15 providers offer 138 broadband deals in Dyffryn Ardudwy, from £20.00 a month and up to 1,600 Mbps. Typical measured speed is 75 Mbps down and 20 Mbps up, 26% below the UK download average.
Best value broadband deal in Dyffryn Ardudwy, Gwynedd (LL43)
The best value in Dyffryn Ardudwy, Gwynedd (LL43) 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 Dyffryn Ardudwy, Gwynedd (LL43)
£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 Dyffryn Ardudwy, Gwynedd (LL43)
The fastest deal available in Dyffryn Ardudwy, Gwynedd (LL43) is Full Fibre 1.6GB Premium from EE at 1,600 Mbps.
Fastest in Dyffryn Ardudwy, Gwynedd (LL43)
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 Dyffryn Ardudwy, Gwynedd (LL43)
The cheapest deal in Dyffryn Ardudwy, Gwynedd (LL43) 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. POP Telecom is essentially level at £21.75 a month.
Cheapest in Dyffryn Ardudwy, Gwynedd (LL43)
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
£21/mo
rises to £24 in April 2027 (+£3)
Avg £23.25/mo over contract · £558 total over 24 months
Compare broadband deals in Dyffryn Ardudwy, Gwynedd (LL43)
£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
£21.45/mo
rises to £24.20 in April 2027 (+£2.75)
Avg £23.51/mo over contract · £564 total over 24 months
Broadband providers in Dyffryn Ardudwy, Gwynedd (LL43)
15 providers serve Dyffryn Ardudwy, Gwynedd (LL43), 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 Dyffryn Ardudwy, Gwynedd (LL43) download speed at 75 Mbps.
Upgrade nudge
Room to upgrade in Dyffryn Ardudwy, Gwynedd (LL43)
Only 8% are on 300Mbps or faster, even though 74% 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 Dyffryn Ardudwy, Gwynedd (LL43) line runs 75 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 74% of Dyffryn Ardudwy, Gwynedd (LL43), and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Dyffryn Ardudwy, Gwynedd (LL43)?
The wholesale networks carrying Dyffryn Ardudwy, Gwynedd (LL43) broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Beyond Openreach, here are the alternative networks live in Dyffryn Ardudwy, Gwynedd (LL43). Worth a look because, in the streets they cover, they tend to undercut the major brands.
- CityFibre: Sky, The One Broadband
- 4th Utility: 4th Utility, Rise Fibre
Underpinning the deal mix, Openreach reach the bulk of addresses (Openreach covers every UK premises bar a tiny remote tail).
We are seeing 15 providers selling deals into Dyffryn Ardudwy, Gwynedd (LL43) today.
What broadband coverage does Dyffryn Ardudwy, Gwynedd (LL43) have?
Superfast broadband reaches 74% of Dyffryn Ardudwy, Gwynedd (LL43) premises and gigabit 74%, on Ofcom's premise-level data.
Can I rely on mobile broadband in Dyffryn Ardudwy, Gwynedd (LL43)?
Outdoor 5G reaches 84% of Dyffryn Ardudwy, Gwynedd (LL43), but 2% of homes get no indoor 4G from any network, so a mobile backup here wants a window.
How Dyffryn Ardudwy, Gwynedd (LL43) compares within Gwynedd
Across 23 postcode districts in Gwynedd, by premises count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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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 Dyffryn Ardudwy, Gwynedd (LL43)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.