Full fibre reaches 83.7% of homes in Pentyrch, though only 3% of connections run at 300 Mbps or faster. Typical measured speed is 58 Mbps down and 16 Mbps up, 43% below the UK download average. 16 providers offer 204 broadband deals, up to 1,600 Mbps.
Deals for Pentyrch, checked and refreshed daily.
Best value broadband deal in Pentyrch
The best value in Pentyrch 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 Pentyrch
£20/mo
for 12 months, then £40/mo
Cheapest broadband deal in Pentyrch
The cheapest deal in Pentyrch 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 Pentyrch
£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 Pentyrch
The fastest deal available in Pentyrch is Full Fibre 1.6GB from EE at 1,600 Mbps. Zen Internet matches it at the same top speed.
Fastest in Pentyrch
£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 Pentyrch
£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 Pentyrch
16 providers serve Pentyrch including Virgin Media, Sky and BT, 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 Pentyrch download speed at 58 Mbps.
Upgrade nudge
Room to upgrade in Pentyrch
Only 3% are on 300Mbps or faster, even though 84% 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 Pentyrch line runs 58 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 84% of Pentyrch, and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Pentyrch have?
Superfast broadband reaches 96% of Pentyrch premises but gigabit only 84%, so around 12% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Pentyrch?
Outdoor 5G reaches 100% of Pentyrch homes. Here is how mobile holds up if the line drops.
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.
5G & 4G home broadband
Outdoor 5G covers 100% of Pentyrch, enough for a 5G home-broadband hub to stand in for a fixed line.
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Speed and coverage figures for Pentyrchcome 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.