The Longer Fix v39

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
XDV
Gas code
YDV

Tariff overview

The Longer Fix v39 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: 38.07p to 62.22p

Direct debit unit rate: 23.77p to 26.49p

Cash standing charge: 45.61p to 70.02p

Cash unit rate: 25.11p to 27.95p

Gas

Regions listed: 14

Direct debit standing charge: 25.85p to 26.52p

Direct debit unit rate: 5.67p to 6.11p

Cash standing charge: 33.56p to 33.57p

Cash unit rate: 5.99p to 6.45p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 38.26p to 61.65p

Direct debit day rate: 30.31p to 32.69p

Direct debit night rate: 12.15p to 13.71p

Cash day rate: 31.73p to 34.27p

Cash night rate: 13.12p to 14.72p

Terms

Terms content has not been added yet.

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