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Heat Pumps

Heat Pumps in London — 2026 Guide

By David Chen, Contributor · Updated April 2026 · London, Greater London

Heat Pumps hero image
Quick answer: Heat Pumps in London cost between £9110 and £16160 installed (2026 prices). The average homeowner may save an estimated £500 per year on energy bills. Government support: grants may be available for eligible installations.
£12810
Est. installed cost
£500/yr
Est. annual saving
~12 yrs
Est. payback
1625 hrs
Sunshine hours

Is London a Good Place for Heat Pumps?

The area’s housing stock includes a range of properties suited to heat pumps installations throughout London. Combined with South East’s energy prices, heat pumps installations here may offer good value (individual results will vary).

London has a population of 8,900,000, and the area falls within the South East region. We recommend getting at least 3 quotes to compare prices.

London

Heat Pumps Costs in London (2026)

System size Typical cost Est. annual saving Est. payback
6kW £7730–£9990 £380/yr 13 yrs
9kW (most common) £11090–£14180 £570/yr 12 yrs
14kW £15100–£20140 £750/yr 11 yrs

Source: Green Reach Energy research, March 2026. Prices are estimates and include installation and VAT. Actual costs may vary.

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Available Grants in London

A government grant of up to £7,500 is available for eligible installations.

Heat Pumps grants in London

Find Installers in London

We recommend getting at least 3 quotes from qualified installers before making a decision. Check reviews, ask for local references, and make sure warranties are clearly stated in writing.

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What to check before hiring an installer in London

  • Qualifications — check the installer holds relevant qualifications and certifications for heat pumps before signing any contract
  • Local references — ask for completed jobs in London or Greater London
  • Reviews — check online reviews before committing
  • Warranty — product and workmanship warranties should be clearly stated in writing
  • 3 quotes minimum — we recommend comparing at least three quotes to ensure you get a fair price
Heat Pumps installer in London

Frequently Asked Questions

How much do heat pumps cost in London?
Heat Pumps in London cost between £9110 and £16160 installed. A typical mid-range system costs around £12810 including installation and VAT (estimated, based on our research).
Is there a grant for heat pumps in London?
Yes. The up to £7,500 government grant is available for eligible installations. Use a qualified installer to claim it.
How long is the payback period in London?
The estimated payback period in London is around 12 years, based on estimated annual savings of around £500. Actual payback depends on your property insulation, system size and electricity tariff.
Do I need planning permission in London?
Most heat pumps installations fall under permitted development rights and do not require planning permission. However, listed buildings, conservation areas and flats may need approval. Always check with your local planning authority in London before installation.
How do I find a good installer in London?
We recommend getting at least 3 quotes from qualified installers. Check online reviews and verify that the installer holds relevant qualifications before signing any contract.