Full fibre reaches 56.9% of homes in Builth, though only 3% of connections run at 300 Mbps or faster. Typical measured speed is 54 Mbps down and 14 Mbps up, 47% below the UK download average. 14 providers offer 184 broadband deals, up to 1,600 Mbps.
Deals for Builth (LD2), checked and refreshed daily.
Best value broadband deal in Builth (LD2)
The best value in Builth (LD2) on full first-year cost is 4th Utility's 300Mb Full Fibre (24 Months): £240 across year one, about £20 a month. At 300 Mbps it copes with anything a household runs at once.
Best value in Builth (LD2)
£20/mo
for 12 months, then £40/mo
Cheapest broadband deal in Builth (LD2)
The cheapest deal in Builth (LD2) is Fibre 40 from Onestream at £18.50 a month for 40 Mbps. 4th Utility is essentially level at £20.00 a month. Well below the UK average, which shows on a busy evening.
Cheapest in Builth (LD2)
£18.50/mo
rises to £21.25 in April 2027 (+£2.75)
Runner-up on price
£20/mo
for 12 months, then £40/mo
Fastest broadband deal in Builth (LD2)
The fastest deal available in Builth (LD2) is Full Fibre 1.6GB from EE at 1,600 Mbps. Zen Internet matches it at the same top speed.
Fastest in Builth (LD2)
£38.99/mo
rises to £42.99 in March 2027 (+£4)
Runner-up on speed
£45/mo
No rises, no surprises.
Compare broadband deals in Builth (LD2)
£22.99/mo
rises to £26.99 in March 2027 (+£4)
£27.99/mo
rises to £31.99 in March 2027 (+£4)
£23/mo
No rises, no surprises.
£23/mo
No rises, no surprises.
Broadband providers in Builth (LD2)
14 providers serve Builth (LD2) 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 (LD2) download speed at 54 Mbps.
Upgrade nudge
Room to upgrade in Builth (LD2)
Only 3% of the 1,500 connections here are on 300Mbps or faster, even though 57% 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 (LD2) line runs 54 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 57% of Builth (LD2), and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Builth (LD2) have?
Superfast broadband reaches 71% of Builth (LD2) premises but gigabit only 57%, so around 14% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Builth (LD2)?
Outdoor 5G reaches 69% of Builth (LD2), 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.
How Builth (LD2) compares within Powys
Across 18 postcode districts in Powys, by connection count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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Speed and coverage figures for Builth (LD2)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.