Hertfordshire · Heat pump installation

Heat pump installation in Thorley, Hertfordshire

Looking for air source heat pumps in Thorley? We look at the job first, give you a fixed-price quote and do the work at a time that suits you, then sign it off with written records.

  • Working out where a cylinder could go
  • Wanting to stop using oil, LPG or gas for heating
  • Questions about listed buildings or conservation areas

Air source heat pumps near Thorley

About our air source heat pumps in Thorley

In England, an air source heat pump on a house can often go in under permitted development rights. The conditions include an outdoor unit of no more than 1.5 m³ and compliance with MCS 020(a), and the unit can’t be used solely for cooling or sit within the curtilage of a listed building. We look at the planning position for your home during the survey. The work covers hot water cylinders, air-to-air heat pumps and radiator systems, and the jobs we see most are checking emitters for a heat pump and checking eligibility for a heat pump grant.

Older and listed homes in villages like Thorley need extra care, and permitted development does not cover listed buildings, so we check consent first.

AirCon Doctor is an F-Gas certified company and NICEIC approved for electrical work, with MCS certification for heat pumps and Checkatrade membership. Refrigerant work is done by engineers who hold the F-gas qualifications the law requires.

Where
Thorley (CM23)
Region
Hertfordshire
Pricing
A fixed price before we start
Credentials
F-Gas certified company, NICEIC approved, MCS
Enquiries
Answered the same working day
Guide price
£8,000–£16,000 (0% VAT on homes), before the grant
Phone
07833 053749
Reviewed
30 October 2026

Pricing air source heat pumps in Thorley

The diagnosis comes before the price. The main factors are:

  • The pipe route between the units
  • What kind of system it is
  • The equipment or parts the job needs

Putting the work off seldom saves money. Small problems, from blocked filters to slow leaks, tend to get worse, and a system working harder than it should costs more to run. If you’re unsure, ring us on 07833 053749 or fill in the contact form for straight advice and a fixed price.

What to send for a quote

Photos and a few facts are often enough to price a simple job. Send what you can of the following:

  • Any previous service or F-Gas records
  • Where the outdoor unit is, or where you’d like it
  • The address and the type of property

To get a fixed-price quote, ring us on 07833 053749 or use the quote form and tell us about the property and what you need. Photos help a lot. You’ll hear back from us the same working day.

What happens if it’s left?

From 1 April 2027, VAT on heat pumps in homes rises from 0% to 5%. It’s a date to bear in mind when planning, though the right time also depends on your home and heating. Planning ahead for a job in Thorley means we can bring everything needed.

A single unit or a whole estate, we price it on the same basis: the work involved, the access and the equipment. The price is fixed before work begins, and the quote sets out the VAT.

Why us?

  • We diagnose before we treat
  • Listed on Checkatrade
  • MCS certified for heat pumps
  • Leading brands including Daikin, Mitsubishi Electric and Fujitsu

Take a look at what air conditioning costs and our accreditations and certificates.

What owners can safely do

For air conditioning, cleaning the indoor unit’s filters is the main job owners can do where the manufacturer’s manual explains how. They come out, get a gentle clean and go back only when they’re dry. For a heat pump, the main owner jobs are a clear outdoor unit and sensible control settings.

Keep a note of anything odd: 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 or a short video of the display is even better.

What happens on the day

Our engineers bring the tools, gauges and access equipment the job needs. You only need to give us clear access to the units, or their planned positions, and to the fuse board. On site, the work 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 Thorley.

  1. First, a chat about the property and your goals for the heating.
  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. The system is installed and connected to the controls.
  5. The job ends with commissioning, the MCS certificate and a walk through the controls.

Before we arrive

  • Tell us about any building rules, permits or sign-in
  • Mention any roof access, ladders or high-level work
  • Make sure someone can let us in at the agreed time

Getting a quote

To help us quote: the address and the type of property, a few pictures, the brand and model of anything already fitted and any symptoms, from error codes to drips. Once you have those, give us a ring on 07833 053749 or fill in the contact form.

Ask for a quote

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Thorley questions

Do you cover smaller places like Thorley?

We do. Villages and hamlets get the same service as the bigger towns. Send a few details and pictures, and we reply the same working day.

Can I get the Boiler Upgrade Scheme grant in Thorley?

Thorley 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 isn’t an add-on to a boiler. As an MCS certified installer, we apply for it on your behalf.

How long does a heat pump installation take?

An 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 survey lets us set a firm programme, so give us a ring on 07833 053749 or use the quote form to arrange one.

How quickly will you reply?

We reply to enquiries the same working day. If it’s an emergency, ring the 24/7 line instead.

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.

Which type of heat pump is right for my home?

The right choice depends on the property and what you need. Air-to-water can attract a £7,500 grant where eligible; air-to-air only qualifies for £2,500 under strict conditions, and we set out the options after the survey.

Do you protect the property while you work?

We put dust sheets over floors and furniture near the work first, and the area is kept tidy throughout. At the end, we clear up and show you what we have done.

Air source heat pumps around Thorley

The last census (2021) found about 76% of households in detached or semi-detached houses. Detached and semi-detached houses usually have room for the outdoor unit and a cylinder. Historic England lists about 10 buildings and structures within half a mile of the centre of Thorley, including Parish Church of St James the Great (grade I). That affects heat pumps: listed buildings need consent, and conservation areas limit where the outdoor unit can go under permitted development. Where needed, we check with East Hertfordshire council, typically the planning authority here.

If your home is listed, like Much Hadham Palace about 2.9 miles west, listed building consent comes before any heat pump work. 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.

Thorley is about 1 mile south-west of Bishop's Stortford, in Hertfordshire. Whether you are in the middle of Thorley or further out, we cover air source heat pumps, from small jobs to large ones. Our Hertfordshire coverage runs to 381 places, and Thorley is one of them. London, roughly 26 miles off, has its own page on this site.

Work in CM23 follows the same survey, fixed-price quote and written records as everywhere else we cover. Close to Thorley, our area also takes in Thorley Street (1 mile east), Spellbrook (1 mile south-east), Bishop's Stortford (1 mile north-east), Little Hallingbury (2 miles south-east) and Allen's Green (2 miles south-west). Larger places within reach include Stevenage (14 miles west), Welwyn Garden City (15 miles west), Hoddesdon (9 miles south-west) and Cheshunt (13 miles south-west).

Landmarks near Thorley

Around Thorley, our work takes us to homes and businesses near Coach And Horses Public House and The Bishop's Stortford High School, among other places. The closest station to Thorley is Bishops Stortford station, roughly 1.5 miles north-east of the centre. A little further out are Bishops Stortford Local History Museum (2.4 miles north) and Moated mound (3 miles north-west). Green spaces nearby include Portingbury Hills and Thorley Wash nature reserve.

Map of Thorley © OpenStreetMap contributors

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