BT · United Kingdom · full fibre
BT Full Fibre 300: £32.66/mo
Averaged over 24 months with the rises BT publishes counted; advertised at £27.99. Ranked 32 of 67 plans of 300 Mbps or more on that figure; the cheapest is Hyperoptic 500Mb at £18.38.
In one line: BT Full Fibre 300 costs £32.66 a month averaged over its 24-month contract: advertised at £27.99, then £31.99 from 31 March 2027, then £35.99 from 31 March 2028, up to 300/49 Mbps (plan speed), as read from BT's own page on 2026-11-14. It ranks 32 of 67 plans of 300 Mbps or more on that average.
£27.99/mo
advertised, VAT included, confirmed 14 Nov 2026
£32.66
a month averaged over 24 months, rises counted
£31.99 · £35.99
£31.99 from 31 March 2027, then £35.99 from 31 March 2028
300/49
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"; 150 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 500£33.66/mo over 24
- Full Fibre 900£34.66/mo over 24
Every BT plan · All UK broadband · Is your current bill too high?