeds for O2 Customers
Full Fibre 5004.0(129k Trustpilot reviews)
Full FibreClaim up to £200 Switching Credit.
500 Mbps
avg. download speed
68 Mbps upload
£28 /mo
24 month contract
Increases annually on 1 April by £3.00
Intelligent WiFi Hub
Full Fibre 9004.0(82k Trustpilot reviews)
Full FibreSpecial OfferClaim up to £300 switching credit£145 Reward Card.
Smart Hub 7 Plus RouterPause and manage WiFi in the EE app
Sky Full Fibre 1502.7(28k Trustpilot reviews)
Full FibreSpecial Offer£80 Gift CardClaim up to £200 switching credit.
150 Mbps
avg. download speed
27 Mbps upload
£23 /mo
24 month contract
Price could change during your contract
£5 upfront fee is credited back to your accountSky must give you 1 month's notice for any mid-contract price risesIf you are unhappy with a mid-contract price rise, Sky will offer you the right to exit your contract.
Full Fibre 1502.1(21k Trustpilot reviews)
Full FibreSpecial Offer£120 Reward Card.
150 Mbps
avg. download speed
27 Mbps upload
£23.99 /mo
24 month contract
Price will increase by £3 p/m every March during contract
Includes Cyber Threat Protect, powered by NortonNew Smart Hub 3 router100MB Stay Fast Guarantee (or £20 back and no early exit fee)*
Full Fibre 1451.8(12k Trustpilot reviews)
Full FibreSpecial Offer£140 Reward Card.
145 Mbps
avg. download speed
30 Mbps upload
£22.99 /mo
24 month contract
Price will increase by £3 p/m every March during contract
Exclusive Offers and Discounts for Plusnet CustomersFull Fibre connection to your homeGreat for gaming and streaming in 4K UHD with multiple devices online the same time
900Mb Full Fibre (24 Months)
Full Fibre
900 Mbps
avg. download speed
900 Mbps upload
£33.99 /mo
First 12 months
then £38.99/mo
24 month contract
£5 off per month, for 12 monthsIdeal for HD video streaming, gamers & Cloud-based workSymmetrical speeds
300Mb Full Fibre (24 Months)
Full Fibre
300 Mbps
avg. download speed
300 Mbps upload
£20 /mo
First 12 months
then £40/mo
24 month contract
Price will rise annually. This will be capped at £3 p/m
£20 off per month, for 12 monthsIf prices increase, customers can leave within 30 days, penalty-freeSymmetrical speeds
900Mb Full Fibre (24 Months)
Full Fibre
900 Mbps
avg. download speed
900 Mbps upload
£22 /mo
First 12 months
then £44/mo
24 month contract
Price will rise annually. This will be capped at £3 p/m
£22 off per month, for 12 monthsIf prices increase, customers can leave within 30 days, penalty-freeIdeal for HD video streaming, gamers & Cloud-based work
Fast 24m
Full Fibre
Perfect for streaming, calling or gaming on 1 or 2 devices at a timeStream ultra-HD movies on up to 4 devices at once
Sky Full Fibre 752.7(28k Trustpilot reviews)
Full Fibre£50 Gift CardClaim up to £200 switching credit.
75 Mbps
avg. download speed
19 Mbps upload
£23 /mo
24 month contract
Price could change during your contract
£5 upfront fee is credited back to your accountSky must give you 1 month's notice for any mid-contract price risesIf you are unhappy with a mid-contract price rise, Sky will offer you the right to exit your contract.
Pricing correct at time of display. Click through to provider for full terms.
Broadband Providers in Cardiff
1.5(105.0k)
4.0(129.0k)
4.0(82.0k)
2.7(28.0k)
2.1(21.0k)
1.8(12.0k)
Customer ratings sourced from Trustpilot. Checked 18 June 2026.