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Claim this listingJohn Martin Plumbing and Heating
4.9
9 Google reviews
1–2 days
Typical install time
£7,500
BUS grant amount
About John Martin Plumbing and Heating
John Martin Plumbing and Heating is an MCS certified air source installer based in Cornwall. They are registered with the Boiler Upgrade Scheme, meaning they can help you claim up to £7,500 towards your installation.
Coverage area
Based in Cornwall, TR14 0EZ
Areas served:
Reviews
4.9
9 Google reviews
Based on verified Google reviews
SoundONE Disco
My Boiler had stopped working today and it had to be the only day of the year we had snow and it is freezing. I called PJD and the lovely lady on the end of the phone said an engineer would call as soon as possible. Within an hour there was an engineer at my door, he diagnosed the problem instantly and had the boiler working in under 5 minutes. These guys really are the best. Thank you so much PJD Martin outstanding service.
Zach Burns
PJD were able to install and commissioning a new Worcester Bosch boiler. Fast friendly service and the fitter was clearly knowledgeable and happy to answer any questions I had.
kirsty whitwam
My boiler wouldn't work & no heating. With corgi who use PJD Martin and was called straight back by lovely lady.He came later that same day,friendly,thorough and clean work done.Gave sound advice and will use independently again. Fab
Mary Hind
Excellent tidy work, cheerful workmen no mess left behind. I would highly recommend this firm for any plumbing or heating work and would be happy to use them again if the need arises.
Justin Dellar
Hassle free drop off for self employed vehicle delivery driver and helpful lift to the station after, thx guys 👍😎
Showing 5 of 9 reviews. View all on Google
Frequently asked questions
How do I know you’re properly qualified and certified to install heat pumps?
We are MCS‑certified and registered with an approved consumer protection/competent person scheme, which is essential for quality assurance and to access grants like the Boiler Upgrade Scheme (BUS).
Can you tell me if a heat pump is actually suitable for my home?
We carry out a detailed home assessment, including property type, insulation levels, existing heating system and available outdoor space, to confirm whether a heat pump is a good fit.
What type and size of heat pump will you recommend for my property, and why?
We design the system using a heat‑loss calculation for your home, then match the correct kW size and model (for example, air‑source vs ground‑source) so it runs efficiently and reliably.
What will the full installation cost be, and what’s included in your quote?
Our fixed quote clearly lists the heat pump, cylinder, controls, labour, scaffolding (if needed), electrical work and any radiator or pipework upgrades, so you know exactly what you’re paying for.
Can you help me access government grants like the Boiler Upgrade Scheme?
Yes, as an MCS installer we can confirm your eligibility, apply for the BUS grant (worth up to £7,500) on your behalf and deduct it directly from your quote.
How much disruption should I expect during installation, and how long does it take?
A typical air‑source heat pump installation takes around 2–5 days, and we’ll agree locations for the indoor and outdoor units, manage any planning considerations and keep you informed each day.
Will I need to replace my radiators or upgrade anything else in my home?
After the heat‑loss survey, we’ll advise if any radiators, pipework, electrics or hot‑water cylinder need upgrading so the system can run efficiently at lower flow temperatures.
How noisy is the outdoor unit and where will it be installed?
Modern heat pumps are designed to be quiet and must meet UK noise regulations; we’ll position the unit to minimise any impact on you and your neighbours and comply with local planning rules.
What warranties, servicing and aftercare do you provide?
You’ll get manufacturer warranties on the heat pump plus our workmanship guarantee, and we offer ongoing servicing and support to keep your system performing at its best.
What running costs and savings can I realistically expect compared to my current boiler?
We’ll estimate your likely annual running costs and potential savings based on your current fuel type, insulation level and tariffs, using real‑world performance data rather than lab figures.
Boiler Upgrade Scheme
Up to £7,500
off your heat pump installation
This installer handles the full BUS grant application — deducted directly from your quote. No upfront payment needed for the grant amount.
Scheme open until 2028 — limited funding available
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