Greater London · Heat pump installation
Air Source Heat Pumps in St Mary Cray
For heat pump installation in St Mary Cray, choose an F-Gas certified, NICEIC approved company. Fixed-price quotes and a 24/7 emergency line.
- Plans to switch to electric heating with a heat pump
- Questions about the Boiler Upgrade Scheme
- Ageing boilers that will need replacing
What air conditioning will not do
Before booking, it helps to know what’s not included:
- Tax advice on your own circumstances
- Insulation work, such as loft or cavity wall insulation
- Promising eligibility for the Boiler Upgrade Scheme
If you’re not sure, just give us a ring on 07833 053749 or write to us at info@aircondoctor.co.uk and we will give you a straight answer.
What we work on in St Mary Cray
- Air-to-air heat pumps
- Hot water cylinders
- Underfloor heating
- Air-to-water heat pumps
- Radiator systems
- Homes heated by oil, LPG or gas
Air source heat pumps for homes and businesses in St Mary Cray
Air-to-water heat pumps heat your hot water through a cylinder. Homes with a combi boiler may not have a cylinder, so finding space for one is part of the survey. With air-to-air, hot water has to come from something else. If the problem is wanting to stop using oil, LPG or gas for heating and planning and permitted development questions, we can sort it out.
For flats in St Mary Cray, the lease, the freeholder and the rules for flats all come into it. The planning rules for flats are stricter than for houses, so we check the position before we design.
Any work on the refrigerant circuit is recorded: the work carried out, the refrigerant involved and the quantities. Keep the records with the manual and the warranty documents, ready for the next service or a warranty query.
- Where
- St Mary Cray (BR5, BR6, BR7)
- Wider area
- Greater London
- Approvals
- F-Gas certified, NICEIC approved, MCS
- Quote
- Fixed, in writing
- Response
- Answered the same working day
- Costs
- £8,000–£16,000 before the grant, 0% VAT on homes
- Telephone
- 07833 053749
- Last updated
- 30 October 2026
Let and managed properties
Larger air conditioning systems in buildings need more than servicing: systems with an effective rated output over 12 kW need a TM44 inspection by an accredited energy assessor at least every 5 years. We arrange the inspection, get the system ready and put right anything it picks up.
If you look after several properties, we can plan visits across the portfolio and price them together. Every address has its own paperwork, so the files stay tidy.
Homes in St Mary Cray and heat pumps
About 42% of homes in and around St Mary Cray date from 1945 to 1972, according to Valuation Office Agency council tax records. For homes of that age, the survey checks the insulation, the radiators and the hot water setup. For a London home, the outdoor unit position and the MCS noise check need careful planning.
Bromley Palace, roughly 3.8 miles west, is a reminder to check your home’s listing status: permitted development doesn’t cover listed buildings. Older homes near Church of St Mary may need extra checks for planning and heat loss before a heat pump is designed.
St Mary Cray is about 11 miles south-east of London, in Greater London. From the centre of St Mary Cray to the outskirts, we cover air source heat pumps, from small jobs to large ones. We cover 764 places across Greater London, large and small.
Not far from St Mary Cray, a recent job of ours was on Station Road, Orpington (BR6), about 1 mile south: installing three Daikin cassette units in the main office area and a wall-mounted unit in the client meeting room.
If your postcode is in BR5, BR6 and BR7, the property is within reach. New Road, Kent Road and Park Road and the roads off them are all inside our area. We also cover Poverest (1 mile south-west), St Paul's Cray (1 mile north), Orpington (1 mile south), Derry Downs (1 mile south-east) and Kevington (1 mile east). Further out, we also cover London (11 miles north-west), City of Westminster (14 miles north-west), Marylebone (14 miles north-west) and Kensington (15 miles north-west).
Near you in St Mary Cray
Locally, jobs take us to houses, flats and workplaces close to Harris Academy Orpington, The Blue Anchor Public House and Walsingham School, among other places. There’s a railway station in St Mary Cray itself: St Mary Cray station. Well-known places in the area include London Borough of Bromley Museum (0.9 miles south) and Lullingstone Castle (4.5 miles south-east). Not far away are Summer Hill and The Warren.
What happens on the day
The work area is kept tidy throughout, with dust sheets down and offcuts and packaging cleared up. If we need to drill through a wall, we agree the spot with you first. The visit takes anything from a couple of days for air-to-air to the best part of a week for air-to-water with radiator changes. Photos of the room and where the outdoor unit could go let us plan most of a visit to St Mary Cray in advance.
- We find out about your home and the heating you have now.
- A heat loss survey is carried out, room by room.
- We design the system, check the radiators and cylinder and look at the outdoor unit position.
- A fixed-price quote explains the cost, the grant position and the VAT.
- Installation, commissioning and MCS registration complete the job.
Preparing for the visit
- Tell us about any building rules, permits or sign-in
- Have the make and model of any existing unit to hand
- Arrange for someone to be there to let us in
Getting a price
Quotes don’t take long. Call or email with a few details and we’ll come back to you the same working day. Where a survey is needed, we arrange a time that suits you.
Related advice
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FAQs for St Mary Cray
Can you fit air conditioning in a London flat in St Mary Cray?
In many cases, yes, once the lease and the building’s rules are checked. Permitted development rules for flats are tighter than for houses, so we check the outdoor unit position and give you the details to send to the freeholder or managing agent.
Does the Boiler Upgrade Scheme cover homes in St Mary Cray?
St Mary Cray is covered, as the scheme runs across England and Wales. The amount depends on the type of heat pump, and the survey confirms which applies. You don’t apply yourself: the MCS certified installer does, which is us.
How much does an air source heat pump cost?
For air-to-water, it’s £8,000–£16,000 (0% VAT on homes) before any Boiler Upgrade Scheme grant. Air-to-air prices are set after a survey, and we confirm the VAT on the quote.
Can you look at a system you didn’t fit?
Yes. We start with a proper look and tell you honestly what we find, including any issues with how it was fitted. You get a fixed price before any work goes ahead.
Do I need to service the system to keep the warranty?
Each manufacturer decides. Where servicing is a condition, a missed service could give the manufacturer grounds to refuse a claim and we will tell you what your brand asks for.
What does F-Gas certified mean?
Anyone installing, repairing or servicing the refrigerant side must be qualified, and their company certified. It’s worth checking before booking, and we’re happy to show ours.
Do you cover St Mary Cray?
Yes. We work in St Mary Cray and across Greater London, within the London and South East area we cover. For a fixed-price quote, ring us on 07833 053749 or email us.
Fixed-price quotes for air source heat pumps in St Mary Cray
Some jobs are bigger than they look, and some smaller. The main factors:
- Whether it’s a one-off job or part of a maintenance contract
- How many units are involved
- What electrical work the job needs
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 make a difference.
Before you get in touch
When you call or email, it’s useful to have:
- A photo of the consumer unit with the cover closed
- A short video of any fault, such as a noise or a flashing light
- The rating plate or label on any existing unit
Some jobs can be priced from pictures, 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, you get a fixed price before any work is booked.
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