Fixed Tariff Sep27 v5

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
X2O
Gas code
Y2O

Tariff overview

Fixed Tariff Sep27 v5 is a 15 month fixed tariff released on 18 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

  • Avoid the price rise
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: 44.22p to 69.61p

Direct debit unit rate: 24.21p to 26.37p

Cash standing charge: 51.56p to 78.47p

Cash unit rate: 25.61p to 27.91p

Gas

Regions listed: 14

Direct debit standing charge: 28.35p to 29.40p

Direct debit unit rate: 6.54p to 6.96p

Cash standing charge: 36.51p to 36.56p

Cash unit rate: 6.92p to 7.35p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 43.79p to 68.96p

Direct debit day rate: 28.92p to 31.33p

Direct debit night rate: 12.57p to 14.23p

Cash day rate: 30.36p to 32.96p

Cash night rate: 13.64p to 15.36p

Terms

energy-terms/AHxksoOdWX2akFYYGJke7r4D26mS0rc4Wgh3l8k7.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