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At Broadband Genie we make finding the best broadband in Cardiff a breeze. Simply type in your address to compare the best offers in your area. You can read our expert, independent guides to decide on the best supplier and package for you.

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Currently showing 10 of 96 deals which match your search

Offer
Speed
Contract
Set-up Cost
Monthly Cost
Wi-Fi Hotspot access included
BT Full Fibre 100
150Mb avg. speed
24 months
£0 set-up cost
£29.99 p/m per month Prices may change during contract
Get deal
£50

Pricing calculation:

Monthly Cost: £29.99
Set-up Cost: £0
Rewards Saving: £50
Effective Monthly Cost: £27.91

Pricing Calculation

Effective monthly cost = This shows how much you are effectively paying each month over the length of the contract by taking into account rewards savings and one-off fees. The calculation for this is monthly cost x length of contract + setup cost - rewards savings.

Monthly cost = What you'll pay each month. This does not include additional fees, such as phone calls, which may be added to your bill.

Setup cost = The cost of installation, postage for the Wi-Fi router, and any other one-off charges.

Rewards saving = The value of vouchers and other perks included with a deal such as cashback, bill credit or a gift card which you can claim.

  • Extras

    Special offer: £50 BT Reward Card. 24 months reduced price. New customers only. Online only. Prices could rise by CPI + 3.9% on March 31st.

    BT Broadband customers get free and unlimited access to 5 million UK wide EE Wi-Fi Hotspots for fast internet access on the move

Virgin Media M250 Fibre Broadband Only
264Mb avg. speed
18 months
£0 set-up cost
£30.50 p/m per month Prices may change during contract
Hurry! Deal ends in 10h:28m:30s
Get deal 0333 0417 278
Or call: 0333 0417 278
What's this number?

What's this number?

This number will put you through directly to Virgin Media's customer service team.
For more information please see our privacy policy.

£75

Pricing calculation:

Monthly Cost: £30.50
Set-up Cost: £0
Rewards Saving: £75
Effective Monthly Cost: £26.33

Pricing Calculation

Effective monthly cost = This shows how much you are effectively paying each month over the length of the contract by taking into account rewards savings and one-off fees. The calculation for this is monthly cost x length of contract + setup cost - rewards savings.

Monthly cost = What you'll pay each month. This does not include additional fees, such as phone calls, which may be added to your bill.

Setup cost = The cost of installation, postage for the Wi-Fi router, and any other one-off charges.

Rewards saving = The value of vouchers and other perks included with a deal such as cashback, bill credit or a gift card which you can claim.

  • Extras

    Special offer: New customers only. Online only. £75 Bill Credit. 18 months reduced price. Monthly price shown will increase each April from April 2025 by the Retail Price Index rate of inflation announced in February each year plus 3.9%. Free router. £30 charge for engineer appointments.

Sky Broadband Superfast
61Mb avg. speed
18 months
£0 set-up cost
£27.00 p/m per month Prices may change during contract
Hurry! Deal ends in 10h:28m:30s
Get deal 0333 0417 276
Or call: 0333 0417 276
What's this number?

Find the best broadband package for you

Call us: 0333 0417 276

  • Monday to Sunday: 8am to 8pm
£45 Gift Card

Pricing calculation:

Monthly Cost: £27
Set-up Cost: £0
Rewards Saving: £45
Effective Monthly Cost: £24.50

Pricing Calculation

Effective monthly cost = This shows how much you are effectively paying each month over the length of the contract by taking into account rewards savings and one-off fees. The calculation for this is monthly cost x length of contract + setup cost - rewards savings.

Monthly cost = What you'll pay each month. This does not include additional fees, such as phone calls, which may be added to your bill.

Setup cost = The cost of installation, postage for the Wi-Fi router, and any other one-off charges.

Rewards saving = The value of vouchers and other perks included with a deal such as cashback, bill credit or a gift card which you can claim.

  • Phone

    +£5.75 for evening & weekend calls, +£13.50 for anytime calls, +£15.50 for international extra calls.

