What does it cost to run?
Plain-English running costs for UK homes, calculated at today's price cap (26.32p/kWh electricity, 7.97p/kWh gas). No jargon, no guesswork.
Open the cost calculator → Estimate your whole billAppliance running costs at a glance
| Appliance | Cost | Per |
|---|---|---|
| Kettle (3kW, one boil) | 3.9p | per boil |
| Electric shower (9kW, 10 min) | 39p | per shower |
| Fan heater (2kW) | 53p | per hour |
| Oil-filled radiator (1.5kW) | 39p | per hour |
| Air fryer (1.5kW, 20 min, full power) | 13p | per cook |
| Dehumidifier (200W) | 5.3p | per hour |
| Heated airer (220W) | 5.8p | per hour |
| TV (100W) | 2.6p | per hour |
| Electric blanket (100W) | 2.6p | per hour |
| Laptop (50W) | 1.3p | per hour |
| LED bulb (8W) | 0.2p | per hour |
Electricity at 26.32p/kWh, the Ofgem price cap for 1 October to 31 December 2026. Next change: 1 January 2027.
Popular guides
How much does a heated airer cost to run?
A typical 220W heated airer costs about 5.8p an hour at the current UK price cap. See costs per load, versus a tumble dryer, and how to dry faster.How much does an electric blanket cost to run?
A double electric blanket costs around 2.6p an hour on high and less on low. Compare it with a heater and central heating at today's UK price cap.How much does a dehumidifier cost to run?
Compressor dehumidifiers cost about 5.3p an hour and desiccant models around 13p. Find out which type suits a cold UK home and how much a month costs.Air fryer vs oven: which costs less to run?
A 20-minute air fryer cook costs about 9.2p versus roughly 32p for an electric oven. Full UK cost comparison including microwave and slow cooker.What's the cheapest electric heater to run?
Running costs for oil-filled radiators, fan, halogen, convector and infrared heaters at 26.32p/kWh, plus when electric heating beats central heating.Is a smart thermostat worth it?
How much a smart thermostat could save on a UK gas bill, how long it takes to pay back, and which features actually make a difference.How we work out costs
Cost = power in kilowatts × hours used × price per kWh. A 2,000W heater is 2kW, so one hour costs 2 × 26.32p = 53p. We use typical wattages and the current Ofgem price cap, and update the figures every time the cap changes.