Heating & hot water — running costs

Electric heaters, radiators and immersion heaters — usually the biggest single line on a winter bill.

Price updated 9 July 2026 · Q3 2026 (Jul–Sep)

Electric blanket

100 W typical

~79p/mo

Fan heater

2,000 W typical

~£31.77/mo

Halogen heater

800 W typical

~£19.06/mo

Immersion heater

3,000 W typical

~£35.74/mo

Oil-filled radiator

1,500 W typical

~£47.65/mo

Panel heater

1,000 W typical

~£31.77/mo

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