  • Extras

    Special offer: New customers only. Online only. £45 Choice of Gift Card. 18 months reduced price. No set annual price rises. You should be informed of any mid-contract price rises and then given 30 days to optionally leave your contract without penalty. Free router. Additional installation charge if a new line is required. £5 fee taken when joining and deducted from your first bill

Vodafone Full Fibre 150
150Mb avg. speed
24 months
£0 set-up cost
£29.00 p/m per month Prices may change during contract
Broadband Genie Exclusive
Hurry! Deal ends in 10h:28m:30s
Get deal
£125 Gift Card

Pricing calculation:

Monthly Cost: £29
Set-up Cost: £0
Rewards Saving: £125
Effective Monthly Cost: £23.79

Pricing Calculation

Effective monthly cost = This shows how much you are effectively paying each month over the length of the contract by taking into account rewards savings and one-off fees. The calculation for this is monthly cost x length of contract + setup cost - rewards savings.

Monthly cost = What you'll pay each month. This does not include additional fees, such as phone calls, which may be added to your bill.

Setup cost = The cost of installation, postage for the Wi-Fi router, and any other one-off charges.

Rewards saving = The value of vouchers and other perks included with a deal such as cashback, bill credit or a gift card which you can claim.

  • Phone

    Line rental included. Evenings & Weekends +£4. Anytime UK Landline & Mobile: +£8. International 300: +£5.

  • Extras

    Special offer: New customers only. Online only. 24 months reduced price. £125 Choice of Amazon.co.uk, Tesco, M&S or Sainsburys Gift Card. Line rental included. Prices could rise by CPI + 3.9% in April. Up to £3/month saving for existing mobile customers

Get 300+ channels & free Netflix
Sky Stream, Superfast Broadband and Netflix
61Mb avg. speed
18 months
£0 set-up cost
£39.00 p/m per month Prices may change during contract
Get deal 0333 0417 276
Or call: 0333 0417 276
What's this number?

Pricing calculation:

Monthly Cost: £39
Set-up Cost: £0
Rewards Saving: £0
Effective Monthly Cost: £39

Pricing Calculation

Effective monthly cost = This shows how much you are effectively paying each month over the length of the contract by taking into account rewards savings and one-off fees. The calculation for this is monthly cost x length of contract + setup cost - rewards savings.

Monthly cost = What you'll pay each month. This does not include additional fees, such as phone calls, which may be added to your bill.

Setup cost = The cost of installation, postage for the Wi-Fi router, and any other one-off charges.

Rewards saving = The value of vouchers and other perks included with a deal such as cashback, bill credit or a gift card which you can claim.

  • TV

    Enjoy 300+ channels, including Sky documentary and Sky Box Sets. Plug your puck into the TV for instant, on-demand Sky TV - all without the dish!

  • Phone

    Phone: +£5.75 for evening & weekend calls, +£13.50 for anytime calls, +£15.50 for international extra calls.

  • Extras

    Special offer: New customers only. Online only. 18 months reduced price. No set annual price rises. You should be informed of any mid-contract price rises and then given 30 days to optionally leave your contract without penalty. Free router. Additional installation charge if a new line is required. £5 fee taken when joining and deducted from your first bill

Sky Broadband Full Fibre 100
100Mb avg. speed
18 months
£0 set-up cost
£27.00 p/m per month Prices may change during contract
Hurry! Deal ends in 10h:28m:30s
Get deal 0333 0417 276
Or call: 0333 0417 276
What's this number?
£50 Gift Card

Pricing calculation:

Monthly Cost: £27
Set-up Cost: £0
Rewards Saving: £50
Effective Monthly Cost: £24.22

Pricing Calculation

Effective monthly cost = This shows how much you are effectively paying each month over the length of the contract by taking into account rewards savings and one-off fees. The calculation for this is monthly cost x length of contract + setup cost - rewards savings.

Monthly cost = What you'll pay each month. This does not include additional fees, such as phone calls, which may be added to your bill.

Setup cost = The cost of installation, postage for the Wi-Fi router, and any other one-off charges.

Rewards saving = The value of vouchers and other perks included with a deal such as cashback, bill credit or a gift card which you can claim.

  • Phone

    +£5.75 for evening & weekend calls, +£13.50 for anytime calls, +£15.50 for international extra calls.

