East Sussex · Heat pump installation

Air Source Heat Pumps in Mayfield

Air source heat pumps for Mayfield and the surrounding area: diagnosis first, then a fixed-price quote, the work and written records. Ask us for a fixed-price quote.

  • Finding a place for the outdoor unit
  • Questions about the Boiler Upgrade Scheme
  • No space for a hot water cylinder

Air source heat pumps across Mayfield

Mayfield questions

Is the heat pump grant available in Mayfield?

Yes, the scheme covers homes in England, including Mayfield, if they qualify. For an air-to-water heat pump the amount is £7,500; an air-to-air system can get £2,500 if it replaces the fossil-fuel heating outright, meets the home’s full heating demand and is not an add-on to a boiler. We hold MCS certification, so the application is ours to make for you.

Can I fit a heat pump in Mayfield without planning permission?

It depends on the property. Central Mayfield sits inside the Mayfield Conservation Area. A heat pump on a house can be permitted development if it meets the conditions, including the MCS noise check, but not within the grounds of a listed building, and in a conservation area the outdoor unit can’t face a road. Where necessary, we check with the local planning authority (for Mayfield, usually Wealden council).

Do you offer emergency call-outs?

Yes, day and night. When you call, tell us the make, what’s happening and any error code, and we’ll advise on what to do next.

Do you offer maintenance contracts?

Yes. Tell us what you have and how it’s used, and we’ll suggest a schedule with a fixed price. That can include the leak checks the F-gas rules require for larger systems.

Do you provide F-Gas records?

Yes, always. A new system comes with commissioning details, F-Gas records and the manufacturer’s warranty information, and repairs and services get a record of the work.

Is there a survey before the work?

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 does the warranty work?

It’s the manufacturer’s, and the terms are theirs. Some brands make regular servicing a condition, so keep your service records.

Air source heat pumps in Mayfield, done properly

Many air source heat pumps can be installed as permitted development in England, without a planning application. The conditions include an outdoor unit of no more than 1.5 m³ and compliance with MCS 020(a), and the unit cannot be used solely for cooling or sit within the curtilage of a listed building. We check the rules for your property as part of the survey. The work covers air-to-water heat pumps, radiator systems and air-to-air heat pumps, and common reasons people get in touch are choosing between air-to-water and air-to-air and no space for a hot water cylinder.

Space for an outdoor unit is rarely an issue near Mayfield, so the design focuses on heat loss and radiators.

Warranty periods vary by brand and by product. Daikin, for example, gives a standard 2 years on split air conditioning, with longer extensions only on its air-to-water heat pumps. For any other brand, we explain the manufacturer’s terms on your quote.

Where
Mayfield (TN20)
Wider area
East Sussex
Pricing
A fixed price before any work starts
Accreditations
F-Gas certified, NICEIC approved, MCS
Guide price
Air-to-water £8,000–£16,000 before any grant (0% VAT for homes)
Response
On the working day you ask
Phone
07833 053749
Page updated
30 October 2026

What a heat pump looks like in Mayfield

About 42% of homes in and around Mayfield were built before 1919, according to Valuation Office Agency council tax records, and the 2021 Census found about 75% of households in detached or semi-detached houses. In older homes, the heat loss calculation is especially important, as solid walls and draughts change the size of heat pump needed. Detached and semi-detached houses usually have room for the outdoor unit and a cylinder.

Live in one of the older houses around Church of St. Dunstan? Expect the survey to look closely at heat loss and at the building’s planning status.

Mayfield is about 5 miles south-east of Crowborough, in East Sussex. Our engineers cover Mayfield for air source heat pumps, along with the rest of East Sussex. 289 places in East Sussex are on our list, from busy centres to quieter spots. East Grinstead, roughly 14 miles off, has its own page on this site.

Our nearest recent job to Mayfield was on Station Road, Heathfield (TN21), about 4 miles south: installing three LG cassette units in the main open-plan office space, which occupies the former school hall with original high ceilings and large Victorian windows.

