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12 month contract

12 Month Broadband Deals

The cheapest 12 month fixed-line broadband deal on 29 October 2026 is Onestream Fibre 40 at £23.56 a month over two years. The deals listed run from 40 Mbps to 2.3 Gbps.

Broadband with a 12 month minimum term, so you're free to switch again after a year.

Featured 12 month broadband deals

12 month broadband deals at a glance

ProviderPackageSpeedPriceContract
FastestZzoomm2300 Full Fibre 12m2300 Mbps£39/momay rise during contract12 months
CheapestOnestreamOnestream Fibre 4040 Mbps£21.50/morises to £24.25 in April 2027 (+£2.75)12 months
Best valueZzoomm200 Full Fibre 12m200 Mbps£24/momay rise during contract12 months
FeaturedTruespeedTruespeed 150 - 12 months150 Mbps£25/mofixed for 12 months12 months

Picked from the 61 deals below. Enter your postcode to see deals available at your address.

All 12 month broadband deals

Zzoomm has the lowest first-year cost.

Zzoomm logo

200 Full Fibre 12m

200Mbps download
Full fibre12-month contractClaim up to £100 switching credit£0 upfront

£24/mo

may rise during contract

Full details
Onestream logo

Onestream Fibre 40

40Mbps download
Part fibre12-month contract+£14.95 upfront

£21.50/mo

rises to £24.25 in April 2027 (+£2.75)

Full details
toob logo

Home 150

150Mbps download
Full fibre12-month contract£0 upfront

£25/mo

rises to £27 in April 2027 (+£2)

Full details
Zzoomm logo

500 Full Fibre 12m

500Mbps download
Full fibre12-month contractClaim up to £125 switching credit£0 upfront

£27/mo

may rise during contract

Full details
Onestream logo

Full Fibre 80

80Mbps download
Full fibre12-month contract+£14.95 upfront

£24.50/mo

rises to £27.25 in April 2027 (+£2.75)

Full details
Onestream logo

Onestream Fibre 80

80Mbps download
Part fibre12-month contract+£14.95 upfront

£24.50/mo

rises to £27.25 in April 2027 (+£2.75)

Full details

12 month broadband deals today

This page lists 61 deals right now, from 10 providers. The most come from Rise Fibre (11), Truespeed (8) and 4th Utility (6).

The middle advertised price is £31 a month. Once any intro offer ends and the rises written into the contracts kick in, the middle deal works out at £33.17 a month over two years, £2.17 a month more than the advertised price.

Of the 61, 37 have a price rise written into the contract, 14 are fixed price, with the provider's own promise of no rises and 10 have no rise published but no promise either, so they could still rise.

Cheapest over two years right now: Onestream Fibre 40 (40 Mbps), £21.50 a month, which rises to £24.25 in April 2027. That works out at £23.56 a month across two years.

From the deals listed above, updated every day. “Over two years” counts any intro offer ending and the rises written into each contract.

Why a 12 month contract

A 12 month minimum term means you can switch again after a year without an exit fee, which is a good moment to check the price again.

On price, the middle 12 month deal here works out at £33.17 a month over two years if you stay on, against £29.75 for the middle 24 month deal we track.