14 providers offer 143 broadband deals in Builth Wells, from £20 a month (£40 after 12 months) and up to 1,600 Mbps. Typical measured speed is 59 Mbps down and 14 Mbps up, 42% below the UK download average. Full fibre is available to 94.9% of homes.
Deals for Builth Wells, checked and refreshed daily.
Best value broadband deal in Builth Wells
The best value in Builth Wells on full first-year cost is 4th Utility's 900Mb Full Fibre (24 Months): £264 across year one, about £22 a month. At 900 Mbps it copes with anything a household runs at once.
Best value in Builth Wells
£22/mo
for 12 months, then £44/mo
Cheapest broadband deal in Builth Wells
The cheapest deal in Builth Wells 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.
Cheapest in Builth Wells
£20/mo
for 12 months, then £40/mo
Fastest broadband deal in Builth Wells
The fastest deal available in Builth Wells is Full Fibre 1.6GB from EE at 1,600 Mbps. Zen Internet matches it at the same top speed.
Fastest in Builth Wells
£33.99/mo
rises to £37.99 in March 2027 (+£4)
Runner-up on speed
£45/mo
No rises, no surprises.
Compare broadband deals in Builth Wells
£22.99/mo
rises to £26.99 in March 2027 (+£4)
£23/mo
No rises, no surprises.
£23.99/mo
rises to £27.99 in March 2027 (+£4)
£25/mo
rises to £29 in April 2027 (+£4)
Broadband providers in Builth Wells
14 providers serve Builth Wells including Sky, BT and Vodafone, 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 download speed at 59 Mbps.
Upgrade nudge
Room to upgrade in Builth Wells
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 line runs 59 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 95% of Builth Wells, and the fastest available is 550 Mbps. The full split by band is below.
What broadband coverage does Builth Wells have?
Superfast broadband reaches 99% of Builth Wells premises and gigabit 95%, on Ofcom's premise-level data.
Can I rely on mobile broadband in Builth Wells?
Outdoor 5G reaches 69% of Builth Wells, but 3% of homes get no indoor 4G from any network, so a mobile backup here wants a window.
The two 5G figures differ. “5G availability” is everyday 5G running on the existing 4G core, which is what most phones show. “Next-gen 5G” is standalone 5G: a full 5G network with lower lag, still reaching fewer places.
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Speed and coverage figures for Builth Wellscome 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.