Greater London
London has the UK's largest pool of MCS-certified installers, covering every borough — worth getting three quotes, as prices and lead times vary widely across the capital.
Before you get quotes, check what grant you qualify for — most Greater London homes get £7,500, off-grid oil/LPG homes now get £9,000. 60-second calculator →
Coverage: London, Surrey & the South East
Croydon-based firm describing itself as MCS-certified for air and ground source heat pumps and solar PV, designing and installing every system in-house.
Certification claims are the installer's own — verify on the official MCS register. From the installer's public website, last checked 2026-08-30.
Coverage: UK-wide
Founded in 1999 as CB Heating, the company states it was acquired by EDF in 2024 and rebranded as EDF Heat Pumps, and says it has installed thousands of heat pumps across the UK. Its site states that all its installations are completed in line with MCS standards, and describes itself as a Which? Trusted Trader rated excellent on Trustpilot.
Certification claims are the installer's own — verify on the official MCS register. From the installer's public website, last checked 2026-08-30.
Coverage: West London
States it is MCS certified to design and install air source heat pumps across West London, alongside heating and ventilation services.
Certification claims are the installer's own — verify on the official MCS register. From the installer's public website, last checked 2026-08-30.
Coverage: South London
Bromley-based installer describing itself as MCS-certified, specialising in air source heat pump design and installation with underfloor heating.
Certification claims are the installer's own — verify on the official MCS register. From the installer's public website, last checked 2026-08-30.
Tell us what you're heating with now and we'll match you with MCS-certified installers covering London. No obligation, and your details are never sold.
How much does an air source heat pump cost in London?
Most UK air source heat pump installations run £10,000–£14,000 before support. After the £7,500 Boiler Upgrade Scheme grant, typical London households pay £2,500–£6,500 — and off-gas-grid homes heated by oil or LPG now qualify for £9,000. Compare at least three quotes; the spread on identical hardware is routinely £2,000+.
What heat pump grant can I get in London?
London 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, or £9,000 for off-gas-grid homes heated by oil or LPG. Your MCS-certified installer applies on your behalf and deducts it from the quote.
How do I check a London 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 4 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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