17 providers offer 191 broadband deals in Builth Wells, from £20.00 a month and up to 1,600 Mbps. Typical measured speed is 59 Mbps down and 14 Mbps up, 42% below the UK download average.
Best value broadband deal in Builth Wells, Powys
The best value in Builth Wells, Powys 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 Builth Wells, Powys
£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 Builth Wells, Powys
The fastest deal available in Builth Wells, Powys is Full Fibre 1.6GB Premium from EE at 1,600 Mbps.
Fastest in Builth Wells, Powys
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 Builth Wells, Powys
The cheapest deal in Builth Wells, Powys is 300Mb Full Fibre (24 Months) from 4th Utility at £20.00 a month for 300 Mbps. It's full fibre, so the advertised speed is the speed that reaches the router. The £20.00 is an intro price that rises to £40.00 a month after the intro window, making the real first-year cost £240. Onestream is essentially level at £20.63 a month.
Cheapest in Builth Wells, Powys
300Mb Full Fibre (24 Months)
300 Mbps upload · Full Fibre
Best for 4–5 person households, heavy use
£20/mo
for 12 months, then £40/mo
Avg £30/mo over contract · £720 total over 24 months
Runner-up on price
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
Compare broadband deals in Builth Wells, Powys
£21/mo
rises to £24 in April 2027 (+£3)
Avg £23.25/mo over contract · £558 total over 24 months
£30/mo
rises to £33.50 in April 2027 (+£3.50)
Avg £32.63/mo over contract · £783 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 Builth Wells, Powys
17 providers serve Builth Wells, Powys, with EE the fastest at 1,600 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 Builth Wells, Powys download speed at 59 Mbps.
Upgrade nudge
Room to upgrade in Builth Wells, Powys
Only 0% are on 300Mbps or faster, even though 95% 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 Builth Wells, Powys line runs 59 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 95% of Builth Wells, Powys, and the fastest available is 550 Mbps. The full split by band is below.
Which broadband networks reach Builth Wells, Powys?
The wholesale networks carrying Builth Wells, Powys broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Independent altnets reaching Builth Wells, Powys, listed below. The companies that build their own fibre rather than reselling someone else's, which is often the cheapest gigabit on the street.
- CityFibre: Sky, The One Broadband, Vodafone
- 4th Utility: 4th Utility, Rise Fibre
- Airband
And the major networks: Openreach both reach this area (Openreach is built out to roughly every house in the country).
Real provider count in Builth Wells, Powys: 17 actively selling into addresses.
What broadband coverage does Builth Wells, Powys have?
Superfast broadband reaches 99% of Builth Wells, Powys premises and gigabit 95%, on Ofcom's premise-level data.
Can I rely on mobile broadband in Builth Wells, Powys?
Outdoor 5G reaches 69% of Builth Wells, Powys, but 3% of homes get no indoor 4G from any network, so a mobile backup here wants a window.
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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 Builth Wells, Powyscome 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.