The Longer Fix v23

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

Direct debit supported Cash supported

End date

28 February 2027

Contract length

24 months

Electricity code

XKC

Gas code

YKC

Tariff overview

The Longer Fix v23 is a 24 month fixed tariff released on 16 December 2025. It is due to end around 28 February 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: 39.00p to 68.66p

Direct debit unit rate: 20.92p to 25.13p

Cash standing charge: 43.41p to 74.99p

Cash unit rate: 22.11p to 26.42p

Gas

Regions listed: 14

Direct debit standing charge: 29.89p to 33.04p

Direct debit unit rate: 6.10p to 6.56p

Cash standing charge: 34.56p to 37.65p

Cash unit rate: 6.41p to 6.88p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 38.88p to 68.30p

Direct debit day rate: 25.14p to 31.78p

Direct debit night rate: 12.68p to 13.53p

Cash day rate: 26.41p to 33.21p

Cash night rate: 13.64p to 14.48p

Terms

Terms content has not been added yet.

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