  • Extras

    Special offer: New customers only. Online only. Choice of £50 Gift Card. 18 months reduced price. No set annual price rises. Free router. Additional installation charge if a new line is required. £5 fee taken when joining and deducted from your first bill

Vodafone Fibre 2
67Mb avg. speed
24 months
£0 set-up cost
£26.00 p/m per month Prices may change during contract
Hurry! Deal ends in 10h:28m:30s
Get deal
£60 Gift Card

Pricing calculation:

Monthly Cost: £26
Set-up Cost: £0
Rewards Saving: £60
Effective Monthly Cost: £23.50

Pricing Calculation

Effective monthly cost = This shows how much you are effectively paying each month over the length of the contract by taking into account rewards savings and one-off fees. The calculation for this is monthly cost x length of contract + setup cost - rewards savings.

Monthly cost = What you'll pay each month. This does not include additional fees, such as phone calls, which may be added to your bill.

Setup cost = The cost of installation, postage for the Wi-Fi router, and any other one-off charges.

Rewards saving = The value of vouchers and other perks included with a deal such as cashback, bill credit or a gift card which you can claim.

  • Phone

    Line rental included. Evenings & Weekends +£4. Anytime UK Landline & Mobile: +£8. International 300: +£5.

  • Extras

    Special offer: New customers only. Online only. 24 months reduced price. £60 Choice of Amazon.co.uk, Tesco, M&S or Sainsburys Gift Card. Line rental included. Prices could rise by CPI + 3.9% in April. Up to £3/month saving for existing mobile customers

Sky Broadband Superfast + Wifi Max
61Mb avg. speed
18 months
£0 set-up cost
£30.00 p/m per month Prices may change during contract
Hurry! Deal ends in 10h:28m:30s
Get deal 0333 0417 276
Or call: 0333 0417 276
What's this number?
£45 Gift Card

Pricing calculation:

Monthly Cost: £30
Set-up Cost: £0
Rewards Saving: £45
Effective Monthly Cost: £27.50

Pricing Calculation

Effective monthly cost = This shows how much you are effectively paying each month over the length of the contract by taking into account rewards savings and one-off fees. The calculation for this is monthly cost x length of contract + setup cost - rewards savings.

Monthly cost = What you'll pay each month. This does not include additional fees, such as phone calls, which may be added to your bill.

Setup cost = The cost of installation, postage for the Wi-Fi router, and any other one-off charges.

Rewards saving = The value of vouchers and other perks included with a deal such as cashback, bill credit or a gift card which you can claim.

  • Phone

    +£5.75 for evening & weekend calls, +£13.50 for anytime calls, +£15.50 for international extra calls.

  • Extras

    Special offer: New customers only. Online only. £45 Choice of Gift Card. 18 months reduced price. No set annual price rises. You should be informed of any mid-contract price rises and then given 30 days to optionally leave your contract without penalty. £55 Gift Card included. Free router. Wifi Guarantee. Additional installation charge if a new line is required. £5 fee taken when joining and deducted from your first bill

Virgin Media Gig1 Fibre Broadband Only
1.1Gb avg. speed
18 months
£0 set-up cost
£41.00 p/m per month Prices may change during contract
Get deal 0333 0417 278
Or call: 0333 0417 278
What's this number?

Pricing calculation:

Monthly Cost: £41
Set-up Cost: £0
Rewards Saving: £0
Effective Monthly Cost: £41

Pricing Calculation

Effective monthly cost = This shows how much you are effectively paying each month over the length of the contract by taking into account rewards savings and one-off fees. The calculation for this is monthly cost x length of contract + setup cost - rewards savings.

Monthly cost = What you'll pay each month. This does not include additional fees, such as phone calls, which may be added to your bill.

Setup cost = The cost of installation, postage for the Wi-Fi router, and any other one-off charges.

Rewards saving = The value of vouchers and other perks included with a deal such as cashback, bill credit or a gift card which you can claim.

  • Extras

    Special offer: New customers only. Online only. £95 Bill Credit. Monthly price shown will increase each April from April 2025 by the Retail Price Index rate of inflation announced in February each year plus 3.9%. Free router. £30 charge for engineer appointments.

