20 providers offer 237 broadband deals in Whitchurch and Tongwynlais, from £15.00 a month and up to 2,000 Mbps. Typical measured speed is 134 Mbps down and 25 Mbps up, 33% above the UK download average.
Best value broadband deal in Whitchurch and Tongwynlais, Cardiff (CF14)
The best value in Whitchurch and Tongwynlais, Cardiff (CF14) on full first-year cost is Plusnet's Full Fibre 145: £292 across year one, about £24 a month. A £155 reward card is bundled in. 145 Mbps covers streaming, video calls and working from home.
Best value in Whitchurch and Tongwynlais, Cardiff (CF14)
£22.99/mo
rises to £26.99 in March 2027 (+£4)
Avg £26.32/mo over contract · £632 total over 24 months
Fastest broadband deal in Whitchurch and Tongwynlais, Cardiff (CF14)
The fastest deal available in Whitchurch and Tongwynlais, Cardiff (CF14) is Gig2 Fibre broadband + Netflix from Virgin Media O2 at 2,000 Mbps. Next fastest is Full Fibre 1.6GB Premium from EE at 1,600 Mbps.
Fastest in Whitchurch and Tongwynlais, Cardiff (CF14)
Gig2 Fibre broadband + Netflix
200 Mbps upload · Hybrid Fibre-Coaxial
Best for power users & big households
£51.99/mo
rises to £55.99 in April 2027 (+£4)
Avg £54.99/mo over contract · £1320 total over 24 months
Runner-up on speed
Full Fibre 1.6GB Premium
115 Mbps upload · Full Fibre
Best for power users & big households
£33.99/mo
rises to £37.99 in March 2027 (+£4)
Avg £37.32/mo over contract · £896 total over 24 months
Cheapest broadband deal in Whitchurch and Tongwynlais, Cardiff (CF14)
The cheapest deal in Whitchurch and Tongwynlais, Cardiff (CF14) is Fast 24m from giffgaff at £5.00 a month for 200 Mbps. It's full fibre, so the advertised speed is the speed that reaches the router. The £5.00 is an intro price that rises to £25.00 a month after the intro window, making the real first-year cost £180. Comfortably faster than the UK average.
Cheapest in Whitchurch and Tongwynlais, Cardiff (CF14)
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
Compare broadband deals in Whitchurch and Tongwynlais, Cardiff (CF14)
£5/mo
for 6 months, then £28/mo
Avg £22.25/mo over contract · £534 total over 24 months
Full Fibre 1.6GB Premium
115 Mbps upload · Full Fibre
Best for power users & big households
£33.99/mo
rises to £37.99 in March 2027 (+£4)
Avg £37.32/mo over contract · £896 total over 24 months
Sky Full Fibre Gigafast
100 Mbps upload · Full Fibre
Best for power users & big households
£31/mo
No rises, no surprises.
£749 total over 24 months
Onestream Fibre 55
10 Mbps upload · Hybrid Fibre
Best for small homes, single 4K streamer
£19.94/mo
rises to £22.69 in April 2027 (+£2.75)
Avg £22/mo over contract · £528 total over 24 months
Broadband providers in Whitchurch and Tongwynlais, Cardiff (CF14)
20 providers serve Whitchurch and Tongwynlais, Cardiff (CF14), with Virgin Media O2 the fastest at 2,000 Mbps.
Ranked by Ofcom complaints per 100,000 customers, fewest first. A down arrow is below the industry average, up is above, and a dash means Ofcom publishes no figure for that provider (usually because it is below Ofcom's 1.5% market-share reporting threshold). A small diagonal arrow shows the past-year trend (↘ improving, ↗ getting worse).
Ofcom records the typical Whitchurch and Tongwynlais, Cardiff (CF14) download speed at 134 Mbps.
Upgrade nudge
Room to upgrade in Whitchurch and Tongwynlais, Cardiff (CF14)
Only 20% of the 23,000 connections here are on 300Mbps or faster, even though 94% can get gigabit.
The faster line is already there. For most of these homes it is the contract holding them back, not the infrastructure.
Is your broadband good enough?
The typical Whitchurch and Tongwynlais, Cardiff (CF14) line runs 134 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 94% of Whitchurch and Tongwynlais, Cardiff (CF14), and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Whitchurch and Tongwynlais, Cardiff (CF14)?
The wholesale networks carrying Whitchurch and Tongwynlais, Cardiff (CF14) broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Independently-built fibre networks in Whitchurch and Tongwynlais, Cardiff (CF14), taken from the live deal mix. They don't cover every street, but on streets they reach, they typically beat the Openreach price.
- CityFibre: Sky, The One Broadband, Vodafone
- Hyperoptic
- 4th Utility: 4th Utility, Rise Fibre
Then there's Openreach and Virgin Media O2 (Openreach is on every street, so the interesting variable is the altnets).
Today's live count in Whitchurch and Tongwynlais, Cardiff (CF14): 20 providers on the page.
What broadband coverage does Whitchurch and Tongwynlais, Cardiff (CF14) have?
Superfast broadband reaches 99% of Whitchurch and Tongwynlais, Cardiff (CF14) premises and gigabit 94%, on Ofcom's premise-level data.
Can I rely on mobile broadband in Whitchurch and Tongwynlais, Cardiff (CF14)?
Outdoor 5G reaches 100% of Whitchurch and Tongwynlais, Cardiff (CF14) homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 100% of Whitchurch and Tongwynlais, Cardiff (CF14), enough for a 5G home-broadband hub to stand in for a fixed line.
How Whitchurch and Tongwynlais, Cardiff (CF14) compares within Cardiff
Across 8 postcode districts in Cardiff, by premises count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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* Based on Go.Compare research estimating that 28% of UK broadband users pay for faster broadband speeds than they need (which we interpret as overpaying), equivalent to around 7.5m UK households.
Speed and coverage figures for Whitchurch and Tongwynlais, Cardiff (CF14)come from Ofcom's Connected Nations data, current to January 2026. Deal prices are pulled live from providers. Compiled by the FindBroadband team. See how we rank and source our data.