Direct debit supported Cash supported
Exclusive Fixed Energy v51
Ends 31 May 2026
View tariff pageThe Fixed One v18
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
30 June 2023
Contract length
12 months
Electricity code
The Fixed One v18
Gas code
The Fixed One v18
Tariff overview
The Fixed One v18 was a 12 fixed tariff released on 16 December 2025, with an expected end date around 30 June 2023. This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving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.
Check my billContract snapshot
- Contract length
- 12 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: 40.36p to 59.85p
Direct debit unit rate: 37.09p to 39.63p
Cash standing charge: 45.46p to 66.00p
Cash unit rate: 38.53p to 41.21p
Gas
Regions listed: 14
Direct debit standing charge: 35.44p
Direct debit unit rate: 11.48p to 11.77p
Cash standing charge: 40.25p
Cash unit rate: 11.86p to 12.17p
Multi-rate electricity
Regions listed: 14
Direct debit standing charge: 40.45p to 59.93p
Direct debit day rate: 44.60p to 47.49p
Direct debit night rate: 27.94p to 29.22p
Cash day rate: 45.95p to 48.96p
Cash night rate: 29.30p to 30.69p
Terms
Terms content has not been added yet.
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