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AnswerHeat pump vs gas boiler: which is better in 2026?
A heat pump is greener and, on a heat-pump tariff, can be cheaper to run — but costs more upfront (offset by the £7,500 grant). A gas boiler is cheaper to fit but ties you to gas prices and carbon.
In more detail
For most homes staying put for years, a grant-backed heat pump is the long-term winner; for a quick like-for-like swap on a tight budget, a boiler still makes sense today.
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2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.