The Longer Fix v21

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
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: 39.52p to 68.59p

Direct debit unit rate: 22.38p to 24.81p

Cash standing charge: 43.93p to 74.93p

Cash unit rate: 23.56p to 26.11p

Gas

Regions listed: 14

Direct debit standing charge: 29.74p to 30.40p

Direct debit unit rate: 5.90p to 6.31p

Cash standing charge: 34.50p to 34.52p

Cash unit rate: 6.21p to 6.64p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 39.40p to 68.24p

Direct debit day rate: 27.86p to 31.33p

Direct debit night rate: 12.68p to 13.53p

Cash day rate: 29.11p to 32.77p

Cash night rate: 13.64p to 14.48p

Terms

Terms content has not been added yet.

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