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Celebrating 10 years and 100,000 switches

View Virgin Media dealsView BT Fibre Broadband dealsView Sky Fibre Broadband dealsView EE Fibre Broadband dealsView Vodafone Fibre Broadband dealsView Three Home Broadband dealsView 4th Utility dealsView Community Fibre dealsView Hyperoptic Fibre Broadband dealsView NOW Broadband dealsView Rise Fibre dealsView Plusnet Fibre Broadband deals

Current Top 3 Deals

  • Best Value
    Three Home Broadband
    Three5G Home Broadband
    150Mb
    average speed*
    £14
    per month
    24 month contract
    £0 Setup cost
    Increasing to: £17.50 on 01 April 2027 & £21 on 01 April 2028
    5G Home Broadband
    Unlimited Data
    No Fixed Landline
  • Recommended
    Sky Fibre Broadband
    SkyFull Fibre 500
    500Mb
    average speed*
    £27
    per month
    24 month contract
    £0 Setup cost
    Prices may change during 24-month minimum term
    includes:£80 Gift Card
    Full Fibre
    Ultrafast+
  • Fast
    Rise Fibre
    Rise900Mbps Full Fibre.
    900Mb
    average speed*
    £28.99
    per month
    for 6 months then £38.99
    24 month contract
    £0 Setup cost
    Prices may increase during your contract
    includes:£10 off for 6 Months
    Full Fibre
    Gigafast

These are our top 3 deals available widely across the UK. to see the very best deals at your address.

