Direct debit supported Cash supported
Exclusive Fixed Energy v51
Ends 31 May 2026
View tariff pageLonger Fix Dec27 v1
Tariff details for British Gas, including contract notes, price ranges and the supporting metadata we currently hold.
Official ismybillfair partner
Direct debit supported Cash supported
End date
30 November 2027
Contract length
24 months
Electricity code
XD6
Gas code
YD6
Tariff overview
Longer Fix Dec27 v1 is a 24 month fixed tariff released on 16 December 2025. It is due to end around 30 November 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.
Check my billContract 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: 43.39p to 68.71p
Direct debit unit rate: 25.44p to 27.83p
Cash standing charge: 51.63p to 77.38p
Cash unit rate: 26.92p to 29.44p
Gas
Regions listed: 14
Direct debit standing charge: 32.25p to 33.34p
Direct debit unit rate: 5.45p to 5.96p
Cash standing charge: 40.60p to 40.62p
Cash unit rate: 5.76p to 6.28p
Multi-rate electricity
Regions listed: 14
Direct debit standing charge: 43.55p to 68.07p
Direct debit day rate: 31.33p to 34.04p
Direct debit night rate: 13.17p to 14.36p
Cash day rate: 32.89p to 35.80p
Cash night rate: 14.28p to 15.53p
Terms
Terms content has not been added yet.
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