The Longer Fix v13

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 October 2026
Contract length
24 months
Electricity code
XNT
Gas code
YNT

Tariff overview

The Longer Fix v13 is a 24 month fixed tariff released on 16 December 2025. It is due to end around 31 October 2026. 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
£100
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: 38.83p to 67.89p

Direct debit unit rate: 20.58p to 22.96p

Cash standing charge: 43.22p to 74.22p

Cash unit rate: 21.74p to 24.25p

Gas

Regions listed: 14

Direct debit standing charge: 24.53p to 29.69p

Direct debit unit rate: 5.55p to 5.96p

Cash standing charge: 28.72p to 33.81p

Cash unit rate: 5.86p to 6.29p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 38.22p to 67.05p

Direct debit day rate: 24.78p to 28.18p

Direct debit night rate: 12.43p to 13.27p

Cash day rate: 26.01p to 29.60p

Cash night rate: 13.36p to 14.21p

Terms

Terms content has not been added yet.

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