Direct debit supported Cash supported
Exclusive Fixed Energy v51
Ends 31 May 2026
View tariff pageFixed Aug25 v1
Tariff details for British Gas, including contract notes, price ranges and the supporting metadata we currently hold.
Official ismybillfair partner
Direct debit supported Cash supported
End date
31 August 2025
Contract length
12 months
Electricity code
E5O
Gas code
G5O
Tariff overview
Fixed Aug25 v1 was a 12 fixed tariff released on 16 December 2025, with an expected end date around 31 August 2025. This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving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 billContract snapshot
- Contract length
- 12 months
- Exit fee
- £50
- Smart meter
- Not required or not listed
- Cash payments
- Supported
Price ranges by region
These summaries show the range of rates we currently hold across regions, rather than one national figure.
Electricity
Regions listed: 14
Direct debit standing charge: 40.45p to 70.86p
Direct debit unit rate: 21.22p to 23.53p
Cash standing charge: 44.70p to 77.20p
Cash unit rate: 22.33p to 24.76p
Gas
Regions listed: 14
Direct debit standing charge: 30.43p to 31.69p
Direct debit unit rate: 5.34p to 5.76p
Cash standing charge: 34.85p to 34.87p
Cash unit rate: 5.62p to 6.07p
Multi-rate electricity
Regions listed: 14
Direct debit standing charge: 40.37p to 70.57p
Direct debit day rate: 25.88p to 29.17p
Direct debit night rate: 11.74p to 12.63p
Cash day rate: 27.05p to 30.52p
Cash night rate: 12.63p to 13.51p
Terms
Terms content has not been added yet.
Related tariffs
Direct debit supported Cash supported
Exclusive Fixed Energy v52
Ends 31 May 2026
View tariff page Direct debit supported Cash supported
Exclusive Fixed Energy v53
Ends 31 May 2026
View tariff page Direct debit supported Cash supported
Exclusive Fixed Energy v59
Ends 31 May 2026
View tariff pageSave with your current British Gas tariff in just 60 seconds
Enter your postcode to get started
We'll check your suppliers best deals
Don't just take our word for it
Join households across the UK who asked ismybillfair