The Longer Fix v27

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 March 2027
Contract length
24 months
Electricity code
XKZ
Gas code
YKZ

Tariff overview

The Longer Fix v27 is a 24 month fixed tariff released on 16 December 2025. It is due to end around 31 March 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: 41.65p to 63.88p

Direct debit unit rate: 22.87p to 25.03p

Cash standing charge: 46.42p to 69.89p

Cash unit rate: 24.16p to 26.46p

Gas

Regions listed: 14

Direct debit standing charge: 28.58p to 32.53p

Direct debit unit rate: 6.05p to 6.46p

Cash standing charge: 33.43p to 37.09p

Cash unit rate: 6.40p to 6.82p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 41.49p to 63.55p

Direct debit day rate: 27.55p to 30.25p

Direct debit night rate: 13.11p to 14.57p

Cash day rate: 28.93p to 31.79p

Cash night rate: 14.08p to 15.61p

Terms

Terms content has not been added yet.

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