Heat Pumps in Southampton
Independently writtenSouthampton's sheltered south coast position gives it some of the mildest winters in England — ideal conditions for heat pump efficiency. With the £7,500 BUS grant, switching from gas or oil heating is more affordable than many Southampton homeowners expect.
Southampton at a glance
5.5°C
Average winter temperature
Source: Met Office
2050
Heating degree days
Source: Regional data
£785/yr
Est. heat pump running cost
Source: Ofgem rates Q1 2026
£-28/yr
Est. saving vs gas
Source: Calculated
Housing in Southampton
Post-war estates, Victorian terraces, and modern waterfront developments. Southampton's coastal location provides milder winters than inland areas.
Heat pump costs in Southampton
An air source heat pump in Southampton typically costs £8,000–£15,000 before the £7,500 BUS grant. After the grant, most Southampton homeowners pay £500–£7,500.
Running costs depend on your property size and insulation. For a typical 3-bed semi in Southampton, expect to pay around £785 per year to run a heat pump — compared to £757 for gas heating. That's a saving of approximately £-28 per year.
Southampton'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.
Ready to take the next step?
Get free, no-obligation quotes from MCS-certified heat pump installers in your area. Takes 2 minutes.
Compare heat pump installers in SouthamptonNo obligation. We are not installers. Independent advice.