Browse Deals

  • £100 Gift card
    Online Exclusive
    Sky Fibre Broadband
    SkyFull Fibre Gigafast
    900Mb 
    avg. speed*
    £30 per month
    Full Fibre
    Gigafast
    £100 Gift Card included
    New customers only
    24 month contract
    £0 Setup cost
    Prices may change during 24-month minimum term
  • Special Offer
    Three Home Broadband
    Three5G Home Broadband
    150Mb 
    avg. speed*
    £14 per month
    5G Home Broadband
    Unlimited Data
    No Fixed Landline
    24 month contract
    £0 Setup cost
    Increasing to: £17.50 on 01 April 2027 & £21 on 01 April 2028
  • £80 Gift Card
    Online Exclusive
    Sky Fibre Broadband
    SkyFull Fibre 150
    145Mb 
    avg. speed*
    £23 per month
    Full Fibre
    Ultrafast
    £80 Gift Card included
    New customers only
    24 month contract
    £0 Setup cost
    Prices may change during 24-month minimum term
  • £95 Virtual Reward Card
    BT Fibre Broadband
    BTFull Fibre 150
    150Mb 
    avg. speed*
    £26.99 per month
    Full Fibre
    Ultrafast
    £95 Virtual Reward Card
    24 month contract
    £0 Setup cost
    Increasing to: £30.99 on 31 March 2027 & to £34.99 on 31 March 2028
  • Online Exclusive
    NOW Broadband
    NOWFull Fibre 300
    300Mb 
    avg. speed*
    £30 per month
    Full Fibre
    Ultrafast+
    24 month contract
    £5 Setup cost
    Prices may change during contract
  • Online Exclusive
    Virgin Media
    VirginUltrafast M500 Fibre Broadband
    516Mb 
    avg. speed*
    £20.99 per month
    Cable Broadband
    Ultrafast+
    24 month contract
    £0 Setup cost
    Increases to: £24.99 from April 2027 bill & to £28.99 from April 2028 bill
  • £150 Virtual Reward Card
    BT Fibre Broadband
    BTFull Fibre 900
    900Mb 
    avg. speed*
    £31.99 per month
    Full Fibre
    Gigafast
    £150 Virtual Reward Card
    24 month contract
    £0 Setup cost
    Increasing to: £35.99 on 31 March 2027 & to £39.99 on 31 March 2028
  • £10 off for 6 Months
    Rise Fibre
    Rise900Mbps Full Fibre.
    900Mb 
    avg. speed*
    £28.99 per month
    for 6 months then £38.99
    Full Fibre
    Gigafast
    24 month contract
    £0 Setup cost
    Prices may increase during your contract
  • £150 Reward Card
    EE Fibre Broadband
    EEFull Fibre 900
    900Mb 
    avg. speed*
    £25.99 per month
    Full Fibre
    5GB Mobile Data Boost
    Ultrafast
    £150 Reward Card Included
    24 month contract
    £0 Setup cost
    Increasing to: £29.99 on 31 March 2027 & to £33.99 on 31 March 2028
  • £125 Virtual Reward Card
    BT Fibre Broadband
    BTFull Fibre 500
    500Mb 
    avg. speed*
    £29.99 per month
    Full Fibre
    Ultrafast+
    £125 Virtual Reward Card
    24 month contract
    £0 Setup cost
    Increasing to: £33.99 on 31 March 2027 & to £37.99 on 31 March 2028
  • Community Fibre
    Community Fibre150 Mbps Fibre Broadband (12 months)
    150Mb 
    avg. speed*
    £26 per month
    Full Fibre
    Ultrafast
    30 Day Satisfaction Guarantee
    12 month contract
    £0 Setup cost
    Increases to £29 on 1st April 2027
  • 4th Utility
    4th Utility500Mbps Full Fibre (12 months)
    500Mb 
    avg. speed*
    £29 per month
    Full Fibre
    Ultrafast+
    12 month contract
    £0 Setup cost
    Price Increases to £33 in March 2027
  • Community Fibre
    Community Fibre75 Mbps Fibre Broadband (12 months)
    75Mb 
    avg. speed*
    £26 per month
    Full Fibre
    30 Day Satisfaction Guarantee
    12 month contract
    £0 Setup cost
    Increases to £29 on 1st April 2027
  • £10 off for 6 Months
    Rise Fibre
    Rise300 Mbps Fibre Broadband..
    300Mb 
    avg. speed*
    £26.99 per month
    for 6 months then £36.99
    Full Fibre
    Ultrafast
    24 month contract
    £0 Setup cost
    Prices May Increase During Contract
  • 4th Utility
    4th Utility500Mbps Full Fibre (City Fibre 12 months)
    500Mb 
    avg. speed*
    £33 per month
    Full Fibre
    Ultrafast+
    12 month contract
    £0 Setup cost
    Price Increases to £37 in March 2027
  • £80 Amazon Voucher
    Rebel Internet
    Rebel1000.
    1000Mb 
    avg. speed*
    £40 per month
    Full Fibre
    No mid contract price rises
    24 month contract
    £0 Setup cost
    No mid-contract price changes
  • Community Fibre
    Community Fibre1Gbps Fibre Broadband (12 months)
    920Mb 
    avg. speed*
    £32 per month
    Full Fibre
    Gigafast
    30 Day Satisfaction Guarantee
    12 month contract
    £0 Setup cost
    Increases to £35 on 1st April 2027
  • 4th Utility
    4th Utility250Mbps Full Fibre (12 months)
    250Mb 
    avg. speed*
    £28 per month
    Full Fibre
    Ultrafast
    12 month contract
    £0 Setup cost
    Price Increases to £32 in March 2027
  • Community Fibre
    Community Fibre500 Mbps Fibre Broadband (12 months)
    500Mb 
    avg. speed*
    £29 per month
    Full Fibre
    Ultrafast+
    30 Day Satisfaction Guarantee
    12 month contract
    £0 Setup cost
    Increases to £32 on 1st April 2027

to see the very best deals at your address.

Compare broadband deals in Cardiff

Broadband deals in Cardiff

As the capital of Wales and one of the UK’s fastest-growing cities, Cardiff is a great place to find a wide range of broadband deals. Whether you’re based in the city centre or surrounding areas like Penarth, Barry, or Caerphilly, there are plenty of options available. From budget-friendly packages for everyday browsing to high-speed connections ideal for streaming, online gaming, or remote work, there’s no shortage of choice

Across the Cardiff area, a variety of broadband technologies are available – including widespread superfast coverage and rapidly expanding full fibre networks. This gives households the flexibility to compare providers, speeds and prices to find a broadband package that suits their needs and budget.

What broadband can I get in Cardiff?

Cardiff residents across the four main postcode areas – CF10, CF11, CF23, CF14 – benefit from excellent broadband infrastructure. Overall, 99.6% of premises in Cardiff can access superfast broadband (30 Mbps+), with 95.3% capable of gigabit speeds.

