Simplicity Promise

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
27 February 2020
Contract length
Not listed months
Electricity code
Not listed
Gas code
Not listed

Tariff overview

Simplicity Promise was a fixed tariff released on 16 December 2025, with an expected end date around 27 February 2020. This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving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
Not listed months
Exit fee
£Not listed
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: 21.89p to 26.62p

Direct debit unit rate: 16.54p to 18.54p

Cash standing charge: 26.22p to 31.25p

Cash unit rate: 17.42p to 19.53p

Gas

Regions listed: 14

Direct debit standing charge: 26.07p

Direct debit unit rate: 2.87p to 3.13p

Cash standing charge: 30.65p

Cash unit rate: 3.03p to 3.29p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 21.97p to 26.70p

Direct debit day rate: 20.00p to 22.37p

Direct debit night rate: 8.19p to 9.74p

Cash day rate: 21.08p to 23.58p

Cash night rate: 8.60p to 10.23p

Terms

Terms content has not been added yet.

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