Can I get full fibre in Treffynnon?

Most homes in Treffynnon can get gigabit-capable broadband (93%), which in practice means full fibre or Virgin Media's cable network. Across Flintshire as a whole, 92% of homes can get full fibre. Coverage changes street by street, so check your own postcode.

What is the fastest broadband in Treffynnon?

Gigabit speeds of 1,000Mbps or more are available to 93% of homes. Some providers sell faster packages again, up to several gigabits, on their own networks.

Which broadband providers cover Treffynnon?

Providers that use the Openreach network, including BT, EE, Sky, Plusnet, Vodafone, TalkTalk and NOW, can sell to most addresses. Where Openreach has built full fibre they sell that too. Virgin Media and independent full fibre networks only cover the streets they have built.

Are there homes in Treffynnon that can't get decent broadband?

No. Every postcode in Treffynnon has decent broadband (at least 10Mbps download) available from a fixed line or wireless network.

Broadband in Treffynnon (Holywell)

93% of homes in Treffynnon can get gigabit broadband, about the same as the Flintshire average of 92% and 8 points above the Wales figure of 85%. Every home can get superfast speeds.

Most homes in Treffynnon can get gigabit broadband.

Gigabit
1,000Mbps or faster
93%
Ultrafast
300Mbps or faster
93%
Fast
100Mbps or faster
93%
Superfast
30Mbps or faster
100%
No decent service
Under 10Mbps from fixed lines or wireless
0%

Average share of homes able to get each speed across 245 postcodes in Treffynnon (CH8). Source: Ofcom Connected Nations, January 2026.

Street by street

86%

of Treffynnon's postcodes have gigabit broadband for every home

of postcodes have no gigabit broadband at all yet

of postcodes include homes that can't get decent broadband

Treffynnon ranks 7th of 8 towns in Flintshire for gigabit coverage. See all towns in Flintshire.

How Treffynnon compares

Area	Gigabit	300Mbps+	Superfast
Treffynnon	93%	93%	100%
Flintshire	92%	93%	98%
Wales	85%	85%	97%
United Kingdom	89%	89%	98%

Nearby towns

Y Fflint95% gigabit
Caerwys94% gigabit
Heswall91% gigabit
Neston94% gigabit
West Kirby95% gigabit
Connah's Quay94% gigabit

Choosing a provider in Treffynnon

Most addresses in Treffynnon can order from providers on the Openreach network. If Openreach has built full fibre to your street, all of them can sell it to you, so the choice comes down to price, the yearly price rise and customer service.

Virgin Media and independent full fibre networks only cover the streets they have built. If one of them covers you, it can be worth comparing, as they often sell faster speeds for similar money.

BTRises £4.00 a month each year
EERises £4.00 a month each year
SkyYearly rise not fixed at sale
TalkTalkRises £4.00 a month each year
VodafoneRises £3.50 a month each year
PlusnetRises £4.00 a month each year
NOW BroadbandYearly rise not fixed at sale
Zen InternetNo mid-contract rises

Questions

Can I get full fibre in Treffynnon?: Most homes in Treffynnon can get gigabit-capable broadband (93%), which in practice means full fibre or Virgin Media's cable network. Across Flintshire as a whole, 92% of homes can get full fibre. Coverage changes street by street, so check your own postcode.
What is the fastest broadband in Treffynnon?: Gigabit speeds of 1,000Mbps or more are available to 93% of homes. Some providers sell faster packages again, up to several gigabits, on their own networks.
Which broadband providers cover Treffynnon?: Providers that use the Openreach network, including BT, EE, Sky, Plusnet, Vodafone, TalkTalk and NOW, can sell to most addresses. Where Openreach has built full fibre they sell that too. Virgin Media and independent full fibre networks only cover the streets they have built.
Are there homes in Treffynnon that can't get decent broadband?: No. Every postcode in Treffynnon has decent broadband (at least 10Mbps download) available from a fixed line or wireless network.

Figures are averages of the share of homes able to get each speed in every postcode Ofcom lists for Treffynnon, from Ofcom Connected Nations (January 2026). Postcodes are matched to towns using Ordnance Survey OS Open Names. Contains OS data © Crown copyright and database right. How we calculate this.