Hampshire · Heat pump installation
Air Source Heat Pumps in Four Marks
Air source heat pumps for Four Marks, from F-Gas certified engineers, with warranty terms explained brand by brand. Enquiries answered the same working day.
- Plans to switch to electric heating with a heat pump
- Deciding which kind of heat pump suits the home
- Checking emitters for a heat pump
About our air source heat pumps in Four Marks
In England, an air source heat pump on a house can often go in under permitted development rights. Conditions include a maximum outdoor unit size of 1.5 m³, compliance with MCS 020(a), use for more than cooling alone and a site outside the curtilage of a listed building. We check the rules for your property as part of the survey. Typical jobs include not knowing whether a grant applies and finding a place for the outdoor unit, across air-to-water heat pumps, hot water cylinders and radiator systems.
For a house near Four Marks, space outside is rarely the problem, so heat loss, radiators and the electrics are what we check.
If a fault appears while the equipment is under the manufacturer’s warranty, tell us the make, model and installation date. We’ll explain how the manufacturer’s terms are likely to apply before anything chargeable is done.
- Location
- Four Marks (GU34)
- Wider area
- Hampshire
- Credentials
- F-Gas certified, NICEIC approved, MCS
- Price guide
- Air-to-water £8,000–£16,000 before any grant (0% VAT for homes)
- Pricing
- Fixed after a survey or pictures
- Replies
- Answered the same working day
- Phone
- 07833 053749
- Updated
- 30 October 2026
Homes in Four Marks and heat pumps
About 32% of homes across Four Marks and its surrounding area have been built since 2000, according to the Valuation Office Agency’s council tax figures, and about 87% of households live in detached or semi-detached houses, according to Census 2021 figures. Newer homes normally lose less heat, which tends to suit a heat pump well. Detached and semi-detached houses usually have room for the outdoor unit and a cylinder. Four Marks is about 49 miles from central London, well within the area we cover from our base in East Grinstead.
Bentworth Hall lies about 2.7 miles north. Owners of listed homes need consent before a heat pump is fitted, so it’s one of our first questions.
Four Marks is about 4 miles south-west of Alton, in Hampshire. Whether you’re in the middle of Four Marks or further out, we cover air source heat pumps, from a single room to a whole building. Our list for Hampshire has 683 entries and Four Marks is among them. Guildford is in our area too, around 23 miles away.
The closest recent job we can point to from Four Marks was on Castle Street, Farnham (GU9), about 13 miles north-east: installing a Fujitsu multi-split system serving three offices and a client meeting room.
Here we cover the GU34 postcode area. If you need air source heat pumps at a property on Read's Field, River Close and Chalk Close or anywhere close by, our engineers can take on the work. If you’re just outside Four Marks, we cover Medstead (1 mile north), Soldridge (1 mile west), South Town (2 miles north-west), New Copse (2 miles north) and Hattingley (2 miles north-west). We also work in nearby towns such as Basingstoke (11 miles north), Winchester (12 miles west), Fleet (15 miles north-east) and Horndean (14 miles south).
Around Four Marks
The nearest railway station is Alton station, about 4.6 miles north-east. Well-known places in the area include Barton Castle (3.5 miles north-west) and Alton Community Hospital (3.3 miles north-east). The countryside around Four Marks includes Red Hill.
When to call us in Four Marks
Many enquiries start with a question about the Boiler Upgrade Scheme. Whether you can get the grant depends on your home and the scheme conditions, so we check before you commit.
Look out for these signs:
- Finding a place for the outdoor unit
- No space for a hot water cylinder
- Deciding which kind of heat pump suits the home
Period properties close to Church of the Good Shepherd can suit a heat pump, though insulation and any heritage protection are checked first.
Before booking anyone
- Which brand and model they’re proposing, and why
- Whether extra work needs your approval first
- Which VAT rate the quote uses, and why
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.
Keep a note of anything odd: error codes, noises, drips, smells or a drop in performance. It makes our diagnosis quicker, and a photo or a short video of the display is even better.
Towns and villages near Four Marks
Also in Four Marks
Questions from Four Marks
Can you do air source heat pumps in Four Marks?
Yes. We work across London and the South East from our base in East Grinstead, and Four Marks is part of that. Get in touch with the details and we reply the same working day.
Can I get the Boiler Upgrade Scheme grant in Four Marks?
Four Marks is in England, where the Boiler Upgrade Scheme runs. 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. We hold MCS certification, so the application is ours to make for you.
Does servicing affect my warranty?
It can, for some brands. Read the manufacturer’s terms, or send us the make and model and we will explain them, and book the service at the interval they recommend.
What’s the price of a heat pump installation?
For air-to-water, it’s £8,000–£16,000 (0% VAT on homes) before any Boiler Upgrade Scheme grant. Air-to-air prices are set after a survey, and we confirm the VAT on the quote.
How quickly will you reply?
We reply to enquiries the same working day. If it’s an emergency, ring the 24/7 line instead.
Do I need new radiators for a heat pump?
It depends on each radiator and the room it heats. Heat pumps run at lower flow temperatures, so radiators give out less heat, and the survey checks each one.
What does F-Gas certified mean?
For refrigerant work, both the engineer and the company need the right F-gas credentials. It’s worth checking before you book and we’ll gladly show you ours.
What we do, step by step
There’s very little for you to do on the day. Just let us in and point us to the units, or to where they’ll be fitted, and the rest is down to us. At the end, we tidy up and run through the work with you. Around Four Marks, access is typically simple, though gates and garden access are worth mentioning.
- First, a chat about the property and your goals for the heating.
- The survey checks heat loss, emitters, hot water and the outdoor unit position.
- We explain which type of heat pump suits the home and whether a grant could apply.
- Installation follows on the agreed dates.
- After commissioning, you get the MCS certificate and a handover.
Preparing for the visit
- Tell us about parking and loading
- Have the make and model of any existing unit to hand
- Make sure someone can let us in at the agreed time
Getting a quote
Need a price for air source heat pumps? Please ring us on 07833 053749 or fill in the contact form and tell us about the job. We will talk you through the options and give you a fixed-price quote before anything is booked.
Related advice
Why act early in Four Marks
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. A dirty or faulty system works harder and costs more to run.
Whatever the property, the quote works the same way: what’s needed, how we reach it, the parts and the labour. Call for a fixed-price quote and we’ll go through it with you.
What you get with us
- F-Gas certified company
- Electrical work covered by our NICEIC approval
- A site survey and a fixed-price quote
- We diagnose before we treat
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