Fibrely Full Fibre 330 Ultrafast
300Mb avg. speed
24 months
£9.99 set-up cost
£29.99 p/m per month
Broadband Genie Exclusive
Hurry! Deal ends in 3 days
Get deal
£65 Gift Card

Pricing calculation:

Monthly Cost: £29.99
Set-up Cost: £9.99
Rewards Saving: £65
Effective Monthly Cost: £27.70

Pricing Calculation

Effective monthly cost = This shows how much you are effectively paying each month over the length of the contract by taking into account rewards savings and one-off fees. The calculation for this is monthly cost x length of contract + setup cost - rewards savings.

Monthly cost = What you'll pay each month. This does not include additional fees, such as phone calls, which may be added to your bill.

Setup cost = The cost of installation, postage for the Wi-Fi router, and any other one-off charges.

Rewards saving = The value of vouchers and other perks included with a deal such as cashback, bill credit or a gift card which you can claim.

  • Broadband Genie Exclusive Offer (Ends Hurry! Deal ends in 3 days):

    £65 reward (ONLINE ONLY)

  • Extras

    Special offer: New customers only. Online only. £65 Choice of Amazon.co.uk, M&S or Tesco voucher included. 24 months reduced price. No in contract price rises. Free router.

Currently showing 10 of 96 deals which match your search

Order by phone:

0333 0417 2800333 0417 273

Open Mon - Fri What's this number?

Find the best broadband package for you

Call us: 0333 0417 273

  • Monday to Sunday: 8am to 8pm
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When you buy through Broadband Genie, we usually get paid a commission. We use this to make our site better, our rewards higher and to make sure everyone has a great experience buying with us. Find out more here.

Home Broadband deals in Cardiff

Cardiff's residents have access to good broadband, with superfast speeds available to the majority of areas. If you're looking for an ultrafast connection, full fibre is available for over 70% of the area.

Customers are lucky enough to enjoy very fast fibre packages, with the likes of Llandaff area, being able to access of speeds up to 944Mb through TalkTalk. Virgin Media is available with speeds up to 1.1Gb for most Cardiff areas except for Pentyrch and Peter-super-ely.

Not everyone has access to the same broadband deals. Your location will have a big effect on what's available. Because of this, it's important to do an address check here before starting to narrow down your search.

Broadband Genie deals checker

This should still leave you with a great choice of packages and will help avoid the disappointment of choosing a particular special offer only to find it’s not available in your street.

Not sure where to begin on your hunt for the best broadband in Cardiff? If you’re completely new to broadband, it might be best to start with our beginners’ guide. This explains all the basics while linking to more resources to fill in any more details you may want to learn. Or you can simply call us on the number at the top of the page if that suits you best.

If you have a rough idea of the kind of deal you’re after, we have several dedicated comparison tables for the likes of broadband and TV bundles, or unlimited broadband.

The future of broadband in Cardiff

Cardiff was the first city in Wales to get gigabit broadband, with full fibre specialist, Hyperoptic installing ultrafast connectivity in Hayes Apartments above the St David's shopping centre way back in 2014. 

While the availability of gigabit remains limited (as it is across the whole of the UK, sadly), it seems likely that given Cardiff's importance, residents and businesses won't have to wait too long to gain access. And even if that's some way off, there are still future Virgin Media upgrades and the deployment of fast fibre-to-the-premises connections (which are already available at some exchanges). These should become widely available across the country over the next few years.

Comparing mobile broadband in Cardiff

Cardiff is also well served by mobile broadband from all networks. 3G, 4G and 5G is available from EE, O2, Three, and Vodafone.

In common with the rest of the UK, you'll find that the best reception is in central Cardiff and busier suburban locations. Once you venture out into the countryside, the connection will become less reliable, particularly when it comes to 4G and 5G.

Before buying any mobile phone or mobile broadband package, it's important to gauge coverage for yourself in the areas where you'll be using the service; click the logos below to access the network operator's own signal checking tools.

Where we get our information

We strive to keep our local broadband information as up-to-date as possible. This means using trustworthy sources with regular checks. The information on this page comes from the following:

Meet the author:

Contributor

Matt has been working with Broadband Genie since 2009. A lifelong tech enthusiast, he has 20 years of experience writing about technology for print and online.


Specialist subject: The technicalities of broadband

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