Broadband availability
Broadband in Cefni
Results for Cefni, Isle of Anglesey. Enter your postcode below for exact address results.
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Broadband Types Available in Cefni
| Type | Status | Download | Upload |
|---|---|---|---|
| Standard Broadband | Available | 6 Mbps | 1 Mbps |
| Superfast Broadband | Available | 50 Mbps | 20 Mbps |
| Ultrafast / Full Fibre | Available | 844 Mbps | 844 Mbps |
| Mobile Broadband | Available | 50 Mbps | 10 Mbps |
Best option in Cefni
Full fibre (FTTP) is available in Cefni, with typical download speeds of around 844 Mbps. This is the fastest and most reliable type of home broadband connection.
Broadband Providers in Cefni
Customer ratings sourced from Trustpilot. Checked 18 June 2026.
Postcodes in Cefni
Nearby Areas
About Broadband in Cefni
Cefni is in Isle of Anglesey. Full fibre broadband is available here, with typical download speeds of around 844 Mbps, well above the UK average of 69 Mbps. Most major providers cover the area, so there is a reasonable amount of competition on price.
Standard broadband runs over the copper phone network. Speeds depend on your distance from the telephone exchange and typically range from around 5 Mbps to 20 Mbps.
Superfast broadband (FTTC) uses a fibre optic cable to your street cabinet, then copper for the final stretch to your home. Most urban and suburban areas can get speeds of 35 to 80 Mbps.
Full fibre (FTTP) runs fibre optic cable all the way into your home. It is the fastest and most reliable option available, with speeds from 100 Mbps upwards.
What's Happening with Broadband in Cefni?
Cefni sits within Anglesey's wider fibre rollout, which has seen strong progress under Openreach's FTTP build programme. Full fibre (FTTP) is available to over 81% of premises across Wales, covering more than 1.25 million homes and businesses. Cefni benefits from this, with speeds reaching around 844 Mbps on a full fibre connection. That puts the area ahead of the UK national average, where FTTP availability sat at approximately 82% in Spring 2026.
Wales is also outperforming the rest of the UK on take-up. Roughly 50% of eligible Welsh premises have now switched to full fibre, compared to around 38% nationally. That shift reflects growing awareness of the reliability and speed benefits full fibre brings over the older copper network.
No specific rollout announcements for Cefni have been reported by ISPreview or other industry sources at the time of writing. However, the broader Welsh investment picture is positive: Openreach continues to extend its footprint across rural Anglesey, and the Welsh Government's Project Gigabit programme is targeting harder-to-reach communities across the island.
Alternative network providers are expanding in Wales, though coverage in Anglesey remains largely Openreach territory for now. Ogi operates across South and West Wales, and TFW Fibre focuses on Cardiff and the Valleys, so neither currently serves this part of North Wales.
One deadline worth knowing: BT's PSTN copper switch-off is scheduled for January 2027. If your home or business is still on a copper phone line or FTTC broadband, now is the time to plan a move to full fibre before that deadline arrives.
Use the postcode checker above to see which full fibre providers are available at your specific address in Cefni.