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 v59 was a 12 fixed tariff released on 16 December 2025, with an expected end date around 30 April 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 This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving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: 39.81p to 64.26p
Direct debit unit rate: 23.00p to 24.96p
Cash standing charge: 44.82p to 70.57p
Cash unit rate: 24.38p to 26.46p
Regions listed: 14
Direct debit standing charge: 25.35p to 28.85p
Direct debit unit rate: 5.84p to 6.35p
Cash standing charge: 30.45p to 33.67p
Cash unit rate: 6.20p to 6.72p
Regions listed: 14
Direct debit standing charge: 39.81p to 64.26p
Direct debit day rate: 29.64p to 33.30p
Direct debit night rate: 13.51p to 15.07p
Cash day rate: 31.11p to 34.85p
Cash night rate: 14.60p to 16.17p
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