Hampshire
Southampton sits in one of the best-served heat pump regions in the country, with 35+ MCS-certified firms within reach — installs typically run £10,400–£12,600 before the grant.
Before you get quotes, check what grant you qualify for — most Hampshire homes get £7,500, off-grid oil/LPG homes £9,000 from 21 July 2026. 60-second calculator →
Coverage: Southampton and Hampshire
Southampton firm stating over 45 years in heating and ventilation, with MCS design-and-install qualification for air and ground source heat pumps.
Certification claims are the installer's own — verify on the official MCS register. From the installer's public website, last checked 2026-07-03.
Coverage: Southampton, Portsmouth and the South
Portsmouth-headquartered installer describing itself as MCS certified, surveying and installing air source heat pumps across Hampshire and the wider South.
Certification claims are the installer's own — verify on the official MCS register. From the installer's public website, last checked 2026-07-03.
Coverage: All of Hampshire
States it covers the entirety of Hampshire with MCS-certified heat pump installers, offering free quotes and renewable heating across Hampshire and West Sussex.
Certification claims are the installer's own — verify on the official MCS register. From the installer's public website, last checked 2026-07-03.
How much does an air source heat pump cost in Southampton?
Most UK air source heat pump installations run £10,000–£14,000 before support. After the £7,500 Boiler Upgrade Scheme grant, typical Southampton households pay £2,500–£6,500 — and off-gas-grid homes replacing oil or LPG qualify for £9,000 from 21 July 2026. Compare at least three quotes; the spread on identical hardware is routinely £2,000+.
What heat pump grant can I get in Southampton?
Southampton is covered by the Boiler Upgrade Scheme: £7,500 off an air or ground source heat pump for property owners replacing fossil fuel or electric heating, rising to £9,000 for off-gas-grid homes replacing oil, LPG or coal from 21 July 2026. Your MCS-certified installer applies on your behalf and deducts it from the quote.
How do I check a Southampton installer is MCS-certified?
Search the official MCS register at mcscertified.com/find-an-installer — certification is what makes you grant-eligible, so verify before signing anything. Every listing on this page links to the register; the 3 installers listed here describe themselves as MCS-certified on their own websites.
Deeper answers in our guides — grants, real costs, and heat pump vs gas boiler.
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