Greater London · Heat pump installation
Heat pump installation in Greenhill, Greater London
We cover Greenhill for MCS certified installation of air source heat pumps for heating and hot water, with the Boiler Upgrade Scheme grant applied for. Diagnosis first, a fixed price and proper paperwork when we finish.
- No space for a hot water cylinder
- Comparing heat pump types
- An oil, LPG or gas boiler near the end of its life
Before you call an engineer
Owner care supports servicing; it doesn’t replace it. Clean filters and a clear outdoor unit help the system run as it should, but the inside of the units, the refrigerant and the electrics still need a qualified engineer.
Do not move, re-route or disconnect units or pipework yourself. Disconnecting a system means dealing with refrigerant, which only a qualified engineer can do, and the electrics need care too. Ask us to quote for a move instead.
Air source heat pumps in Greenhill
A heat pump takes heat from the outside air and moves it into your home with electricity running the compressor and fans. The technology is close to air conditioning, which is why we install both and the Energy Saving Trust notes that air-to-air heat pumps are sometimes referred to as air conditioning. If the problem is not knowing whether a grant applies and wanting to stop using oil, LPG or gas for heating, we can help.
A terrace in Greenhill shares walls with its neighbours, which helps keep heat in, provided the outdoor unit can sit somewhere that passes the MCS noise check.
For a fault on a system that may still be under warranty, send us the make, model and installation date. We will explain how the manufacturer’s terms are likely to apply before anything chargeable is done.
- Where
- Greenhill (HA1, HA3, HA2)
- Region
- Greater London
- Approvals
- NICEIC and F-Gas, MCS
- Prices
- £8,000–£16,000 (0% VAT on homes), before the grant
- Pricing
- Fixed after a survey or pictures
- Phone
- 07833 053749
- Updated
- 30 October 2026
Common questions in Greenhill
Is a heat pump in Greenhill permitted development?
The answer turns on the property and where the outdoor unit would sit. A conservation area takes in the middle of Greenhill. The permitted development rules for heat pumps leave out listed buildings and stop outdoor units going on road-facing walls or roofs in conservation areas. Anything outside the rules needs an application, and we raise it with Harrow council, which is usually the planning authority for Greenhill first.
Can you fit air conditioning in a London flat in Greenhill?
In many cases, yes, once the lease and the building’s rules are checked. We look at where the outdoor unit could go, such as a balcony, flat roof or rear wall, and write it up for the freeholder or agent.
Whose job is it to check the system for leaks?
The operator of the equipment, working with qualified engineers. Larger systems need regular checks: at least every 12 months from 5 tCO2e and every 6 months from 50 tCO2e. We will work out which band applies to yours.
Do you survey before quoting?
Yes, every time. Diagnosis comes before treatment: the survey tells us what the job needs and how to do it and the fixed price is built on it.
How much does an air source heat pump cost?
£8,000–£16,000 (0% VAT on homes) for air-to-water, before the grant. The final price depends on the heat loss survey, the radiators and the cylinder and the quote is fixed.
Does servicing affect my warranty?
For some brands, yes. Send us the make and model and we will tell you what the manufacturer expects, and book the service at the interval they recommend.
Do you work for landlords and businesses?
Yes. We work for homeowners, landlords, letting and managing agents, and businesses of every size across London and the South East. Let us know who the records should go to.
Air source heat pumps in Greenhill: the local picture
Valuation Office Agency council tax records show about 45% of homes across Greenhill and its surrounding area were built in 2000 or later, and the last census (2021) found about 71% of households live in flats. Newer homes normally lose less heat, which tends to suit a heat pump well. Flats are often harder for air-to-water systems, so we look at whether air-to-air suits better. In London, outside space and the rules for flats often decide which kind of heat pump suits.
For a home near Harrow-on-the-Hill station, the survey looks at whether an air-to-water or air-to-air heat pump suits better. Historic houses such as Headstone Manor, about 1.1 miles north-west, are a reminder that listed homes need consent before a heat pump goes in.
Greenhill is about 1 mile north-east of Harrow, in Greater London. For air source heat pumps in and around Greenhill, please call us on 07833 053749 or fill in the contact form for a fixed-price quote. We work across London and the South East, Greenhill included. In Greater London alone we list 764 places, and Greenhill is one. London is in our area too, around 12 miles away.
Not far from Greenhill, a recent job of ours was on Richmond Hill, Richmond (TW10), about 9 miles south: installing a Mitsubishi Electric Zubadan multi-split system serving four bedrooms, the study and the living room: six indoor units in total.
Jobs in HA1, HA3 and HA2 are looked at, quoted and booked the same way as anywhere else. Lyon Road, Hill Road and Byron Road and the roads off them are all inside our area. We also cover the places around Greenhill: Wealdstone (1 mile north), Northwick Park (1 mile south-east), Harrow (1 mile south-west), Kenton (1 mile east) and Roxeth (1 mile south-west). We also work in nearby towns such as London (12 miles south-east), City of Westminster (9 miles south-east), Marylebone (9 miles south-east) and Kensington (8 miles south-east).
Local landmarks in Greenhill
Locally, jobs take us to houses, flats and workplaces close to Royal Oak pub, Northwick Park and Harrow High School and the streets around them. There’s a railway station in Greenhill itself: Harrow-on-the-Hill station. Nearby you’ll also find St. Anns (under half a mile south-west) and Hilfield Castle (4.8 miles north). The countryside around Greenhill includes Masons Field and Northala Fields.
Nearby places to Greenhill
Also in Greenhill
Landlords, agents and facilities managers
Managing agents often deal with us directly. Tell us the property, the work and the access arrangements, and we’ll send a fixed-price quote.
Whether it’s one property or many, the approach is the same: a look at the job first, a fixed-price quote, work booked with the occupier and written records afterwards.
Why it’s worth doing now in Greenhill
Planning rules have specific conditions. Checking the position for your home at the survey stage avoids surprises later, including conservation areas, listed buildings and Article 4 directions. If a lease or managing agent is involved in Greenhill, start the conversation early.
No two properties are the same, so each one gets its own fixed-price quote. The equipment, how we reach it, the route between units and the work needed all play a part.
Why people in Greenhill choose us
- A fixed price before any work starts
- Warranty terms set out brand by brand
- Electrical work covered by our NICEIC approval
- F-Gas company certification
Take a look at what air conditioning costs or our accreditations and certificates.
What we do, step by step
Each visit follows the same order: agree the plan on site, protect the area, carry out the job, test what we’ve done and talk you through it. The visit itself takes several days for an air-to-water system with a new cylinder, less for an air-to-air system. If your building in Greenhill has a managing agent, a concierge or sign-in rules, mention them when you book.
- First, a chat about the property and your goals for the heating.
- We survey for heat loss and look at radiators, cylinder space and outdoor unit options.
- We recommend air-to-water or air-to-air and check the grant position.
- The system is installed and connected to the controls.
- The job ends with commissioning, the MCS certificate and a walk through the controls.
Preparing for the visit
- Mention any parking restrictions near the property
- Make sure we can reach the consumer unit or fuse board
- Plan for pets to be kept clear during the visit
Getting a price
To help us quote: where the property is and what kind of building it is, pictures of the rooms or units, the make and model of any existing system and anything you’ve noticed, such as an error code or a noise. Then ring us on 07833 053749 or send an email.
Related advice
From one of our customers
“Office air con broke down in the July heatwave. Called at 8am, engineer was here by noon and fixed within 2 hours. Brilliant emergency response. They now hold the service contract for the whole building.”
James T., Crawley, office manager