Greater London · Heat pump installation
Heat pump installation in Underhill, Greater London
Need air source heat pumps in Underhill? We diagnose first, fix the price and book the work around you, finishing with proper records.
- Wanting to stop using oil, LPG or gas for heating
- Deciding which kind of heat pump suits the home
- Deciding on the outdoor unit position
Fixed-price quotes for air source heat pumps in Underhill
The survey or diagnosis tells us what the work involves. The main factors are:
- Whether it’s a one-off job or part of a maintenance contract
- What kind of system it is
- The size of the job
One room or a whole building, we price it on the same basis: the work involved, the access and the equipment. You’ll have a fixed price before work begins, and the quote sets out the VAT.
Asking for a quote
You don’t need the technical terms. Just send:
- The rating plate or label on any existing unit
- The outside wall, roof or yard where the outdoor unit sits or would go
- A few photos of the room and the wall the unit is on, or will go on
Some jobs can be priced from photos, while others need a survey. Multi-room systems, commercial buildings and anything with a long or hidden pipe route are normally surveyed first. Either way, the quote is fixed before anything goes ahead.
About our air source heat pumps in Underhill
Air-to-air heat pumps can qualify for a £2,500 Boiler Upgrade Scheme grant, but only in some cases. It has to replace the fossil-fuel heating, cover the whole heating demand, be fitted by an MCS certified installer and be in a home, so an add-on next to a boiler is not eligible. If you’re dealing with an oil, LPG or gas boiler near the end of its life and plans to switch to electric heating with a heat pump, we can help.
Terraced houses in a London area like Underhill can suit a heat pump well, as long as there’s a sensible spot for the outdoor unit and its noise is checked against the MCS planning standard.
Looking after a system is mostly common sense: clear space around the outdoor unit, the cleaning the manual describes and a service at the recommended interval. It also keeps you on the right side of any warranty terms that ask for servicing.
- Where
- Underhill (EN5, N20)
- Wider area
- Greater London
- Guide price
- Air-to-water £8,000–£16,000 before any grant (0% VAT for homes)
- Certified
- F-Gas certified company, NICEIC approved, MCS
- Quotes
- Fixed-price quote after a site survey
- Phone
- 07833 053749
- Updated
- 30 October 2026
Looking after it afterwards
Here’s the after-treatment advice, in brief:
- Keep to regular servicing
- Use the settings explained at handover
- Keep the MCS certificate with the manufacturer’s paperwork
If you were eligible for a grant, we handle the application and keep you updated, as the installer applies for it.
Leave space around the outdoor unit. It needs good airflow to collect heat from outside so keep it unobstructed.
Nearby places to Underhill
What else we do in Underhill
How it works
Each visit runs to the same pattern: agree the plan on site, put the dust sheets down, do the work, check the system 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. A few pictures of the room, the outside wall and the fuse board help us plan a job in Underhill.
- First we find out about the property, the heating you have now and what you’re hoping for.
- A heat loss survey works out how much heat each room needs, and we look at the radiators, the cylinder space and where the outdoor unit could go.
- A fixed-price quote follows, setting out the system, any grant that applies and the VAT.
- The outdoor unit, the indoor equipment and the controls are installed and connected.
- Commissioning, MCS certification and a handover of the controls finish the job.
Before we arrive
- Give us access to the outside wall, roof or yard where the outdoor unit sits
- Dig out any previous service or F-Gas records
- Name a contact who can meet us at the agreed time
Ask for a quote
VAT is set out clearly on every quote, with the rate that applies to your job. Homes, businesses and different kinds of work can be treated differently for VAT, so we confirm it in writing rather than guess. To get one, ring us on 07833 053749, or email if that’s easier.
Advice
What a heat pump looks like in Underhill
For a London home, the outdoor unit position and the MCS noise check need careful planning.
Period properties close to St John the Baptist Church can suit a heat pump, though insulation and any heritage protection are checked first. Wyllyotts Manor, roughly 3.4 miles north, is a reminder to check your home’s listing status: permitted development does not cover listed buildings.
Underhill is about 1 mile west of Barnet, in Greater London. Underhill gets the same approach as every job we take on: diagnosis first, a fixed price and proper paperwork when we have finished. Our list for Greater London has 764 entries and Underhill is among them. London, roughly 11 miles off, has its own page on this site.
Our nearest recent job to Underhill was on East Hill, Wandsworth (SW18), about 13 miles south: installing a Daikin wall-mounted unit in the open-plan living area.
From Park Road, May's Lane and Manor Road to the smaller roads in between, nowhere is left out. Every address in EN5 and N20 is within our area, from the main roads to the quietest streets. Close to Underhill, our area also takes in Barnet (1 mile east), New Barnet (1 mile east), Monken Hadley (1 mile north), Hadley Wood (1 mile north-east) and Cockfosters (2 miles east). We also work in nearby towns such as London (11 miles south-east), City of Westminster (9 miles south), Marylebone (9 miles south) and Kensington (10 miles south).
Around Underhill
Around Underhill, our work takes us to homes and businesses near Susi Earnshaw Theatre School, Highlands Gardens and The Red Lion pub and the streets around them. For rail, the closest station is New Barnet station, roughly 1 mile east of the centre. A little further out are Francis Skaryna Belarusian Library and Museum (2.2 miles south) and Barnet General Hospital (0.9 miles west). For a walk, there’s Greenhill Gardens and Darland's Lake.
FAQs for Underhill
Can I get the Boiler Upgrade Scheme grant in Underhill?
Yes, if the home and the heat pump meet the scheme’s rules: Underhill is in England, where it applies. The amount depends on the type of heat pump, and the survey confirms which applies. The installer applies, and we’re MCS certified.
Can you fit air conditioning in a London flat in Underhill?
Normally, yes, though leaseholders normally need the freeholder’s agreement. 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.
Will skipping a service affect the warranty?
For some brands, yes. Send us the make and model and we will tell you what the manufacturer expects and stick to the interval they set.
Do you work for landlords and businesses?
Yes. From one rented home to commercial buildings, the approach is the same: survey or diagnosis, a fixed price and proper paperwork.
Are my radiators big enough for a heat pump?
Some radiators may be fine as they are, and some may need to be larger. At the lower temperatures a heat pump uses, radiators need more surface, and the survey checks each one.
What’s the difference between air-to-water and air-to-air heat pumps?
Air-to-water suits homes with radiators and a cylinder; air-to-air suits rooms that need heating and cooling, and we help you choose. Both are part of what we install.
How long will it take to install a heat pump?
The work takes a few days for most air-to-water installations, with air-to-air systems often quicker. The survey lets us set a firm programme, and you can ring us on 07833 053749, or email if that’s easier to book it.
Why act early in Underhill
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. In London, hot spells can bring a rush of calls, so planning the work in Underhill before summer avoids the wait.
The pipe route, the height of the units and how we reach them can all change the price. Each of those is built into the quote and give you a fixed price before any work starts.
What you get with us
- A reply the same working day
- Every job looked at before it’s priced
- Clear warranty information from the manufacturer
- Fixed-price quotes after a survey or pictures
What a customer said
“Very professional from the initial survey through to installation. The engineer explained everything clearly and the quote was exactly what we paid. Would not hesitate to recommend AirCon Doctor.”
David W., Haywards Heath