Longer Fix May28 v3

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

ismybillfair

Official ismybillfair partner

Direct debit supported Cash supported
End date
31 May 2028
Contract length
24 months
Electricity code
X0N
Gas code
Y0N

Tariff overview

Longer Fix May28 v3 is a 24 month fixed tariff released on 18 May 2026. It is due to end around 31 May 2028. 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.

Check my bill

Contract snapshot

Contract length
24 months
Exit fee
£75
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: 45.08p to 69.86p

Direct debit unit rate: 24.64p to 27.20p

Cash standing charge: 52.37p to 78.69p

Cash unit rate: 25.97p to 28.65p

Gas

Regions listed: 14

Direct debit standing charge: 29.29p to 30.36p

Direct debit unit rate: 7.15p to 7.49p

Cash standing charge: 37.44p to 37.46p

Cash unit rate: 7.45p to 7.81p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 45.08p to 69.86p

Direct debit day rate: 27.44p to 30.37p

Direct debit night rate: 16.06p to 16.91p

Cash day rate: 28.78p to 31.90p

Cash night rate: 17.13p to 17.98p

Terms

energy-terms/aowniRLPKiA8li2qp0au6TDWsOCrQy3QFCmZedDa.pdf

Related tariffs

Direct debit supported Cash supported

Exclusive Fixed Energy v51

Ends 31 May 2026

View tariff page
Direct debit supported Cash supported

Exclusive Fixed Energy v52

Ends 31 May 2026

View tariff page
Direct debit supported Cash supported

Exclusive Fixed Energy v53

Ends 31 May 2026

View tariff page
Direct debit supported Cash supported

Exclusive Fixed Energy v59

Ends 31 May 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