Broadband Deals Sunbury-on-Thames

This page covers 979 live residential postcodes in and around Sunbury-on-Thames, mainly in the postcode districts TW15 (part), TW16 and TW17 (part). The postcodes it covers fall in 10 postcode sectors: KT12 2, TW12 2, TW15 1, TW15 2, TW16 5, TW16 6, TW16 7, TW17 0, TW17 8 and TW17 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 979 live residential postcodes this page covers, the largest share is in the Spelthorne council area, in the county of Surrey. Source: ONS Postcode Directory, May 2025.

Ofcom publishes full-fibre figures by council area rather than by town. In the Spelthorne council area, which includes Sunbury-on-Thames, 80.5% of premises (37,510 of 46,582) could get full fibre, compared with 71.9% across Surrey and 81% across the UK. In Sunbury-on-Thames itself, 94.1% 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.

17,767 premises in Sunbury-on-Thames (94.1% of 18,874) could get gigabit-capable broadband, with download speeds of 1 Gbit/s or more; the figure is 84.5% across Surrey and 87.8% across the UK. Source: Ofcom Connected Nations, January 2026.