Essex · Heat pump installation

Air Source Heat Pumps in Coalhill

Looking for air source heat pumps in Coalhill? We diagnose first, fix the price and book the work around you, then sign it off with written records.

  • Plans to switch to electric heating with a heat pump
  • A boiler that’s getting old
  • Questions about where the outdoor unit can go

Air source heat pumps in Coalhill

Your questions about air source heat pumps in Coalhill

Do you cover smaller places like Coalhill?

Yes. Coalhill is within the area we cover across London and the South East. Visits to smaller places are planned so the engineer arrives with what the job needs.

Does the Boiler Upgrade Scheme cover homes in Coalhill?

Coalhill is covered, as the scheme runs across England and Wales. 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. As an MCS certified installer, we apply for it on your behalf.

Do I need to service the system to keep the warranty?

Check the manufacturer’s terms. Some warranty terms require the system to be serviced regularly by a qualified engineer, so it’s worth checking. Keep every service record either way.

What warranty do I get?

It’s the manufacturer’s, and the terms are theirs. Some terms depend on regular servicing by a qualified engineer so it’s worth keeping the service records.

Can you come out in an emergency?

Yes, any time. If something urgent happens, like water coming from a unit or a critical room overheating, call our 24/7 line and we will agree what happens next.

Are my radiators big enough for a heat pump?

It varies from room to room. The survey compares each radiator with the room’s needs and the quote shows what’s needed.

Why does F-Gas certification matter?

Companies working on equipment that contains F gas must be certified by an approved body, and the engineers need their own qualifications. It’s how you know the refrigerant is being handled legally and safely.

How we handle air source heat pumps in Coalhill

We begin with a room-by-room heat loss survey. It shows how much heat each room needs on a cold day so the system is sized to match. Guesswork leads to systems that are too big or too small. The work covers underfloor heating, radiator systems and air-to-air heat pumps, and people most often call us about working out whether radiators need upsizing and comparing heat pump types.

For a home around Coalhill that’s off mains gas and heated by oil or LPG, the Boiler Upgrade Scheme adds an extra £1,500 until March 2027 for an air source or ground source heat pump, on top of the £7,500.

We are an F-Gas certified company, 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
Coalhill (CM3)
Wider area
Essex
Quote
Fixed-price quote after a site survey
Approvals
F-Gas certified, NICEIC approved, MCS
Costs
£8,000–£16,000 (0% VAT on homes), before the grant
Telephone
07833 053749
Page updated
30 October 2026

When something else is needed

A few issues sit outside what this work can do:

  • Tax advice on your own circumstances
  • Planning approval where permitted development does not apply
  • Improving the building’s insulation

Not sure which it is? You can phone us on 07833 053749 or send an email and we will tell you honestly before you book.

Parts of the system we cover

  • Radiator systems
  • Underfloor heating
  • Air-to-water heat pumps
  • Homes heated by oil, LPG or gas
  • Hot water cylinders
  • Air-to-air heat pumps

What happens on the day

The first job on site is protection: sheets over the floor and any furniture nearby, and we ask before moving anything. After that, anything electrical is made safe and we start. The work on site takes from a couple of days to around a week, depending on the system and how much of the heating changes, and we clear up before we go. A note on how to find the property and where to park makes a visit to Coalhill easier.

  1. It begins with your house and the heating it relies on now.
  2. Every room’s heat loss is worked out on site.
  3. From those figures we size the heat pump and decide on radiators, cylinder and outdoor position.
  4. You get a fixed price, with any grant and the VAT set out.
  5. We install, commission and register the system under MCS.

Before we arrive

  • Name a contact who can meet us at the agreed time
  • Let us know if the building has a permit or sign-in process
  • Dig out any previous service or F-Gas records

Ask for a quote

VAT is set out clearly on every quote, and the rate that applies to your job is stated. 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 07833 053749 or send an email.

Get a price

Related advice

Heat pumps in Coalhill: local notes

About 37% of homes in Coalhill and the neighbourhoods around it have been built since 2000, according to the Valuation Office Agency’s council tax figures, and about 79% of households live in detached or semi-detached houses, according to the 2021 Census. Newer homes normally lose less heat, which tends to suit a heat pump well. Houses typically have space for an outdoor unit and a hot water cylinder. Historic England lists about 3 buildings and structures within half a mile of the centre of Coalhill, including Stacey's Farmhouse (grade II). Where a home is affected, the outdoor unit position is settled with the planning team at Chelmsford council, which typically handles Coalhill before the heat pump design is finished.

Period properties close to Church of St Peter can suit a heat pump, though insulation and any heritage protection are checked first.

Coalhill is about 3 miles north of Wickford, in Essex. Across the CM3 area, our engineers can take on air source heat pumps. 644 places in Essex are on our list. You can also see our page for Bromley, about 28 miles away.

Streets in the area include South Hanningfield Road and Chalk Street, all of which are in our area. If your postcode is in CM3, you’re inside the area we cover. Places around Coalhill that are also on our list: South Hanningfield (1 mile west), Rettendon (1 mile east), Brock Hill (2 miles south-west), Runwell (2 miles south) and West Hanningfield (2 miles north-west). Within a short drive, we also cover Chelmsford (6 miles north), Basildon (6 miles south-west), Brentwood (10 miles west) and Maldon (8 miles north-east).

Near you in Coalhill

Locally, jobs take us to houses, flats and workplaces close to The Rettendon Bell pub. For rail, the closest station is Battlesbridge station, roughly 2.2 miles south-east. Nearby you will also find Baddow Hospital (4.1 miles north) and Battlesbridge Motorcycle Museum (2.4 miles south-east). Open spaces near Coalhill include Hanningfield Reservoir.

Map of Coalhill © OpenStreetMap contributors

Before you call an engineer

Never try to top up, release or handle refrigerant yourself. 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.

Before you call us about a fault, a few checks can save a visit: is the system in the right mode, is the set temperature sensible, are the remote’s batteries working and has the breaker tripped. If the breaker trips a second time, leave it off and phone us on 07833 053749, or email if that’s easier.

Do you need air source heat pumps in Coalhill?

A common reason is wanting to stop burning gas, oil or LPG. A heat pump runs on electricity and takes heat from the outside air, which is why it fits that aim.

Customers normally contact us after spotting one of these:

  • Deciding which kind of heat pump suits the home
  • Working out whether radiators need upsizing
  • Not knowing whether a grant applies

Historic houses such as Danbury Place, about 4.5 miles north, are a reminder that listed homes need consent before a heat pump goes in.

Before booking anyone

  • Whether you get F-Gas records where refrigerant is involved
  • Whether the electrical work is done by a registered contractor, such as NICEIC approved
  • Whether the quote shows VAT clearly

Choosing an air con installer

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

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