Costs use 26.32p per kWh, the Ofgem price cap, Direct Debit average for England, Scotland and Wales for 1 October to 31 December 2026. Your own tariff may differ. How we calculate.

Electric blankets
Link
TLGREEN Single Electric UnderblanketSingle100W2.6p80p68h Amazon (opens Amazon UK in a new tab)
Homefront Premium Fleece Fitted Electric Blanket, DoubleDouble120W3.2p96p912h Amazon (opens Amazon UK in a new tab)
Homefront Fleece Fitted Electric Blanket, KingKing120W3.2p96p912h Amazon (opens Amazon UK in a new tab)

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Heated throws and wearable blankets
Link
Beurer HD 75 Heated ThrowThrow180 x 130 cm100W2.6p£2.403h Amazon (opens Amazon UK in a new tab)
Silentnight Comfort Control Heated ThrowThrow160 x 120 cmNot statedNot statedNot stated2h Amazon (opens Amazon UK in a new tab)
Silentnight Snugsie Wearable USB Heated BlanketWearableOne sizeNot statedNot statedNot statedNone stated Amazon (opens Amazon UK in a new tab)

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Assumptions

Costs are at full power. On a lower setting most blankets and throws draw less, so these are the most you would pay. The blanket table assumes one hour a day, enough to warm the bed before you get in; the throw table assumes three hours an evening.

Heating cost per hour See how a throw or blanket compares with heaters and gas central heating, per hour.