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20 Google reviews
1–2 days
Typical install time
£7,500
BUS grant amount
Holt Plumbing and Heating Service Ltd is an MCS certified air source installer based in Dorset. They are registered with the Boiler Upgrade Scheme, meaning they can help you claim up to £7,500 towards your installation.
Based in Dorset, BH21 7DW
5.0
20 Google reviews
Based on verified Google reviews
katie Bourne
We recently changed from LPG gas to a heat pump with battery and solar. Holt Plumbing provided excellent service throughout. From the initial meeting to the final handover, the whole process was seamless—very helpful, informative, and professional. Thank you to the entire team!
Bob Hazell
We arranged comparison quotes for an Air Source Heat Pump installation from other local companies. Ryan Newman and Ryan Moulton at Holt Plumbing and Heating gave us a very detailed and competitive quote and they provide a comprehensive service. The installation team were highly professional. Removal of the oil fired boiler and installation of a Nibe Air Source Heat Pump is now complete together with replacement radiators, plumbing and electrics. We have a comfortably warm house throughout the day, and in the evening reduce the heat from bedroom radiators. The hot water provided is more than adequate! We are incredibly impressed with the service that this company provides, and also the technology provided by Nibe, the heat pump is quieter than the old oil fired boiler, and appears to be very energy efficient! We thoroughly recommend this company.
philip harrod
My daughter moved into a house and found that hot water was delivered to the toilet in the downstairs cloakroom. Liam of Holt Plumbing arrived on time and quickly concluded that there was an error in pipe connections in the floor void above. He rapidly lifted the carpet and cut out a section of flooring to reveal the problem which he soon rectified. He worked in a very professional manner, removing his shoes at the door and vacuuming up the sawdust as he worked. All was reinstated and tested within an hour and a half - amazing!
Chris Barnes
Just had our solar thermal panels replaced, floor loops recharged and a couple of remedial jobs. The firm was responsive and Matt, the man on the job, was personable and thorough. A very professional service. We are pleased that they have taken over our Nibe service contract and they will be our go-to plumbers in the future.
Curtis Langton
Holt Plumbing & Heating recently installed a new heating system into my house and the service was fantastic. From the inital quote to the final handover the guys were all professional and helped to select the best products for the job. Thanks!
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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).
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.
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.
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.
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.
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.
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.
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.
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.
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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