Essex · Heat pump installation
Heat pump installers in Great Dunmow
Expert air source heat pumps for Great Dunmow: diagnosis first, then a fixed-price quote, the work and written records. Ask us for a fixed-price quote.
- Working out whether radiators need upsizing
- Not knowing whether a grant applies
- Ageing boilers that will need replacing
Air source heat pumps in Great Dunmow
A £2,500 grant is available for some air-to-air heat pumps, with conditions. The system must replace the existing fossil-fuel heating and meet the home’s full heating demand, it must be installed by an MCS certified installer, and it must be in a home, so an add-on next to a boiler is not eligible. Common call-outs are for deciding on the outdoor unit position and deciding which kind of heat pump suits the home, across radiator systems, homes heated by oil, LPG or gas and air-to-air heat pumps.
For a house near Great Dunmow, space outside is rarely the problem, so the main questions are heat loss, radiators and the electrics.
Any work on the refrigerant circuit is recorded: the work carried out, the refrigerant involved and the quantities. File them with the system’s paperwork, as a manufacturer or a future engineer may ask to see them.
- Place
- Great Dunmow (CM6)
- Wider area
- Essex
- Enquiries
- We reply the same working day
- Typical price
- Air-to-water £8,000–£16,000 before any grant (0% VAT for homes)
- Quote
- A fixed price before we start
- Approvals
- F-Gas certified, NICEIC approved, MCS
- Telephone
- 07833 053749
- Reviewed
- 30 October 2026
Owner checks or an engineer?
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.
Write down what you notice: an error code, a new noise, a drip, a smell or a change in how well the system heats or cools. It helps us diagnose quickly, and a photo of the display helps even more.
What a heat pump looks like in Great Dunmow
About 44% of homes in Great Dunmow and the neighbourhoods around it have been built since 2000, according to VOA council tax data, and the last census (2021) found about 63% of households in detached or semi-detached houses. Better insulated, newer homes are often a good match for a heat pump. Finding room for the outdoor unit and a cylinder is seldom a problem in homes like these.
A heat loss calculation decides the size of heat pump your home needs. Older homes near Parish Church of St Mary the Virgin may need extra checks for planning and heat loss before a heat pump is designed.
Great Dunmow is about 9 miles west of Braintree, in Essex. Whatever kind of property you have in Great Dunmow, we can help with air source heat pumps. You will hear back from us the same working day and our emergency line runs 24/7. Great Dunmow is one of 644 towns, villages and districts in Essex we cover. We also work in London, about 32 miles from Great Dunmow.
If your postcode is in CM6, you are inside the area we cover. The B1008 and B1057 pass through or close to Great Dunmow, which keeps journeys to surveys and visits simple. If you are just outside Great Dunmow, we cover Church End (1 mile north-east), Little Easton (2 miles north-west), Barnston (2 miles south-east), High Roding (3 miles south-west) and Great Canfield (3 miles south-west). We also work in nearby towns such as Chelmsford (11 miles south-east), Braintree (9 miles east), Harlow (13 miles south-west) and Witham (13 miles south-east).
Around Great Dunmow
Locally, jobs take us to houses, flats and workplaces close to Helena Romanes School and Sixth Form Centre and The Chequers Public House. The closest station to Great Dunmow is Stansted Airport station, about 4.3 miles west of the centre. Other landmarks nearby include Little Easton Moat (1.6 miles north-west).
Places near Great Dunmow
Also in Great Dunmow
What air source heat pumps can’t fix
Before you book, it helps to know what’s not included:
- Getting planning permission or listed building consent on your behalf
- Tax rulings, which only HMRC can give
- A grant for a home that doesn’t meet the scheme rules
If in doubt, ring 07833 053749 or email us and we will say what we think.
Where we work
- Homes heated by oil, LPG or gas
- Radiator systems
- Underfloor heating
- Hot water cylinders
- Air-to-air heat pumps
- Air-to-water heat pumps
Great Dunmow questions
Does the Boiler Upgrade Scheme cover homes in Great Dunmow?
Yes, the scheme covers homes in England, including Great Dunmow, if they qualify. Whether your home qualifies, and for how much, depends on the type of heat pump and the heating it replaces. You do not apply yourself: the MCS certified installer does, which is us.
Is a heat pump in Great Dunmow permitted development?
The answer turns on the property and where the outdoor unit would sit. Central Great Dunmow sits inside the Great Dunmow Conservation Area. On a house, an air source heat pump can often go ahead under permitted development, with an outdoor unit of no more than 1.5 cubic metres and an installation that meets MCS 020(a), which includes a noise check. Those rights don’t reach the grounds of a listed building, and conservation areas rule out walls or roofs facing a road. If that might affect you, we ask the local planning authority (for Great Dunmow, typically Uttlesford council).
How does the warranty work?
It’s the manufacturer’s warranty, which varies by brand. For example, Daikin’s standard warranty on split air conditioning is 2 years, and we explain the terms for whichever brand you choose.
What’s the difference between air-to-water and air-to-air heat pumps?
Air-to-water replaces the boiler for heating and hot water, while air-to-air heats and cools rooms, and we help you choose. Both are part of what we install.
What accreditations do you have?
F-Gas company certification, NICEIC approval for electrical work and MCS certification for heat pumps, plus Checkatrade membership. Our engineers also hold the individual F-gas qualifications needed to work on refrigerant.
Can I do the refrigerant work myself?
Anything that involves the refrigerant needs an F-Gas qualified engineer from a certified company. That’s a legal requirement, and manufacturers expect it for their warranty too. We are happy to quote for the full job, supply to commissioning.
Do I get paperwork after the visit?
Yes. Every visit is written up, and any work on the refrigerant circuit goes in the F-Gas records. Keep them with the manual and the warranty documents.
How the job changes from property to property
Radiators and underfloor heating
Any radiator changes are set out in the quote, so the work is clear.
Heat loss surveys
Without a proper survey, a heat pump can be too big or too small and that matters for comfort and running.
How it works
We book the visit for a day and time that suit you, and we keep you posted if anything changes. When we arrive, we check the job against the survey or the pictures you sent. Anything unexpected is raised with you before we go further. From there, the work takes from a couple of days to around a week, depending on the system and how much of the heating changes. We load the van from the survey notes so the work in Great Dunmow can be done in one go where possible.
- First we find out about the property, the heating you have now and what you’re hoping for.
- We survey the home room by room for heat loss, and check the emitters, hot water and outdoor unit position.
- You get a fixed-price quote, with any grant you are eligible for and the VAT explained.
- Installation covers the outdoor unit, the indoor connections and the controls.
- We commission the heat pump, complete the MCS paperwork and talk you through the controls.
Getting ready for the visit
- Make sure someone can let us in at the agreed time
- Move furniture away from the wall where we’ll be working
- Let us know where the consumer unit is
Getting a quote
The quickest way to a quote is to send pictures: the room or the existing unit, the outside wall or roof where the outdoor unit sits or would go, and the label on any existing unit. Tell us the address and what you need, and simple jobs can often be priced without a visit.
Advice
What a customer said
“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