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AnswerHow much space does a heat pump need?
The outdoor unit is roughly 1m wide and needs clear airflow around it; indoors you need room for a hot-water cylinder, usually in an airing cupboard.
In more detail
Most homes have suitable space on an external wall plus a cupboard for the cylinder.
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2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.