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Broadband in Llandeilo

41% of homes in Llandeilo can get gigabit broadband, 33 points below the Carmarthenshire average of 74% and 44 points below the Wales figure of 85%. 97% can get superfast speeds of 30Mbps or more.

About half of Llandeilo can get gigabit broadband. The rest is still waiting.

  • Gigabit
    1,000Mbps or faster
    41%
  • Ultrafast
    300Mbps or faster
    41%
  • Fast
    100Mbps or faster
    41%
  • 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 79 postcodes in Llandeilo (SA19). Source: Ofcom Connected Nations, January 2026.

Street by street

34%
of Llandeilo's postcodes have gigabit broadband for every home
54%
of postcodes have no gigabit broadband at all yet
0%
of postcodes include homes that can't get decent broadband

Llandeilo ranks 7th of 12 towns in Carmarthenshire for gigabit coverage. See all towns in Carmarthenshire.

How Llandeilo compares

AreaGigabit300Mbps+Superfast
Llandeilo41%41%97%
Carmarthenshire74%74%92%
Wales85%85%97%
United Kingdom89%89%98%

Nearby towns

Choosing a provider in Llandeilo

Most addresses in Llandeilo 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 Llandeilo?
About half of all homes in Llandeilo can get gigabit-capable broadband (41%), which in practice means full fibre or Virgin Media's cable network. Across Carmarthenshire as a whole, 74% of homes can get full fibre. Coverage changes street by street, so check your own postcode.
What is the fastest broadband in Llandeilo?
Gigabit speeds of 1,000Mbps or more are available to 41% of homes. Some providers sell faster packages again, up to several gigabits, on their own networks.
Which broadband providers cover Llandeilo?
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 Llandeilo that can't get decent broadband?
No. Every postcode in Llandeilo 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 Llandeilo, 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.