Heat Pumps in Plymouth
Independently writtenPlymouth's mild South West climate and practical post-war housing stock make it one of the most straightforward cities for heat pump installation. With some of the warmest winters in England, Plymouth homeowners get excellent efficiency from air source systems.
Plymouth at a glance
6.2°C
Average winter temperature
Source: Met Office
1950
Heating degree days
Source: Regional data
£746/yr
Est. heat pump running cost
Source: Ofgem rates Q1 2026
£-26/yr
Est. saving vs gas
Source: Calculated
Housing in Plymouth
Post-war reconstruction (heavily bombed in WWII), 1930s semis, Victorian terraces, and naval housing. Practical housing stock with many homes well suited to heat pumps.
Heat pump costs in Plymouth
An air source heat pump in Plymouth typically costs £8,000–£15,000 before the £7,500 BUS grant. After the grant, most Plymouth homeowners pay £500–£7,500.
Running costs depend on your property size and insulation. For a typical 3-bed semi in Plymouth, expect to pay around £746 per year to run a heat pump — compared to £720 for gas heating. That's a saving of approximately £-26 per year.
Plymouth's mild climate means lower heating demand and higher heat pump efficiency — you'll get more heat per unit of electricity here than in colder regions.
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