The Longer Fix v40

Tariff details for British Gas, including contract notes, price ranges and the supporting metadata we currently hold.

Direct debit supported Cash supported
End date
31 August 2027
Contract length
24 months
Electricity code
XCJ
Gas code
YCJ

Tariff overview

The Longer Fix v40 is a 24 month fixed tariff released on 16 December 2025. It is due to end around 31 August 2027. This tariff is not currently available for new switches. This type of tariff is usually aimed at customers who want price certainty for a set period, so the main things to review are the tariff end date, any exit fees, and what happens when the fixed term finishes.

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Contract snapshot

Contract length
24 months
Exit fee
£75
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: 40.62p to 64.76p

Direct debit unit rate: 23.60p to 25.94p

Cash standing charge: 48.39p to 72.92p

Cash unit rate: 24.95p to 27.40p

Gas

Regions listed: 14

Direct debit standing charge: 28.39p to 29.07p

Direct debit unit rate: 5.53p to 5.94p

Cash standing charge: 35.90p to 36.27p

Cash unit rate: 5.84p to 6.27p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 40.81p to 64.20p

Direct debit day rate: 29.24p to 31.68p

Direct debit night rate: 12.22p to 13.41p

Cash day rate: 30.67p to 33.29p

Cash night rate: 13.21p to 14.47p

Terms

Terms content has not been added yet.

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