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AnswerAre storage heaters expensive to run?
Old storage heaters can be costly and hard to control. Modern high-heat-retention models on an off-peak tariff are cheaper, but a heat pump is usually far more efficient overall.
In more detail
If you're on electric heating, a heat pump typically cuts running costs substantially.
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2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.