Hertfordshire · Heat pump installation

Air Source Heat Pumps in High Wych

We cover High Wych for air source heat pumps. A look at the job first, a fixed-price quote and written records at the end.

  • Questions about listed buildings or conservation areas
  • Questions about the Boiler Upgrade Scheme
  • Working out where a cylinder could go

Air source heat pumps for High Wych

Air source heat pumps in High Wych: the local picture

About 40% of homes in and around High Wych date from 1945 to 1972, according to VOA council tax data, and the last census (2021) found about 62% of households in detached or semi-detached houses. Whether the walls and loft have been insulated makes a real difference to the heat pump size for homes of that period. Houses typically have space for an outdoor unit and a hot water cylinder.

Much Hadham Palace, roughly 3.9 miles north-west, is a reminder to check your home’s listing status: permitted development does not cover listed buildings. Older homes near Parish Church of St James the Great may need extra checks for planning and heat loss before a heat pump is designed.

High Wych is about 3 miles north of Harlow, in Hertfordshire. From the centre of High Wych to the outskirts, our engineers cover air source heat pumps, from a single room to a whole building. Across Hertfordshire, we cover 381 places, High Wych among them. London, roughly 23 miles off, has its own page on this site.

Jobs in CM21 are looked at, quoted and booked the same way as anywhere else. Streets in the area include Mansfield, High Wych Lane and Broadfields, each of them within reach. Places around High Wych that are also on our list: Sawbridgeworth (1 mile east), Lower Sheering (2 miles east), Allen's Green (2 miles north), Spellbrook (2 miles north-east) and Sheering (3 miles east). We also work in nearby towns such as Stevenage (15 miles north-west), Bishop's Stortford (4 miles north), Welwyn Garden City (14 miles west) and Hoddesdon (7 miles south-west).

What’s near High Wych

Locally, jobs take us to houses, flats and workplaces close to The Half Moon Public House, Leventhorpe and Gibberd Garden and the streets around them. High Wych’s nearest station is Harlow Mill station, roughly 1.3 miles south. Other landmarks nearby include Harlow Mill (1.3 miles south) and Princess Alexandra Hospital (3 miles south-west). The countryside around High Wych includes Sawbridgeworth Marsh.

Map of High Wych © OpenStreetMap contributors

How we handle air source heat pumps in High Wych

Air source heat pumps collect heat from outdoor air and bring it inside with electricity running the compressor and fans. It works on the same principle as air conditioning, run the other way, and air-to-air heat pumps are sometimes simply called air conditioning. The work covers air-to-water heat pumps, hot water cylinders and underfloor heating, and the jobs we see most are questions about where the outdoor unit can go and radiators that may be too small for a heat pump.

Space for an outdoor unit is rarely an issue near High Wych, so the design comes down to heat loss, radiators and hot water.

For a fault on a system that may still be under warranty, send us the make, model and installation date. We will explain how the manufacturer’s terms are likely to apply before any chargeable work goes ahead.

Location
High Wych (CM21)
Region
Hertfordshire
Accreditations
NICEIC and F-Gas, MCS
Pricing
Fixed-price quote after a site survey
Guide price
£8,000–£16,000 before the grant, 0% VAT on homes
Replies
We reply the same working day
Telephone
07833 053749
Page updated
30 October 2026

Why it’s worth doing now in High Wych

The extra £1,500 for homes heated by oil or LPG with no mains gas is available until March 2027. If that applies to you, it’s worth asking about sooner rather than later. Waiting rarely makes an air conditioning problem smaller.

Leaving a fault or an overdue service rarely makes the work cheaper. Small problems, from blocked filters to slow leaks, tend to get worse, and a struggling system uses more electricity to do less. If you’re unsure, ring 07833 053749, or email if that’s easier for straight advice and a fixed price.

What you get with us

  • F-Gas company certification
  • Warranty terms set out brand by brand
  • Emergency calls taken 24/7
  • A reply the same working day

Read what air conditioning costs or our accreditations and certificates.

Managing agents and facilities teams in High Wych

Where a tenant occupies the property but the landlord owns the system, the lease or tenancy agreement normally sets out who maintains what. We can quote either party, and the paperwork can go to both.

We work for landlords, letting agents and managing agents as well as homeowners and businesses. Let us know who will give us access and who the records should go to, and we’ll keep everyone informed.

Aftercare tips

After the visit, a few habits help:

  • Seal draughts where you can
  • Keep the MCS certificate with the manufacturer’s paperwork
  • Leave space around the outdoor unit

Equipment warranties come from the manufacturer. We go through the conditions with you, including any servicing they ask for.

Have the system serviced regularly. Your manufacturer’s warranty terms may say something about servicing.

FAQs for High Wych

Is planning permission needed for a heat pump in High Wych?

It comes down to the building and the spot chosen for the outdoor unit. Central High Wych is a short walk from the High Wych 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 East Hertfordshire council, which is normally the planning authority for High Wych.

Can I get the Boiler Upgrade Scheme grant in High Wych?

High Wych is covered, as the scheme runs across England and Wales. Air-to-water and ground source systems attract £7,500. Air-to-air gets £2,500, but only where it takes over from fossil-fuel heating and covers the whole home’s heating demand. You don’t apply yourself: the MCS certified installer does, which is us.

Can I do any of the installation myself?

The refrigerant side has to be done by a qualified engineer working for an F-Gas certified company. That’s a legal requirement, and it also matters for the manufacturer’s warranty. We can quote for the whole job, from supply to commissioning.

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

That depends on the brand. If servicing is in the terms, missing one could affect a claim and we’ll tell you what your brand asks for.

Can landlords and managing agents book you?

Yes. From one rented home to commercial buildings, the approach is the same: survey or diagnosis, a fixed price and proper paperwork.

Do you work on systems someone else installed?

Yes. We look at it first and tell you what we find, including any issues with how it was fitted. You get a fixed price before any work goes ahead.

Will my radiators work with a heat pump?

Some radiators may be fine as they are, and some may need to be larger. At the lower temperatures a heat pump uses, radiators need more surface so we check every radiator against the room’s heat loss.

How the visit works

Our engineers bring the tools, gauges and access equipment the job needs. All we ask is clear access to the units, or to where they’ll go, and to the consumer unit. The visit takes a few days on site, depending on the cylinder, the radiators and the pipework involved. Seeing the property in photos first means the trip to High Wych can be planned properly.

  1. You tell us about the home and what you want from a heat pump.
  2. We survey for heat loss and look at radiators, cylinder space and outdoor unit options.
  3. We recommend air-to-water or air-to-air and check the grant position.
  4. We install the heat pump and connect it up.
  5. We commission it, complete the MCS certificate and show you how to use it.

Getting ready for the visit

  • Let us know if the building has a permit or sign-in process
  • Move furniture away from the wall where we will be working
  • Have the make and model of any existing unit to hand

Ask for a quote

For air source heat pumps in High Wych, call us on 07833 053749 or email us. Let us know the type of property and what you need, and send a few photos if you can. Enquiries get a reply the same working day.

Ask for a quote

Advice

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