Heat pump costs in the South West (2026)
A typical installation costs £7,800 to £16,100 in the South West. Installed costs are within a few percent of the UK average; remote Cornwall and Devon jobs can carry travel surcharges.Here's what to expect by property type, and how to pay less.
Heat pump costs in the South West at a glance
| Type | From | To |
|---|---|---|
| Air-source heat pump (ASHP) | £7,800 | £16,100 |
| Ground-source heat pump (GSHP) | £14,600 | £37,500 |
| Underfloor heating add-on | +£2,900 | +£8,600 |
| Grant support | £-7,500 | £-7,500 |
Indicative 2026 ranges adjusted for the South West, calibrated against MCS regional installation cost data and Ofgem grant-scheme averages. Always compare multiple quotes — prices vary by installer and property.
Costs by property type in the South West
Terraced and smaller homes
A compact air-source unit for a 2–3 bedroom home costs around £7,800 to £11,800 in the South West before grants. Outdoor unit placement matters in tight terraces; an installer survey confirms noise distances and pipe runs.
Semi-detached houses
A typical 3-bed semi needs a mid-size air-source heat pump, around £8,700 to £13,900 in the South West before grants. Budget extra if radiators need upsizing for lower flow temperatures.
Detached houses
Larger detached homes need bigger air-source units (£10,700 to £16,100 in the South West) or, with garden space, a ground-source system at £14,600 to £37,500. Grant support takes £7,500 off either.
What's different about the South West
- Installed costs are within a few percent of the UK average; remote Cornwall and Devon jobs can carry travel surcharges.
- Top-tier solar irradiance on the south coast and a mild climate that suits air-source heat pumps; many rural homes heat with oil, making grant savings larger.
- All national grants apply: the £7,500 Boiler Upgrade Scheme, ECO4 and GBIS insulation schemes, and the £350 OZEV charger grant.
Common questions
How much does a heat pump cost in South West?
A typical installation costs £7,800 to £16,100 in the South West in 2026. Installed costs are within a few percent of the UK average; remote Cornwall and Devon jobs can carry travel surcharges. The table above shows ranges by system size and property type.
Why do prices in the South West differ from the UK average?
Installed costs are within a few percent of the UK average; remote Cornwall and Devon jobs can carry travel surcharges. Top-tier solar irradiance on the south coast and a mild climate that suits air-source heat pumps; many rural homes heat with oil, making grant savings larger.
What grants are available in the South West?
All national grants apply: the £7,500 Boiler Upgrade Scheme, ECO4 and GBIS insulation schemes, and the £350 OZEV charger grant.
How do I get an accurate price for my home?
Ranges only narrow once an installer sees your property. Compare quotes from several vetted local installers, free and with no obligation, and contact them free through Find an Eco Installer. No spam calls.
Get accurate the South West quotes
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Also covering Bath, Taunton and Salisbury.
Heat pump costs in other regions
- London
- the South East
- the East of England
- the West Midlands
- the East Midlands
- Yorkshire
- the North West
- Scotland
- Wales