Direct debit supported Cash supported
Exclusive Fixed Energy v51
Ends 31 May 2026
View tariff pagePrice Cap Guarantee Mar26
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 March 2026
Contract length
12 months
Electricity code
E8Z
Gas code
G8Z
Tariff overview
Price Cap Guarantee Mar26 was a 12 fixed tariff released on 16 December 2025, with an expected end date around 31 March 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 This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving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 billContract snapshot
- Contract length
- 12 months
- Exit fee
- £5
- 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: 38.28p to 62.69p
Direct debit unit rate: 25.82p to 28.50p
Cash standing charge: 43.98p to 69.00p
Cash unit rate: 27.18p to 30.00p
Gas
Regions listed: 14
Direct debit standing charge: 25.51p to 26.11p
Direct debit unit rate: 6.85p to 7.22p
Cash standing charge: 30.71p to 30.73p
Cash unit rate: 7.21p to 7.60p
Multi-rate electricity
Regions listed: 14
Direct debit standing charge: 38.46p to 62.35p
Direct debit day rate: 32.05p to 35.56p
Direct debit night rate: 13.77p to 15.29p
Cash day rate: 33.50p to 37.22p
Cash night rate: 14.78p to 16.39p
Terms
Terms content has not been added yet.
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