West Sussex · Heat pump installation
Air Source Heat Pumps in Lagness
For heat pump installation in Lagness, choose an F-Gas certified, NICEIC approved company. A fixed price before any work starts, and a 24/7 emergency line.
- Working out where a cylinder could go
- A boiler that’s getting old
- Questions about listed buildings or conservation areas
Air source heat pumps in Lagness: the local picture
Lagness is within about 2 miles of the coast. Coastal sites are worth mentioning at the survey, as salt air affects the outdoor unit and its fixings. About 56% of homes in the Lagness area date from 1945 to 1972, according to the Valuation Office Agency’s council tax figures, and the 2021 Census found about 72% of households in detached or semi-detached houses. Homes of that age often have cavity walls that may or may not be insulated, which the survey checks. Houses usually have space for an outdoor unit and a hot water cylinder. About 7 listed entries lie within half a mile of central Lagness, Crimsham Manor (grade II) among them. For a heat pump, permitted development does not apply within the grounds of a listed building, and in a conservation area the outdoor unit can’t go on a wall or roof facing a road, so we check with the local planning authority (normally Arun council) where needed.
Goodwood House lies about 4.9 miles north. Owners of listed homes need consent before a heat pump is fitted, so it’s one of our first questions. If your home is one of the older properties near Church of St Giles, the survey checks whether it’s listed or in a conservation area before the outdoor unit position is chosen.
Lagness is about 2 miles west of Bognor Regis, in West Sussex. Whether you are in the middle of Lagness or further out, our engineers cover air source heat pumps, from a single room to a whole building. Count every place we list in West Sussex and you reach 371, with Lagness on the list. We also work in Worthing, about 14 miles from Lagness.
Our nearest recent job to Lagness was on East Street, Chichester (PO19), about 4 miles north-west: installing a Daikin wall-mounted unit in the dining area and a second unit serving the kitchen pass area.
If your postcode is in PO20, we can take the job on. Places around Lagness that are also on our list: Runcton (1 mile north-west), Merston (1 mile north), North Mundham (2 miles north-west), Colworth (2 miles north-east) and Hunston (2 miles west). Within a short drive, we also cover Worthing (14 miles east), Chichester (4 miles north-west), Selsey (5 miles south-west) and Littlehampton (9 miles east).
Landmarks near Lagness
We fit and service air conditioning in homes and premises around The Regis School and Avisford. For rail, the closest station is Bognor Regis station, roughly 2.5 miles east. A little further out are Tote Copse Castle (2.9 miles north-east) and Bognor Regis Museum (2.5 miles south-east).
How we handle air source heat pumps in Lagness
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 the Energy Saving Trust notes that air-to-air heat pumps are sometimes referred to as air conditioning. The work covers air-to-water heat pumps, air-to-air heat pumps and hot water cylinders, and the jobs we see most are planning and permitted development questions and moving away from fossil-fuel heating.
In a place like Lagness, some homes are listed, because permitted development does not apply within the grounds of a listed building, so consent comes first.
Aftercare is simple, and most of it is in the manual: keep the outdoor unit clear, follow the manufacturer’s guidance on cleaning and book a service at the interval they recommend. It also keeps you on the right side of any warranty terms that ask for servicing.
- Location
- Lagness (PO20)
- Region
- West Sussex
- Credentials
- NICEIC approved, F-Gas certified, MCS
- Quote
- Fixed, in writing
- Costs
- Air-to-water £8,000–£16,000 before any grant (0% VAT for homes)
- Telephone
- 07833 053749
- Reviewed
- 30 October 2026
Owner checks or an engineer?
Before you call us about a fault, a few checks can save a visit: check the mode, the set temperature, the remote’s batteries and the breaker. If a breaker trips again after you reset it, leave it off and call 07833 053749 or fill in the contact form.
Leave the units and pipework where they are. Moving a unit involves the refrigerant circuit, so it needs an F-Gas qualified engineer, and the electrical side needs a competent person. If you need something moved, we can quote for it.
System by system
Outdoor unit position and planning
Flats have tighter limits, and an Article 4 direction can remove permitted development rights. Listed buildings also need separate consent, and we check the position for your property.
VAT on heat pumps
HMRC says most air conditioning units are air source heat pumps, but each case depends on the facts, so we confirm the VAT on your quote.
Places near Lagness
What else we do in Lagness
Lagness questions
Is Lagness within the area you cover?
Yes. Lagness is within the area we cover across London and the South East. We’re based in East Grinstead and plan each visit so the job can be finished in one trip where possible.
Can I get the Boiler Upgrade Scheme grant in Lagness?
Yes, if the home and the heat pump meet the scheme’s rules: Lagness is in England, where it applies. 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.
Will I get records for the system?
Yes. It’s the record a manufacturer or the next engineer will ask to see: the date, the work, and any refrigerant added or recovered.
Who has to arrange F-Gas leak checks?
The F-gas rules share it between the equipment’s operator and the engineers who work on it. 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 long does a heat pump installation take?
Expect it to take 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 cylinder, the radiators and the pipework make the biggest difference, and we confirm the timing with your quote.
How do you keep the place clean during the work?
We start with protection: dust sheets over floors and anything close to the work. Holes and fixings are agreed with you, and we clean up afterwards before we leave.
Why does F-Gas certification matter?
Anyone installing, repairing or servicing the refrigerant side must be qualified, and their company certified. It’s worth checking before booking, and we’re happy to show ours.
How it works
Every visit follows the same order: agree the plan on site, put the dust sheets down, carry out the job, test what we have done and talk you through it. The visit itself takes a few days on site, depending on the cylinder, the radiators and the pipework involved. A note on how to find the property and where to park makes a visit to Lagness easier.
- Step one is understanding the house, how it’s heated today and what you’d like to change.
- On the visit we calculate what every room loses on a cold day, then check the radiators, room for a cylinder and outdoor unit options.
- A fixed-price quote follows, setting out the system, any grant that applies and the VAT.
- Fitting day: the outdoor unit is placed, the indoor side connected and the controls set up.
- Commissioning, MCS certification and a handover of the controls finish the job.
Getting ready for the visit
- Find the manual or the paperwork for the system, if you have it
- Move furniture away from the wall where we’ll be working
- Let us know if the building has a permit or sign-in process
Getting a quote
For air source heat pumps in Lagness, give us a ring 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.
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What air conditioning won’t do
An honest diagnosis matters more to us than a booking, so here’s what air source heat pumps will not do:
- Any gas work on the existing boiler
- Draught-proofing and insulation upgrades
- Formal advice on VAT for your situation
Not sure which it is? You can phone 07833 053749, or email if that’s easier and we will tell you honestly before you book.
Parts of the system we cover
- Air-to-water heat pumps
- Air-to-air heat pumps
- Homes heated by oil, LPG or gas
- Underfloor heating
- Hot water cylinders
- Radiator systems
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