Average UK energy bills in 2026

What "average" really means

Headline averages assume a household with typical usage paying by direct debit. Ofgem defines that as roughly 2,700 kWh of electricity and 11,500 kWh of gas a year. Your bill could be well above or below the average depending on the size of your home, how many people live there, and how you heat it.

Rough benchmarks by home type

• Flat or one-bed: low usage, often a third to a half below the typical figure.
• Two to three-bed terrace or semi: around the typical-usage benchmark.
• Four-bed detached: well above average, sometimes half as much again, because there is more space to heat.

Electric heating, an older boiler, or poor insulation all push usage up regardless of home size.

Where the money goes

Heating and hot water are the biggest slice of most bills, typically more than half. The rest is split across appliances, lighting, cooking and standby power. That is why turning the thermostat down a degree, or fixing draughts, moves the bill more than switching off a few lights.

How to tell if you are overpaying

Check your annual kWh against the benchmarks above. If your usage is average but your bill is high, the tariff is the likely culprit, especially if you are on a standard variable deal. Compare energy deals on total annual cost to see whether a fix beats your current rate. If your usage itself is high, our energy-saving tips will move the needle further than switching alone.

The bottom line

Use the kWh figure on your bill, not the headline average, to judge where you stand. If usage is normal but the bill is not, the tariff is the problem. If usage is high, tackle heating and insulation first.