Home › Heat pumps › What size heat pump for a cottage
AnswerWhat size heat pump for a cottage?
A cottage typically needs a 10–15 kW air-source heat pump. Solid stone walls and often listed status need a specialist survey.
Older, solid-wall homes lose more heat, so insulation and correctly-sized radiators matter as much as the heat pump itself.
| Estimated size | 10–15 kW |
|---|---|
| First step | Insulation + heat-loss survey |
Are heat pumps good for old houses? →
2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.