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
XLW
Gas code
YLW
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 This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving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: 34.72p to 65.24p
Direct debit unit rate: 23.51p to 26.06p
Cash standing charge: 39.35p to 71.89p
Cash unit rate: 24.75p to 27.43p
Gas
Regions listed: 14
Direct debit standing charge: 24.45p to 25.14p
Direct debit unit rate: 6.19p to 6.62p
Cash standing charge: 29.44p to 29.47p
Cash unit rate: 6.52p to 6.97p
Multi-rate electricity
Regions listed: 14
Direct debit standing charge: 34.59p to 64.87p
Direct debit day rate: 29.27p to 32.91p
Direct debit night rate: 13.32p to 14.21p
Cash day rate: 30.58p to 34.43p
Cash night rate: 14.32p to 15.21p
Terms
Terms content has not been added yet.
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