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Broadband in Caergybi (Holyhead)

96% of homes in Caergybi can get gigabit broadband, 27 points above the Isle of Anglesey average of 69% and 11 points above the Wales figure of 85%. 99% can get superfast speeds of 30Mbps or more.

Almost every home in Caergybi can get gigabit broadband.

  • Gigabit
    1,000Mbps or faster
    96%
  • Ultrafast
    300Mbps or faster
    96%
  • Fast
    100Mbps or faster
    96%
  • Superfast
    30Mbps or faster
    99%
  • No decent service
    Under 10Mbps from fixed lines or wireless
    0.1%
Average share of homes able to get each speed across 378 postcodes in Caergybi (LL65). Source: Ofcom Connected Nations, January 2026.

Street by street

91%
of Caergybi's postcodes have gigabit broadband for every home
2%
of postcodes have no gigabit broadband at all yet
0.3%
of postcodes include homes that can't get decent broadband

Caergybi ranks 1st of 5 towns in Isle of Anglesey for gigabit coverage. See all towns in Isle of Anglesey.

How Caergybi compares

AreaGigabit300Mbps+Superfast
Caergybi96%96%99%
Isle of Anglesey69%69%96%
Wales85%85%97%
United Kingdom89%89%98%

Nearby towns

Choosing a provider in Caergybi

Most addresses in Caergybi 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 Caergybi?
Almost all homes in Caergybi can get gigabit-capable broadband (96%), which in practice means full fibre or Virgin Media's cable network. Across Isle of Anglesey as a whole, 69% of homes can get full fibre. Coverage changes street by street, so check your own postcode.
What is the fastest broadband in Caergybi?
Gigabit speeds of 1,000Mbps or more are available to 96% of homes. Some providers sell faster packages again, up to several gigabits, on their own networks.
Which broadband providers cover Caergybi?
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 Caergybi that can't get decent broadband?
Yes. 0.3% of postcodes in Caergybi include at least some homes that can't get a decent 10Mbps service from a fixed line or wireless network. Those homes may qualify for the broadband Universal Service Obligation.

Figures are averages of the share of homes able to get each speed in every postcode Ofcom lists for Caergybi, 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.