Hertfordshire · Heat pump installation
Heat pump installers in Colney Heath
Air source heat pumps for Colney Heath and the surrounding area: a survey or diagnosis, a fixed price, careful work and proper paperwork. Ask us for a fixed-price quote.
- Checking emitters for a heat pump
- Working out where a cylinder could go
- Planning and permitted development questions
System by system
Air-to-air heat pumps
Air-to-air heat pumps are now covered by permitted development rules in England, subject to conditions. Cooling-only units are not included and need a check with the council.
Outdoor unit position and planning
Where the outdoor unit goes depends on airflow, access and the route into the house. Noise is part of the MCS 020(a) check, so we consider nearby homes too.
How we handle air source heat pumps in Colney Heath
Every installation starts with a heat loss survey. It shows how much heat each room needs on a cold day, so the heat pump and the radiators or indoor units can be sized properly. Guesswork leads to systems that are too big or too small. If you’re dealing with planning and permitted development questions and questions about the Boiler Upgrade Scheme, we can help.
For a home around Colney Heath that is 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.
Refrigerant work is written up in the F-Gas records: 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.
- Where
- Colney Heath (AL4)
- Wider area
- Hertfordshire
- Quote
- Fixed-price quote after a site survey
- Approvals
- F-Gas certified, NICEIC approved, MCS
- Replies
- On the working day you ask
- Prices
- Air-to-water £8,000–£16,000 before any grant (0% VAT for homes)
- Phone
- 07833 053749
- Updated
- 30 October 2026
Places near Colney Heath
Other services in Colney Heath
Air source heat pumps in Colney Heath: the local picture
About 66% of homes across Colney Heath and its surrounding area date from 1945 to 1972, according to VOA council tax data, and the last census (2021) found about 52% of households in terraced houses. Homes of that age often have cavity walls that may or may not be insulated, which the survey checks. In a terrace, the outdoor unit position and the MCS noise check need particular care.
If your home is one of the older properties near Church of St Mark, the survey checks whether it’s listed or in a conservation area before the outdoor unit position is chosen.
Colney Heath is about 2 miles south-west of Hatfield, in Hertfordshire. From the centre of Colney Heath to the outskirts, our engineers cover air source heat pumps, from a single room to a whole building. Across Hertfordshire, we cover 381 places, and Colney Heath is one of them. The nearest of our city pages is London, around 18 miles from Colney Heath.
From High Street, Fair View and Roestock Lane to the smaller roads in between, nowhere is left out. Our working area takes in AL4, every street of it. If you’re just outside Colney Heath, we cover Sleapshyde (1 mile north-west), Welham Green (1 mile east), Smallford (1 mile north-west), Hatfield (2 miles north-east) and Tyttenhanger (2 miles west). We also work in nearby towns such as Watford (8 miles south-west), Hemel Hempstead (9 miles west), Stevenage (12 miles north) and St Albans (3 miles west).
What’s near Colney Heath
In Colney Heath, that means homes and buildings near Chalkdrawers Arms, Bishop's Hatfield Girls' School and North Mimms Park and the streets around them. Colney Heath’s nearest station is Welham Green station, roughly 1.7 miles east. Well-known places in the area include Hill End Hospital (2.3 miles west) and The Bunker at Hatfield Police Station (1.9 miles north). Open spaces near Colney Heath include Verulamium Lake and Colney Heath Local Nature Reserve.
When something else is needed
A few issues sit outside what this work can do:
- Promising eligibility for the Boiler Upgrade Scheme
- Planning decisions, which rest with the council
- Improving the building’s insulation
If you’re not sure, just ring 07833 053749 or write to us at info@aircondoctor.co.uk and we’ll give you a straight answer before booking.
Where we work
- Underfloor heating
- Air-to-water heat pumps
- Air-to-air heat pumps
- Hot water cylinders
- Homes heated by oil, LPG or gas
- Radiator systems
Common questions in Colney Heath
Will you come out to Colney Heath?
Yes, and the size of the place makes no difference to how we work. Send a few details and pictures, and we reply the same working day.
Do I need planning permission for a heat pump in Colney Heath?
There’s no single answer: the building and the outdoor unit position decide it. Historic England lists about 10 buildings and structures within half a mile of the centre of Colney Heath. 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 Colney Heath, usually St Albans City council).
What does F-Gas certified mean?
For refrigerant work, both the engineer and the company need the right F-gas credentials. Ask to see proof before booking anyone and we will gladly show you ours.
Which manufacturers do you install and repair?
The main ones, including Mitsubishi Electric, Daikin, Fujitsu, Panasonic, Toshiba, LG, Samsung, Mitsubishi Heavy Industries and Hitachi. For new systems, we recommend a brand and model to suit the job and explain why.
Do you look at the job first?
Yes, every time. Diagnosis comes before treatment: the survey shows what’s needed, where things go and what access we need, and the quote is based on that.
Who is responsible for leak checks?
Responsibility is shared between the operator, usually whoever owns or controls the equipment, and the service technicians. How often depends on the size of the refrigerant charge in tonnes of CO2 equivalent: at least every 12 months from 5 tCO2e, and every 6 months from 50 tCO2e.
How much VAT is charged on a heat pump in a home?
For homes, currently none: until 31 March 2027 the rate is 0% in residential accommodation, then 5%. The relief is not available to businesses, and with air-to-air we confirm the VAT on the quote. This is general information, not tax advice.
How the visit works
The visit has three parts, a bit like a doctor’s appointment: look, put right and sign off. First we check the system or the space against the plan, then we do the work, and finally we test, record and explain. Most of the time goes on the middle part, and that 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. Visits to Colney Heath are agreed with you in advance and planned so the job can be finished in one trip where possible.
- Step one is understanding the house, how it’s heated today and what you’d like to change.
- We survey the home room by room for heat loss, and check the emitters, hot water and outdoor unit position.
- The price comes back fixed and in writing, with the grant and VAT shown line by line.
- We fit the outdoor unit and connect it to the heating, hot water and controls.
- The system is commissioned and registered under MCS, and we show you how to use it.
Getting ready for the visit
- Tell us about any building rules, permits or sign-in
- Clear a path to the units and the space around them
- Let us know where the consumer unit is
Get a fixed-price quote
Quoting starts with a diagnosis, either on a site survey or, for simple jobs, from your pictures and details. After that, we send a fixed price before any work starts.
Advice
When to call us in Colney Heath
Homes with electric heating sometimes look at heat pumps as an alternative. A survey shows whether a heat pump suits the property and what would need to change, and we explain the grant position for your home.
Common reasons people call us are:
- Not knowing whether a grant applies
- Ageing boilers that will need replacing
- Plans to switch to electric heating with a heat pump
Historic houses such as Hatfield House, about 2.3 miles north-east, are a reminder that listed homes need consent before a heat pump goes in.
What to look for in a quote
- Which brand and model they’re proposing, and why
- Which VAT rate the quote uses, and why
- What records you get at the end
What a customer said
“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