The Longer Fix v29

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
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: 38.80p to 67.87p

Direct debit unit rate: 22.39p to 24.82p

Cash standing charge: 43.21p to 74.21p

Cash unit rate: 23.57p to 26.12p

Gas

Regions listed: 14

Direct debit standing charge: 29.02p to 29.68p

Direct debit unit rate: 5.90p to 6.31p

Cash standing charge: 33.78p to 33.80p

Cash unit rate: 6.21p to 6.64p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 38.69p to 67.52p

Direct debit day rate: 27.87p to 31.35p

Direct debit night rate: 12.68p to 13.53p

Cash day rate: 29.13p to 32.79p

Cash night rate: 13.64p to 14.48p

Terms

Terms content has not been added yet.

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