Fixed Tariff Sep27 v10

Tariff details for British Gas, including contract notes, price ranges and the supporting metadata we currently hold.

Direct debit supported Retention tariffSwitch tariffCash supported
End date
30 September 2027
Contract length
14 months
Electricity code
X4K
Gas code
Y4K

Tariff overview

Fixed Tariff Sep27 v10 is a retention tariff from British Gas, which means it may have been aimed at existing customers rather than customers switching in. It was released on 14 July 2026. It is due to end around 30 September 2027. If you are on this tariff, it is usually worth checking how it compares with other options before simply renewing onto another deal.

Key points

  • Save without switching!
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Contract snapshot

Contract length
14 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: 44.65p to 70.62p

Direct debit unit rate: 25.09p to 27.65p

Cash standing charge: 51.99p to 79.49p

Cash unit rate: 26.48p to 29.19p

Gas

Regions listed: 14

Direct debit standing charge: 28.39p to 29.38p

Direct debit unit rate: 7.18p to 7.52p

Cash standing charge: 36.55p to 36.56p

Cash unit rate: 7.56p to 7.92p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 44.22p to 69.81p

Direct debit day rate: 30.21p to 33.53p

Direct debit night rate: 14.19p to 15.14p

Cash day rate: 31.64p to 35.17p

Cash night rate: 15.26p to 16.28p

Terms

energy-terms/ChTCd3B0WYCTq9yyQNRb3cGqh58tlOhC98J1m7De.pdf

Related tariffs

Direct debit supported Cash supported

Electric Driver v17

Ends 31 July 2026

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