17 providers offer 190 broadband deals in Mostyn, from £20.00 a month and up to 1,600 Mbps. Typical measured speed is 95 Mbps down and 27 Mbps up, 6% below the UK download average.
Best value broadband deal in Mostyn, Flintshire
The best value in Mostyn, Flintshire 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 Mostyn, Flintshire
£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 Mostyn, Flintshire
The fastest deal available in Mostyn, Flintshire is Full Fibre 1.6GB Premium from EE at 1,600 Mbps.
Fastest in Mostyn, Flintshire
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 Mostyn, Flintshire
The cheapest deal in Mostyn, Flintshire 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. Onestream is essentially level at £20.63 a month.
Cheapest in Mostyn, Flintshire
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
Onestream Fibre 55
10 Mbps upload · Hybrid Fibre
Best for small homes, single 4K streamer
£19.94/mo
rises to £22.69 in April 2027 (+£2.75)
Avg £22/mo over contract · £528 total over 24 months
Compare broadband deals in Mostyn, Flintshire
£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
Onestream Fibre 55
10 Mbps upload · Hybrid Fibre
Best for small homes, single 4K streamer
£19.94/mo
rises to £22.69 in April 2027 (+£2.75)
Avg £22/mo over contract · £528 total over 24 months
Broadband providers in Mostyn, Flintshire
17 providers serve Mostyn, Flintshire, 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 Mostyn, Flintshire download speed at 95 Mbps.
Upgrade nudge
Room to upgrade in Mostyn, Flintshire
Only 12% are on 300Mbps or faster, even though 100% 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 Mostyn, Flintshire line runs 95 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 100% of Mostyn, Flintshire, and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Mostyn, Flintshire?
The wholesale networks carrying Mostyn, Flintshire broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Working altnets in Mostyn, Flintshire, listed by what their resellers are actually selling. Each footprint stops and starts a few doors apart, so address-checking matters more than usual.
- CityFibre: Sky, The One Broadband, Vodafone
- 4th Utility: 4th Utility, Rise Fibre
- Airband
And the major networks: Openreach both reach this area (Openreach is built out to roughly every house in the country).
Live count: 17 providers actively serving Mostyn, Flintshire.
What broadband coverage does Mostyn, Flintshire have?
Superfast broadband reaches 100% of Mostyn, Flintshire premises and gigabit 100%, on Ofcom's premise-level data.
Can I rely on mobile broadband in Mostyn, Flintshire?
Outdoor 5G reaches 85% of Mostyn, Flintshire homes. Here is how mobile holds up if the line drops.
More areas in Flintshire
Nearby areas
Frequently asked questions
Ready to switch
See what's actually live in Mostyn, Flintshire.
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.
* 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 Mostyn, Flintshirecome 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.