Fixed Tariff Mar27 v5

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 March 2027
Contract length
12 months
Electricity code
XR3
Gas code
YR3

Tariff overview

Fixed Tariff Mar27 v5 is a 12 month fixed tariff released on 23 March 2026. It is due to end around 31 March 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

  • Protection from price rises
Check my bill

Contract snapshot

Contract length
12 months
Exit fee
£70
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: 39.35p to 65.30p

Direct debit unit rate: 29.19p to 31.71p

Cash standing charge: 46.64p to 74.13p

Cash unit rate: 30.51p to 33.17p

Gas

Regions listed: 14

Direct debit standing charge: 23.08p to 24.12p

Direct debit unit rate: 8.04p to 8.37p

Cash standing charge: 31.22p to 31.25p

Cash unit rate: 8.33p to 8.69p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 38.93p to 64.51p

Direct debit day rate: 37.91p to 41.15p

Direct debit night rate: 13.55p to 14.49p

Cash day rate: 39.25p to 42.68p

Cash night rate: 14.58p to 15.57p

Terms

energy-terms/Efjga1oiPm7nNPfwkWo8co8pACY3aahiQHVQvrxs.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