Broadband Deals Dolgellau

This page covers 574 live residential postcodes in and around Dolgellau, mainly in the postcode districts LL36 (part), LL40, LL42 (part) and SY20 (part). The postcodes it covers fall in eight postcode sectors: LL36 9, LL38 2, LL39 1, LL40 1, LL40 2, LL41 4, LL42 1 and SY20 9. A district marked “part” lies only partly in this area. Enter your full postcode in the comparison on this page to see the deals available at your address. Source: ONS Postcode Directory, May 2025.

Of the 574 live residential postcodes this page covers, the largest share is in the Gwynedd council area. Source: ONS Postcode Directory, May 2025.

Ofcom publishes full-fibre figures by council area rather than by town. In the Gwynedd council area, which includes Dolgellau, 70.7% of premises (48,436 of 68,491) could get full fibre, compared with 81% across the UK. In Dolgellau itself, 41.7% of premises could get gigabit-capable broadband, over full fibre or upgraded cable. Whether your home can get it depends on your address: enter your postcode in the comparison on this page to see the deals available there. Source: Ofcom Connected Nations, January 2026.

1,963 premises in Dolgellau (41.7% of 4,702) could get gigabit-capable broadband, with download speeds of 1 Gbit/s or more; the figure is 70.7% across Gwynedd and 87.8% across the UK. Source: Ofcom Connected Nations, January 2026.