Fixed Tariff Sep27 v3

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 2027
Contract length
15 months
Electricity code
X1Y
Gas code
Y1Y

Tariff overview

Fixed Tariff Sep27 v3 is a 15 month fixed tariff released on 10 June 2026. It is due to end around 30 September 2027. This tariff is not currently available for new switches. This type of tariff is usually aimed at customers who want price certainty for a set period, so the main things to review are the tariff end date, any exit fees, and what happens when the fixed term finishes.

Key points

  • No fees or charges
Check my bill

Contract snapshot

Contract length
15 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: 45.18p to 70.56p

Direct debit unit rate: 24.45p to 26.62p

Cash standing charge: 52.52p to 79.43p

Cash unit rate: 25.85p to 28.16p

Gas

Regions listed: 14

Direct debit standing charge: 29.31p to 30.36p

Direct debit unit rate: 6.72p to 7.14p

Cash standing charge: 37.47p to 37.52p

Cash unit rate: 7.10p to 7.54p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 44.75p to 69.92p

Direct debit day rate: 29.31p to 31.73p

Direct debit night rate: 12.64p to 14.31p

Cash day rate: 30.75p to 33.36p

Cash night rate: 13.72p to 15.45p

Terms

energy-terms/GZt8DJgyiBVC2YkzUVdXiMWrQlYhC5WbAg34MBtV.pdf

Related tariffs

Direct debit supported Cash supported

Electric Driver v17

Ends 31 July 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