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Heat Pumps

Heat Pumps in Portsmouth — 2026 Guide

By Priya Sharma, Contributor · Updated April 2026 · Portsmouth, Hampshire

Heat Pumps hero image
Quick answer: Heat Pumps in Portsmouth cost between £9090 and £17440 installed (2026 prices). The average homeowner may save an estimated £490 per year on energy bills. Government support: grants may be available for eligible installations.
£12660
Est. installed cost
£490/yr
Est. annual saving
~12 yrs
Est. payback
1710 hrs
Sunshine hours

Is Portsmouth a Good Place for Heat Pumps?

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

Portsmouth has a population of 214,000, and the area falls within the South East region. We recommend getting at least 3 quotes to compare prices.

Portsmouth

Heat Pumps Costs in Portsmouth (2026)

System size Typical cost Est. annual saving Est. payback
6kW £7770–£10320 £380/yr 13 yrs
9kW (most common) £11010–£13790 £560/yr 12 yrs
14kW £14570–£20400 £800/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 Portsmouth

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

Heat Pumps grants in Portsmouth

Find Installers in Portsmouth

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 Portsmouth

  • Qualifications — check the installer holds relevant qualifications and certifications for heat pumps before signing any contract
  • Local references — ask for completed jobs in Portsmouth or Hampshire
  • 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 Portsmouth

Frequently Asked Questions

How much do heat pumps cost in Portsmouth?
Heat Pumps in Portsmouth cost between £9090 and £17440 installed. A typical mid-range system costs around £12660 including installation and VAT (estimated, based on our research).
Is there a grant for heat pumps in Portsmouth?
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 Portsmouth?
The estimated payback period in Portsmouth is around 12 years, based on estimated annual savings of around £490. Actual payback depends on your property insulation, system size and electricity tariff.
Do I need planning permission in Portsmouth?
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 Portsmouth before installation.
How do I find a good installer in Portsmouth?
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.