How Much Should Energy Cost in the UK?

    Based on Ofgem's typical-use figures, the average UK household currently pays around £141 per month for dual-fuel energy. Your fair cost depends on your property and the number of people living in it.

    PropertyOccupantsFair monthlyFair annual
    1-bed flat1£70£840
    2-bed flat2£84£1,008
    Terraced2–3£120£1,440
    Semi-detached3£141£1,692
    Semi-detached4+£169£2,028
    Detached3£183£2,196
    Detached4+£220£2,640

    If your bill is more than 10% above the figure for your property type, you're likely overpaying and could switch to a cheaper tariff.

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    Energy bills and the price cap

    Read the UK energy bills and price cap guide for the full picture.

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    Compare Energy Suppliers

    Independent PowerGuardian scores out of 100 for relevant suppliers, as at 21 September 2026.

    British Gas

    55/100

    The UK's largest supplier remains financially rock-solid but service and complaint metrics continue to lag the market, with smart-meter billing delays a recurring theme.

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    EDF Energy

    73/100

    EDF is a steady, financially robust supplier with mid-table service and fair fixed-tariff renewals. Few surprises in either direction.

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    Octopus Energy

    92/100

    Octopus continues to lead the UK market on customer service and complaint handling, backed by genuinely competitive smart tariffs and strong financial backing. The clear front-runner on our intelligence dashboard.

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