Fixed Sep 23 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 September 2023
Contract length
12 months
Electricity code
EX5
Gas code
GX5

Tariff overview

Fixed Sep 23 v4 was a 12 fixed tariff released on 16 December 2025, with an expected end date around 30 September 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 This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving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 bill

Contract snapshot

Contract length
12 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: 18.87p to 32.21p

Direct debit unit rate: 64.29p to 66.67p

Cash standing charge: 23.73p to 38.07p

Cash unit rate: 65.67p to 68.17p

Gas

Regions listed: 14

Direct debit standing charge: 23.31p

Direct debit unit rate: 19.04p to 19.31p

Cash standing charge: 27.90p

Cash unit rate: 19.40p to 19.70p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 20.26p to 33.59p

Direct debit day rate: 75.55p to 78.14p

Direct debit night rate: 35.28p to 36.49p

Cash day rate: 76.85p to 79.53p

Cash night rate: 36.57p to 37.89p

Terms

Terms content has not been added yet.

Related tariffs

Direct debit supported Cash supported

Fixed Tariff v95

Ends 31 October 2026

View tariff page
Direct debit supported Cash supported

Fixed Tariff Oct26 v1

Ends 31 October 2026

View tariff page
Direct debit supported Cash supported

Fixed Tariff Oct26 v2

Ends 31 October 2026

View tariff page
Direct debit supported Cash supported

Fixed Tariff Oct26 v3

Ends 31 October 2026

View tariff page

Save with your current British Gas tariff in just 60 seconds

Enter your postcode to get started

We'll check your suppliers best deals

Don't just take our word for it

Join households across the UK who asked ismybillfair