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23 Google reviews
1–2 days
Typical install time
£7,500
BUS grant amount
Greg Oliver Plumbing and Heating Ltd is an MCS certified air source installer based in Warwickshire. They are registered with the Boiler Upgrade Scheme, meaning they can help you claim up to £7,500 towards your installation.
Based in Warwickshire, CV33 9UB
Areas served:
5.0
23 Google reviews
Based on verified Google reviews
Rob Colley
Greg did our first service on the boiler he installed. Greg was on time and very efficient he has been excellent with the install and customer focus is second to none. I will use Greg for all my heating and plumbing needs. Professional at all times.
Ritchard Hewitt
As an ex-British Gas Service Engineer I was looking for someone with a similar kind of background and thorough training but with up to date knowledge on the latest kit and controls. After looking around and talking to various boiler installers another gas engineer recommended Greg to me (that says a lot to me). Greg was quick to respond to my calls and texts and went out of his way to listen to what I wanted to do and why. He then went away and did his own research on what I wanted before he confirmed that he was happy to proceed. It was good to find someone who was open to new ideas and was prepared to do things just a little bit different. Nice job, well done. Yes, I would recommend Greg.
Ryan Hutchinson
Couldn't have been happier with the service. Greg has completed two jobs for me and on both occasions, he arrived on time, took the time to explain everything, completed the job quickly and was transparent and friendly throughout. I wouldn't hesitate to recommend Greg or use him in the future for anything plumbing related.
Damien Culley
I contacted Greg as he was an approved installer for Glowworm and I thought we had an issue with our Glowworm boiler. His communication was very prompt and he came around the next day, diagnosed the issue with a valve (not the boiler as it turned out) very quickly and had the part replaced straight away. Everything working perfectly. Communication was always good - clearly explained what he was doing at every step. Would recommend.
Stephanie Gotel
Greg came over to the house and did a full diagnosis on our old Nibe air source pump and underfloor heating. He made some good recommendations/upgrades. We'll be using Greg to change over all the old thermostats - very happy to work with him and reliable!
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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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