Exclusive Fixed Energy v51
Ends 31 May 2026
View tariff pageTariff details for British Gas, including contract notes, price ranges and the supporting metadata we currently hold.
Official ismybillfair partner
Fixed Sep 23 v4 was a 12 fixed tariff released on 16 December 2025, with an expected end date around 30 September 2023. This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving elsewhere.
Check my billThese summaries show the range of rates we currently hold across regions, rather than one national figure.
Regions listed: 14
Direct debit standing charge: 19.81p to 33.82p
Direct debit unit rate: 67.51p to 70.00p
Cash standing charge: 24.92p to 39.97p
Cash unit rate: 68.95p to 71.58p
Regions listed: 14
Direct debit standing charge: 24.48p
Direct debit unit rate: 19.99p to 20.28p
Cash standing charge: 29.29p
Cash unit rate: 20.37p to 20.68p
Regions listed: 14
Direct debit standing charge: 21.27p to 35.27p
Direct debit day rate: 79.33p to 82.04p
Direct debit night rate: 37.04p to 38.32p
Cash day rate: 80.69p to 83.50p
Cash night rate: 38.40p to 39.79p
Terms content has not been added yet.
Ends 31 May 2026
View tariff pageEnds 31 May 2026
View tariff pageEnds 31 May 2026
View tariff pageEnds 31 May 2026
View tariff pageEnter your postcode to get started
Join households across the UK who asked ismybillfair