Fixed Tariff 18M v4

Tariff details for British Gas, including contract notes, price ranges and the supporting metadata we currently hold.

Direct debit supported Cash supported
End date
30 June 2026
Contract length
18 months
Electricity code
XMR
Gas code
YMR

Tariff overview

Fixed Tariff 18M v4 was a 18 fixed tariff released on 16 December 2025, with an expected end date around 30 June 2026. This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving elsewhere.

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Contract snapshot

Contract length
18 months
Exit fee
£50
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: 34.60p to 63.95p

Direct debit unit rate: 22.82p to 25.31p

Cash standing charge: 39.23p to 70.60p

Cash unit rate: 24.05p to 26.68p

Gas

Regions listed: 14

Direct debit standing charge: 26.60p to 30.49p

Direct debit unit rate: 6.09p to 6.51p

Cash standing charge: 30.91p to 34.89p

Cash unit rate: 6.41p to 6.86p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 32.00p to 61.10p

Direct debit day rate: 28.24p to 31.78p

Direct debit night rate: 13.05p to 13.94p

Cash day rate: 29.55p to 33.29p

Cash night rate: 14.05p to 14.93p

Terms

Terms content has not been added yet.

Related tariffs

Direct debit supported Cash supported

Electric Driver v17

Ends 31 July 2026

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