Kent · Heat pump installation
Heat pump installation in Coldharbour, Kent
For heat pump installation in Coldharbour, one call is all it takes: diagnosis, fixed price, work and sign-off. F-Gas certified, NICEIC approved and Checkatrade members.
- Radiators that may be too small for a heat pump
- Checking whether planning permission is needed
- Replacing a combi boiler with a heat pump
How it works
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. On site, it takes a few days for most air-to-water installations, with air-to-air systems often quicker. Photos of the existing unit help with repairs and servicing in Coldharbour.
- You tell us about the home and what you want from a heat pump.
- We survey for heat loss and look at radiators, cylinder space and outdoor unit options.
- We explain which type of heat pump suits the home and whether a grant could apply.
- The system is installed and connected to the controls.
- We commission it, complete the MCS certificate and show you how to use it.
Preparing for the visit
- Give us access to the outside wall, roof or yard where the outdoor unit sits
- Clear access to the fuse board
- Tell us about access, such as roof hatches, high walls or locked plant areas
Getting a price
The quickest way to a quote is to send photos: the inside and outside of the property where the work is, plus the rating plate of any unit already there. Tell us the address and what you need, and many jobs can be priced from that.
Advice
How we handle air source heat pumps in Coldharbour
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; adding it alongside a boiler doesn’t qualify. If you’re dealing with moving away from fossil-fuel heating and not knowing whether a grant applies, we can help.
Space for an outdoor unit is rarely an issue near Coldharbour, so the design focuses on heat loss and radiators.
AirCon Doctor is an F-Gas certified company and NICEIC approved for electrical work, MCS certified for heat pumps and a Checkatrade member. Our engineers hold the F-gas qualifications needed to work on refrigerant.
- Place
- Coldharbour (TN11)
- Wider area
- Kent
- Certified
- NICEIC approved, F-Gas certified, MCS
- Prices
- £8,000–£16,000 before the grant, 0% VAT on homes
- Quotes
- Fixed after a survey or pictures
- Phone
- 07833 053749
- Page updated
- 30 October 2026
What affects the cost of air source heat pumps
Before we fix a price, we need to know a few things. We check:
- A single visit or a regular plan
- The size of the job
- Whether it’s a simple split or a larger system
Whatever the property, the quote works the same way: the equipment, the access, the work involved and the time it takes. Call for a fixed-price quote and we will go through it with you.
What we need to know
When you contact us, it’s useful to have:
- Your consumer unit or fuse board
- The rating plate or label on any existing unit
- The outside wall, roof or yard where the outdoor unit sits or would go
Some jobs can be priced from photos, while others need a survey. Bigger systems, commercial sites and awkward pipe routes are normally surveyed on site. Either way, you get a fixed price before any work is booked.
Questions from Coldharbour
Does the Boiler Upgrade Scheme cover homes in Coldharbour?
Coldharbour is in England, where the Boiler Upgrade Scheme runs. The amount depends on the type of heat pump, and the survey confirms which applies. The installer applies, and we are MCS certified.
Is Coldharbour within the area you cover?
Yes, and the size of the place makes no difference to how we work. Visits to smaller places are planned so the engineer arrives with what the job needs.
Do you work on all makes?
Mitsubishi Electric, Daikin, Fujitsu, Panasonic, Toshiba, LG, Samsung, Mitsubishi Heavy Industries, Hitachi and others. For new systems, we recommend a brand and model to suit the job and explain why.
Do you look at the job first?
Yes, always. Diagnosis comes before treatment: the survey shows what’s needed, where things go and what access we need and the fixed price is built on it.
Will I get records for the system?
Yes, on every job. New installations come with commissioning details, F-Gas records and warranty information, and repairs and services get a record of the work.
How much time does a heat pump install need?
A typical installation 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. The programme is planned to keep time without heating short and agreed before any work starts.
Why does F-Gas certification matter?
The law says any company working on equipment containing F gas has to be certified, and the engineers need their own qualifications. It means the refrigerant in your system is handled legally.
Nearby places to Coldharbour
Other services in Coldharbour
Landlords, agents and facilities managers
For anyone managing more than one building, we can plan visits across the portfolio and price them together. Every address has its own paperwork, so the files stay tidy.
Bigger systems bring extra duties: 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.
Air source heat pumps around Coldharbour
The centre of Coldharbour lies within the Coldharbour, Hildenborough Conservation Area. Where a home is affected, the outdoor unit position is settled with the local planning authority (usually Tonbridge and Malling council) before the heat pump design is finished. Valuation Office Agency council tax records date about 71% of homes across Coldharbour and its surrounding area to the post-war years, 1945 to 1972, and about 69% of households live in detached or semi-detached houses, according to the last census (2021). Whether the walls and loft have been insulated makes a real difference to the heat pump size for homes of that period. Finding room for the outdoor unit and a cylinder is seldom a problem in homes like these.
Period properties close to Parish Church of St John can suit a heat pump, though insulation and any heritage protection are checked first. Ightham Mote, roughly 2.2 miles north, is a reminder to check your home’s listing status: permitted development doesn’t cover listed buildings.
Coldharbour is about 2 miles north of Tonbridge, in Kent. Our engineers cover Coldharbour for air source heat pumps, along with the rest of Kent. In Kent alone we list 922 places, and Coldharbour is one. For properties nearby, see our East Grinstead page (14 miles or so).
Our nearest recent job to Coldharbour was on Granville Road, Oxted (RH8), about 11 miles west: installing a Mitsubishi Electric wall-mounted unit in the home gym and a second unit in the master bedroom.
Postcode districts we cover here: TN11. Neighbouring places we cover include Hildenborough (1 mile south-west), Hilden Park (1 mile south), Watt's Cross (1 mile west), Budds (1 mile north) and Stocks Green (2 miles south-west). We also work in nearby towns such as Maidstone (12 miles east), Dartford (15 miles north), Sevenoaks (5 miles north-west) and Royal Tunbridge Wells (6 miles south).
Near you in Coldharbour
In Coldharbour, that means homes and buildings near Hugh Christie Technology College and The Flying Dutchman Public House, among other places. For rail, the closest station is Hildenborough station, about 1.6 miles south-west of the centre. Other landmarks nearby include Tonbridge Castle (2.2 miles south) and The Milne Museum (2 miles south). The countryside around Coldharbour includes Tudeley Woods RSPB reserve and Barden Lake.
Aftercare tips
Here’s the after-treatment advice, in brief:
- Do not block radiators or indoor units with furniture
- Keep up with insulation and draught-proofing
- Diary the next service
The warranty on the heat pump is the manufacturer’s, on its own terms. We explain the terms for your brand, including any servicing conditions.
Let the heat pump run steadily rather than switching it on and off, using the settings agreed at handover.
A customer’s words
“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