Can I get full fibre in Ystradgynlais?

About one in four homes in Ystradgynlais can get gigabit-capable broadband (32%), which in practice means full fibre or Virgin Media's cable network. Across Powys as a whole, 63% of homes can get full fibre. Coverage changes street by street, so check your own postcode.

What is the fastest broadband in Ystradgynlais?

Gigabit speeds of 1,000Mbps or more are available to 32% of homes. Some providers sell faster packages again, up to several gigabits, on their own networks.

Which broadband providers cover Ystradgynlais?

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 Ystradgynlais that can't get decent broadband?

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

Broadband in Ystradgynlais

32% of homes in Ystradgynlais can get gigabit broadband, 31 points below the Powys average of 63% and 53 points below the Wales figure of 85%. 97% can get superfast speeds of 30Mbps or more.

Gigabit broadband is still patchy in Ystradgynlais.

Gigabit
1,000Mbps or faster
32%
Ultrafast
300Mbps or faster
32%
Fast
100Mbps or faster
32%
Superfast
30Mbps or faster
97%
No decent service
Under 10Mbps from fixed lines or wireless
0%

Average share of homes able to get each speed across 127 postcodes in Ystradgynlais (SA9). Source: Ofcom Connected Nations, January 2026.

Street by street

25%

of Ystradgynlais's postcodes have gigabit broadband for every home

65%

of postcodes have no gigabit broadband at all yet

of postcodes include homes that can't get decent broadband

Ystradgynlais ranks 13th of 17 towns in Powys for gigabit coverage. See all towns in Powys.

How Ystradgynlais compares

Area	Gigabit	300Mbps+	Superfast
Ystradgynlais	32%	32%	97%
Powys	63%	63%	88%
Wales	85%	85%	97%
United Kingdom	89%	89%	98%

Nearby towns

Ystalyfera84% gigabit
Pontardawe90% gigabit
Glyn-neath1% gigabit
Neath94% gigabit
Ammanford81% gigabit
Baglan98% gigabit

Choosing a provider in Ystradgynlais

Most addresses in Ystradgynlais 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 Ystradgynlais?: About one in four homes in Ystradgynlais can get gigabit-capable broadband (32%), which in practice means full fibre or Virgin Media's cable network. Across Powys as a whole, 63% of homes can get full fibre. Coverage changes street by street, so check your own postcode.
What is the fastest broadband in Ystradgynlais?: Gigabit speeds of 1,000Mbps or more are available to 32% of homes. Some providers sell faster packages again, up to several gigabits, on their own networks.
Which broadband providers cover Ystradgynlais?: 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 Ystradgynlais that can't get decent broadband?: No. Every postcode in Ystradgynlais 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 Ystradgynlais, 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.