A postcode snapshot:

  • CF10 (city centre): Near-universal superfast access, with widespread FTTP availability and strong gigabit-capable services.
  • CF11 (Grangetown, Riverside): High coverage of full fibre and consistent availability of ultrafast connections via both FTTP and cable.
  • CF23 (Llanishen, Pentwyn): Most homes enjoy superfast speeds, with full fibre already live in a high proportion of properties and gigabit options through multiple providers.
  • CF14 (Rhiwbina, Whitchurch): Similar to CF23, with strong FTTP coverage and plenty of ultrafast plans available.

Between 2019 and 2025, Cardiff has seen a dramatic rise in average download speeds. Driven by ongoing rollouts of full fibre and Virgin Media cable upgrades, the latest data by ThinkBroadband shows an increase of 52Mbps to 209Mbps.

Why postcode precision matters

Even within a single postcode, availability of full fibre or gigabit broadband can vary between streets or buildings due to differences in provider rollout, property type, and infrastructure. To find out exactly what's available at your address, use our postcode checker for the most accurate and up-to-date information.

Can you get full fibre in Cardiff?

If you live in Cardiff, the odds are high that you’ll be able to access full fibre. As of 2025, around 95% of premises in Cardiff have access to ultrafast broadband (speeds over 100 Mbps), these will either be through Virgin Media’s cabling or another full fibre network like CityFibre or Openreach. CityFibre and Openreach are the names of the wholesalers who provide the infrastructure for full fibre which other companies, like Sky and Onestream, use to deliver their broadband.

Which broadband providers are in Cardiff?

Cardiff offers a great choice of broadband providers, giving residents access to a variety of speeds, packages, and price points to suit different needs and budgets.

Virgin Media

Virgin Media offers some of the fastest broadband speeds in Cardiff, with packages reaching up to 1Gbps thanks to its own cable network. It’s a popular choice for larger households or anyone needing consistent high-speed connectivity for streaming, gaming, or working from home. Virgin Media often bundles broadband with TV and phone services, making it ideal for customers looking for an all-in-one deal.

Sky

This household name in broadband, TV, and entertainment, offers a range of fibre packages through the Openreach network. Customers in Cardiff can expect reliable performance, flexible contract lengths, with the option to bundle with Sky’s TV services. Speeds range from standard fibre up to full fibre in many parts of the city, making it a solid all-rounder for most homes.

BT

BT is one of the UK’s biggest broadband providers and has widespread availability across Cardiff via the Openreach network. Known for reliability and extensive customer support, BT offers a variety of broadband packages including full fibre options with speeds up to 900Mbps. BT is also a good choice for customers who want added extras like BT Sport or enhanced parental controls.

Vodafone

Vodafone has become an increasingly popular choice for broadband in Cardiff, offering competitive pricing and high-speed fibre packages through the Openreach network. Vodafone often includes discounts for existing mobile customers, making it a good choice if you're already using them for your phone plan.

Plusnet

Plusnet is a budget-friendly provider with a reputation for strong UK-based customer service. Operating on the Openreach network, Plusnet offers simple, straightforward broadband packages with no-frills pricing. While it doesn’t always offer the fastest speeds on the market, it's a dependable and cost-effective option for smaller households or light internet users in Cardiff.

NOW Broadband

NOW Broadband offers flexible broadband plans with no long-term contract, making it perfect for renters, students, or anyone wanting a shorter commitment. Powered by the Sky network, NOW provides standard and fibre packages at competitive rates.

Onestream

Slightly lesser-known than the others, but Onestream has been growing in popularity thanks to its low-cost full fibre deals. Using the Openreach network, Onestream offers fast broadband at affordable prices, making it a viable alternative to the big names. While extras may be more limited, it’s worth considering if you're looking for value-focused full fibre options in Cardiff.

Hyperoptic

Even its slowest package has a very healthy average speed of 50Mbps. And despite being fast paced it also offers really good prices. Another big draw is that it also comes with a flexible rolling contract for those not looking to lock-in. You’ve just got to hope that your postcode falls under a Hyperoptic network, it’s currently available to about 20% of Cardiff.

Ready to switch broadband in Cardiff?

The new One Touch Switch process makes changing broadband providers easier than ever. You only need to sign up with your new provider – there’s no need to contact your current one, as the switch is handled for you.

It’s a quick and hassle-free way to get a better deal. Just enter your postcode to compare the latest broadband offers available in Cardiff.

Finding the right broadband deal in your area doesn't have to be complicated. We're here to help.

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