21 providers offer 226 broadband deals in Vale of Glamorgan, from £15.00 a month and up to 7,000 Mbps. Typical measured speed is 111 Mbps down and 31 Mbps up, 10% above the UK download average.
Best value broadband deal in Vale of Glamorgan
The best value in Vale of Glamorgan 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 Vale of Glamorgan
£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 Vale of Glamorgan
The fastest deal available in Vale of Glamorgan is You 8000 from YouFibre at 7,000 Mbps. Next fastest is Gig2 Fibre broadband + Netflix from Virgin Media O2 at 2,000 Mbps.
Fastest in Vale of Glamorgan
£99/mo
No rises, no surprises.
£1188 total over 12 months
Runner-up on speed
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
Cheapest broadband deal in Vale of Glamorgan
The cheapest deal in Vale of Glamorgan 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 Vale of Glamorgan
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
Compare broadband deals in Vale of Glamorgan
£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 Vale of Glamorgan
21 providers serve Vale of Glamorgan, with YouFibre the fastest at 7,000 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 Vale of Glamorgan download speed at 111 Mbps.
Upgrade nudge
Room to upgrade in Vale of Glamorgan
Only 17% of the 42,000 connections here are on 300Mbps or faster, even though 87% 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 Vale of Glamorgan line runs 111 Mbps.
Working from home
GreatStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 87% of Vale of Glamorgan, and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Vale of Glamorgan?
The wholesale networks carrying Vale of Glamorgan broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Altnets reaching Vale of Glamorgan: the full-fibre networks that compete with Openreach. Where they reach, they're usually the cheapest gigabit option.
- CityFibre: Sky, The One Broadband, Vodafone
- 4th Utility: 4th Utility, Rise Fibre
Openreach and Virgin Media O2 run alongside the altnets in Vale of Glamorgan (Openreach has a nationwide footprint, so it'll be available).
Across the area, 21 providers are listing live deals.
What broadband coverage does Vale of Glamorgan have?
Superfast broadband reaches 97% of Vale of Glamorgan premises but gigabit only 87%, so around 10% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Vale of Glamorgan?
Outdoor 5G reaches 100% of Vale of Glamorgan homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 100% of Vale of Glamorgan, enough for a 5G home-broadband hub to stand in for a fixed line.
Broadband speeds by Vale of Glamorgan neighbourhood
Measured speeds range from 141 Mbps in Cadoc to 72 Mbps in Llantwit Major, so your street matters more than the Vale of Glamorgan average.
| Neighbourhood | Median | vs area | Upload | Superfast | Gigabit | 5G |
|---|---|---|---|---|---|---|
| Cadoc CF63 | 141 | +30 | 49 | 98% | 96% | 100% |
| Baruc CF62 | 131 | +20 | 37 | 97% | 93% | 100% |
| St Augustine's CF64 | 100 | -12 | 21 | 99% | 88% | 100% |
| Cowbridge CF71 | 88 | -23 | 21 | 94% | 67% | 100% |
| Llantwit Major CF61 | 72 | -39 | 18 | 97% | 92% | 100% |
Measured Ofcom data per Vale of Glamorgan neighbourhood, ranked fastest first. Median and upload are in Mbps; vs area is the median difference from the Vale of Glamorgan average; superfast, gigabit and 5G are the % of premises covered. Swipe the table sideways for more columns.
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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 Vale of Glamorgancome 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.