BT · United Kingdom · full fibre
BT Full Fibre 900: £34.66/mo
Averaged over 24 months with the rises BT publishes counted; advertised at £29.99. Ranked 16 of 42 plans of 900 Mbps or more on that figure; the cheapest is Hyperoptic 1Gb at £19.50.
In one line: BT Full Fibre 900 costs £34.66 a month averaged over its 24-month contract: advertised at £29.99, then £33.99 from 31 March 2027, then £37.99 from 31 March 2028, up to 900/110 Mbps (plan speed), as read from BT's own page on 2026-11-14. It ranks 16 of 42 plans of 900 Mbps or more on that average.
£29.99/mo
advertised, VAT included, confirmed 14 Nov 2026
£34.66
a month averaged over 24 months, rises counted
£33.99 · £37.99
£33.99 from 31 March 2027, then £37.99 from 31 March 2028
900/110
Mbps plan speed · 24-month contract
What the provider's page says
Read from BT's own page on 2026-11-14; quoted, not paraphrased.
- On price rises: their page read on 2026-11-14: "Ultrafast Full Fibre 150 for £26.99 a month. £30.99 in March 2027. £34.99 in March 2028. 24 month contract"; each plan lists "From 31 March 2027" and "From 31 March 2028" prices.
- Offer: an offer price, no end date stated; their page: "GET FULL FIBRE FROM £26.99 THIS BLACK FRIDAY"; it states no end date.
- To start: nothing to pay upfront.
- Also on the page: "Free activation"; 700 Mbps speed guarantee.
- BT also sells a social tariff, Home Essentials, at £16.50 a month from for households on named benefits (every social tariff).
- The page this price was read from · Ofcom: inflation-linked mid-contract price rises banned
Other BT plans
Each on its own page, ranked on the contract average.
- Full Fibre 150£31.66/mo over 24
- Fibre Essential£31.66/mo over 24
- Fibre 1£31.66/mo over 24
- Fibre 2£31.66/mo over 24
- Full Fibre 300£32.66/mo over 24
- Full Fibre 500£33.66/mo over 24
Every BT plan · All UK broadband · Is your current bill too high?