Price Promise May25

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 May 2025
Contract length
18 months
Electricity code
E9I
Gas code
G9I

Tariff overview

Price Promise May25 was a 18 fixed tariff released on 16 December 2025, with an expected end date around 31 May 2025. This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving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
£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: 41.25p to 71.66p

Direct debit unit rate: 23.82p to 26.13p

Cash standing charge: 45.51p to 78.00p

Cash unit rate: 25.07p to 27.50p

Gas

Regions listed: 14

Direct debit standing charge: 31.16p to 32.43p

Direct debit unit rate: 5.85p to 6.28p

Cash standing charge: 35.57p to 35.59p

Cash unit rate: 6.16p to 6.61p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 41.22p to 71.40p

Direct debit day rate: 26.77p to 29.58p

Direct debit night rate: 17.00p to 18.50p

Cash day rate: 27.95p to 30.87p

Cash night rate: 18.22p to 19.76p

Terms

Terms content has not been added yet.

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