Heat pumps in Portsmouth
£7,770 to £20,400 installed, and 76 Boiler Upgrade Scheme grants already paid in the council area.
What a system costs in Portsmouth
6kW
£7,770–£10,320
Saves up to £211 a year. Pays back in about 7 years after the £7,500 grant (43 years without it).
9kW (most common)
£11,010–£13,790
Saves up to £311 a year. Pays back in about 16 years after the £7,500 grant (40 years without it).
14kW
£14,570–£20,400
Saves up to £444 a year. Pays back in about 22 years after the £7,500 grant (39 years without it).
Source: Home Energy Quotes Cost Index, costs modelled July 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.
Portsmouth in numbers
Published statistics for the Portsmouth council area, not our estimates.
76 Boiler Upgrade Scheme heat pump grants were paid in the Portsmouth council area between May 2022 and June 2026. At the 2021 Census, 75.8% of households in the Portsmouth council area used mains gas as their only central heating, 0% oil only and 11.5% electricity only. Portsmouth leads a Warm Homes: Local Grant consortium allocated £34,807,254 in principle for April 2025 to March 2028.
| Portsmouth council area | Figure | Source |
|---|---|---|
| Boiler Upgrade Scheme heat pump grants paid | 76 | DESNZ and Ofgem, May 2022 to June 2026 |
| Households on mains gas heating only | 75.8% | Census 2021, ONS |
| Households on oil heating only | 0% | Census 2021, ONS |
| Households on renewable heating only | 0.1% | Census 2021, ONS |
| Homes with an EPC rated D to G | 50% | ONS, EPCs lodged to March 2025 |
| Warm Homes: Local Grant, 2025 to 2028 | £34,807,254 to the consortium led by Portsmouth | DESNZ, list updated July 2026 |
| Electricity network operator | SSEN Distribution (Southern England) | NESO licence area boundaries |
Portsmouth is served by SSEN Distribution, the electricity network operator for Southern England. A heat pump has to be registered with the network operator. Your installer normally does this: smaller systems are notified after installation, and larger ones need approval before work starts.
These are published official statistics for the Portsmouth council area, which covers Portsmouth, not Home Energy Quotes estimates. Sources checked 6 October 2026.
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.
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.
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
Questions about heat pumps in Portsmouth
How much do heat pumps cost in Portsmouth?
How many heat pump grants have been paid in Portsmouth?
Is there a grant for heat pumps in Portsmouth?
The Boiler Upgrade Scheme offers up to £7,500 towards an air source or ground source heat pump in Portsmouth, or £9,000 until March 2027 for homes heated by oil or LPG with no mains gas. It is open to property owners in England and Wales.
How long is the payback period in Portsmouth?
Do I need planning permission in Portsmouth?
How do I find a good installer in Portsmouth?
Get quotes for your home in Portsmouth
Up to three approved installers who cover Portsmouth may contact you. Free, no obligation.
Portsmouth on the map
Heat Pumps in nearby towns
Last reviewed: . Costs are modelled estimates from the Home Energy Quotes Cost Index — see how we calculate them. Grant rates are checked against GOV.UK.