Whether you are on High Street, Station Road and Star Lane or a nearby road, we can help. We cover every part of the TN20 postcode area and the roads nearby. We also cover the places around Mayfield: Wellbrook (1 mile south-west), Coggins Mill (1 mile north-east), Woolbridge (1 mile west), Argos Hill (1 mile north-west) and Rusher's Cross (2 miles north-east). Further out, we also cover Bexhill-on-Sea (15 miles south-east), Lewes (15 miles south-west), Hailsham (11 miles south) and Crowborough (5 miles north-west).

Local landmarks in Mayfield

In Mayfield, that means homes and buildings near St Leonards-Mayfield School and The Royal Oak Inn. The nearest railway station is Crowborough station, about 3.6 miles north-west of the centre. Well-known places in the area include Crowborough War Memorial Hospital (5 miles north-west). For a walk, there’s Crowborough Country Park.

Map of Mayfield © OpenStreetMap contributors

Signs you need air source heat pumps in Mayfield

Many enquiries start with a question about the Boiler Upgrade Scheme. Whether you can get the grant depends on your home and the scheme conditions and we confirm it before you go ahead.

Most people get in touch after spotting one of these:

  • Deciding which kind of heat pump suits the home
  • Checking emitters for a heat pump
  • Planning and permitted development questions

With Wadhurst Castle about 4.3 miles north-east, it’s worth asking whether your own home is listed before planning a heat pump.

Questions to ask before booking

  • Whether the quote is a fixed price
  • Which brand and model they’re proposing, and why
  • Which VAT rate the quote uses, and why

How to choose an air conditioning engineer

After we’ve gone

To keep the system working properly:

  • Check what your manufacturer’s warranty asks of you
  • Store the MCS certificate and warranty documents together
  • Don’t block radiators or indoor units with furniture

If you were eligible for a grant, we handle the application and keep you updated since the grant goes through the installer.

Heat pumps prefer steady, low-temperature running, using the settings agreed at handover.

The process

The visit goes in the diary at a time that works for you, and we keep you posted if anything changes. When we arrive, we check the job against the survey or the photos you sent. Anything unexpected is raised with you before we go further. From there, the work 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. A few pictures help us make the most of a visit to Mayfield.

  1. First we talk through the property and the current system.
  2. We measure heat loss for every room.
  3. From those figures we size the heat pump and decide on radiators, cylinder and outdoor position.
  4. Cost, grant and VAT appear on one fixed-price quote.
  5. Then it’s fitted, commissioned and registered with MCS.

Getting ready for the visit

  • Mention any managing agent or landlord rules we need to follow
  • Have the make and model of any existing unit to hand
  • Tell us about parking and loading

Getting a quote

Photos are enough for some jobs; others need a visit first. Bigger systems, commercial sites and awkward pipe routes are normally surveyed on site. Either way, the quote is fixed before anything goes ahead.

Ask for a quote

Advice

Safe owner checks

Refrigerant is off limits for anyone without the right qualifications. Under the F-gas rules, engineers need their own qualifications and the company must be certified, and refrigerant lines can cause cold burns. If you suspect a leak, switch the system off and call us.

Owners can handle the everyday basics: keep the outdoor unit clear of leaves, plants and clutter, check the settings and the remote, and follow the cleaning the manual describes. Opening up the units, the electrics and the refrigerant circuit are a job for us.

From one of our customers

“Excellent service from start to finish. Two wall-mounted units installed in our home. Clean, tidy work: they protected all the floors and left no mess. The systems work brilliantly. Would highly recommend.”

Sarah M., East Grinstead

F-Gas certified companyRefrigerant work done and recorded properly
NICEIC approvedElectrical work certified
MCS certifiedHeat pump installations
Checkatrade memberVetted trade directory
24/7 emergency lineBased in East Grinstead