The Longer Fix v29

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
31 March 2027
Contract length
24 months
Electricity code
XIH
Gas code
YIH

Tariff overview

The Longer Fix v29 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: 40.74p to 71.27p

Direct debit unit rate: 23.51p to 26.06p

Cash standing charge: 45.38p to 77.92p

Cash unit rate: 24.75p to 27.43p

Gas

Regions listed: 14

Direct debit standing charge: 30.47p to 31.17p

Direct debit unit rate: 6.19p to 6.62p

Cash standing charge: 35.47p to 35.49p

Cash unit rate: 6.52p to 6.97p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 40.62p to 70.89p

Direct debit day rate: 29.27p to 32.91p

Direct debit night rate: 13.32p to 14.21p

Cash day rate: 30.58p to 34.43p

Cash night rate: 14.32p to 15.21p

Terms

Terms content has not been added yet.

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