12 providers offer 42 broadband deals in Harlech, from £19.94 a month and up to 80 Mbps. Typical measured speed is 46 Mbps down and 11 Mbps up, 54% below the UK download average. Full fibre is available to 32.2% of homes.
Deals for Harlech, checked and refreshed daily.
Cheapest broadband deal in Harlech
The cheapest deal in Harlech is Onestream Fibre 55 from Onestream at £19.94 a month for 40 Mbps. POP Telecom is essentially level at £22.00 a month. Well below the UK average, which shows on a busy evening.
Cheapest in Harlech
£19.94/mo
rises to £22.69 in April 2027 (+£2.75)
Runner-up on price
£21/mo
rises to £24 in April 2027 (+£3)
Fastest broadband deal in Harlech
The fastest deal available in Harlech is Onestream Fibre 80 from Onestream at 80 Mbps. Below the UK average on download.
Fastest in Harlech
£21.45/mo
rises to £24.20 in April 2027 (+£2.75)
Compare broadband deals in Harlech
£24/mo
No rises, no surprises.
£22.99/mo
rises to £26.99 in March 2027 (+£4)
£21/mo
rises to £24 in April 2027 (+£3)
£24/mo
No rises, no surprises.
Broadband providers in Harlech
12 providers serve Harlech including Sky, BT and Vodafone, with Onestream the fastest at 80 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 Harlech download speed at 46 Mbps.
Upgrade nudge
You could be getting more.
Slow broadband here is usually the contract, not the line. A faster package may already be available at your address for similar money.
Is your broadband good enough?
The typical Harlech line runs 46 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 32% of Harlech, and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Harlech have?
Superfast broadband reaches 88% of Harlech premises but gigabit only 32%, so around 56% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Harlech?
Outdoor 5G reaches 84% of Harlech, 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.
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Speed and coverage figures for Harlechcome 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.