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 Tariff v21 was a 12 fixed tariff released on 16 December 2025, with an expected end date around 31 January 2026. This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving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: 40.90p to 70.80p
Direct debit unit rate: 21.93p to 24.46p
Cash standing charge: 45.54p to 77.45p
Cash unit rate: 23.16p to 25.83p
Regions listed: 14
Direct debit standing charge: 28.96p to 37.34p
Direct debit unit rate: 5.97p to 6.49p
Cash standing charge: 33.52p to 41.74p
Cash unit rate: 6.30p to 6.84p
Regions listed: 14
Direct debit standing charge: 38.30p to 67.95p
Direct debit day rate: 26.70p to 30.37p
Direct debit night rate: 13.47p to 14.36p
Cash day rate: 28.02p to 31.82p
Cash night rate: 14.47p to 15.36p
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