How much does an electric blanket cost to run?
A single electric blanket typically costs about 1.1p to 2.6p an hour to run, or 1.1p to 2.6p for an hour warming the bed, on the Ofgem price cap for 1 October to 31 December 2026.
Typical running costs
Typical power from real UK listings, costed at 26.32p per kWh.
| Type | Typical power | Per hour | For an hour warming the bed |
|---|---|---|---|
| Single | 40 to 100W | 1.1p to 2.6p | 1.1p to 2.6p |
| Double | 90W | 2.4p | 2.4p |
Most people warm the bed for 30 to 60 minutes on a high setting, then turn it down or off.
Work out your own
- Per day
- 2.6p
- Per week
- 18p
- Per year
- £9.58
Watts ÷ 1,000 × hours × pence per kWh.
How these figures are worked out
Cost per hour is the power in watts, divided by 1,000, times the unit rate. The rate is the Ofgem price cap, 1 October to 31 December 2026 (direct debit, average, VAT removed). Your own tariff may differ, so check the unit rate on your bill.
Typical power comes from these UK listings: