14 providers offer 139 broadband deals in Dolgellau, from £20 a month (£40 after 12 months) and up to 1,600 Mbps. Typical measured speed is 51 Mbps down and 15 Mbps up, 50% below the UK download average. Full fibre is available to 44.5% of homes.
Deals for Dolgellau, checked and refreshed daily.
Best value broadband deal in Dolgellau
The best value in Dolgellau 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 Dolgellau
£22/mo
for 12 months, then £44/mo
Cheapest broadband deal in Dolgellau
The cheapest deal in Dolgellau 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 Dolgellau
£20/mo
for 12 months, then £40/mo
Fastest broadband deal in Dolgellau
The fastest deal available in Dolgellau is Full Fibre 1.6GB from EE at 1,600 Mbps. Zen Internet matches it at the same top speed.
Fastest in Dolgellau
£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 Dolgellau
£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 Dolgellau
14 providers serve Dolgellau 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 Dolgellau download speed at 51 Mbps.
Upgrade nudge
You could be getting more.
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 Dolgellau line runs 51 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 45% of Dolgellau, and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Dolgellau have?
Superfast broadband reaches 96% of Dolgellau premises but gigabit only 45%, so around 51% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Dolgellau?
Outdoor 5G reaches 84% of Dolgellau, but 2% 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.
More areas in Gwynedd
Nearby areas
Frequently asked questions
Ready to switch
See what's actually live in Dolgellau.
Enter your address and we'll show every deal you can genuinely order on your line, ranked by what you'll pay across the whole contract, not by who pays us.
Speed and coverage figures for Dolgellaucome 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.