The Longer Fix v21

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

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Direct debit supported Cash supported
End date
28 February 2027
Contract length
24 months
Electricity code
XLT
Gas code
YLT

Tariff overview

The Longer Fix v21 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: 41.50p to 72.02p

Direct debit unit rate: 23.50p to 26.05p

Cash standing charge: 46.13p to 78.67p

Cash unit rate: 24.74p to 27.42p

Gas

Regions listed: 14

Direct debit standing charge: 31.23p to 31.92p

Direct debit unit rate: 6.19p to 6.62p

Cash standing charge: 36.22p to 36.25p

Cash unit rate: 6.52p to 6.97p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 41.37p to 71.65p

Direct debit day rate: 29.25p to 32.90p

Direct debit night rate: 13.32p to 14.21p

Cash day rate: 30.57p to 34.41p

Cash night rate: 14.32p to 15.21p

Terms

Terms content has not been added yet.

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