- Area
- Isle of Wight
- Postcode district
- PO31
- Nation
- England
- Guide price
- From £10,050 inc VAT
- Survey
- Free for installation enquiries
Before you book: air source heat pump installation in Cowes
In Cowes, as anywhere in the UK, the heat pumps that perform well are the ones designed around low flow temperatures and sized from a proper heat loss calculation.
Homeowners across the Isle of Wight can arrange a survey in Cowes for a room-by-room design and a written quote before committing to anything. In Cowes, cylinder space is planned with you, often in an airing cupboard, utility room or garage.
We survey your home, design a heat pump system around its real heat loss, and manage the installation from the first visit to the MCS certificate.
- Owners and landlords in England and Wales eligible for the Boiler Upgrade Scheme
- Houses with reasonable insulation, or a plan to improve it
- Households with room for a hot water cylinder
What's included
- Outdoor unit, hot water cylinder and weather compensation controls
- Radiator and pipework changes where the design needs them
- System design, unit sizing and a written quote
- Commissioning, handover and a walk-through of the controls
- Free home survey and room-by-room heat loss calculation
Many homes in Cowes have a side passage or rear garden with room for an outdoor unit, and the survey checks airflow and distance from neighbouring windows.
Grants and rules for heat pumps in England
Homes in Cowes can use the Boiler Upgrade Scheme, which takes £7,500 off the cost of an air source heat pump when it replaces fossil-fuel or electric heating. Replacing oil or LPG heating qualifies for £9,000 for installations from 21 July 2026 to 31 March 2027, and air-to-air systems for £2,500. The MCS-certified installer named in your quote applies for the grant and deducts it from the price.
Installing heat pumps is zero-rated for VAT across the UK until 31 March 2027. Since 29 May 2025, permitted development in England allows up to two air source heat pumps on a house, each up to 1.5 m³, with no blanket 1 m boundary rule — the installation must still meet the MCS planning standards, including the noise check. Listed buildings, flats and some conservation-area positions need extra consent, which we check at survey.
What to budget for air source heat pump installation in Cowes
The ranges below are typical installed prices for homes in the Isle of Wight, including VAT. A survey sets the exact figure, because two similar-looking houses in Cowes can need quite different radiators and pipework.
| Home | Typical size | Installed guide price | After £7,500 grant |
|---|---|---|---|
| 1–2 bedroom flat or small terrace | 4–5 kW | £10,050–£13,250 | £2,550–£5,750 |
| 2–3 bedroom terrace or semi | 5–7 kW | £11,150–£14,300 | £3,650–£6,800 |
| 3 bedroom semi or small detached | 6–9 kW | £12,700–£16,450 | £5,200–£8,950 |
| 4 bedroom detached | 8–12 kW | £14,850–£19,100 | £7,350–£11,600 |
| 5+ bedroom or larger older house | 11–16 kW | £17,500–£23,850 | £10,000–£16,350 |
Installed, inc VAT: unit, cylinder, controls, minor pipework and commissioning.
Designing for Cowes's winters
Cowes sees roughly 7 hours 57 minutes of daylight in late December against 16 hours 30 minutes in June. Milder southern winters suit heat pumps well, though the system is still sized for a cold snap rather than an average day.
From survey to switch-on in Cowes
- Tell us about your home: postcode, property type and current heating.
- We book a survey in Cowes; the surveyor measures rooms, windows and radiators and looks at cylinder space.
- The design and quote arrive in writing, including radiator changes and the outdoor unit position.
- On installation days the old system is removed and the new one fitted and filled.
- We commission the heat pump, show you the controls and register the installation.
Air source heat pump installation in Cowes: questions
How long does installation take in Cowes?
Most installations take 2–4 days on site. Jobs with several radiator changes or new pipework take longer, and your quote for a Cowes home states the expected time.
Where would the outdoor unit go on a Cowes house?
Usually at the side or rear, on a level base with space around it for airflow and servicing, away from bedroom windows where possible. The surveyor checks positions at your Cowes home.
How soon can you survey a home in Cowes?
Survey dates depend on how busy installers are in the Isle of Wight. We offer the next available dates when you enquire and confirm them in writing.
Do I need new radiators for a heat pump?
Not always; many homes keep most of their radiators and change only a few. Because a heat pump runs at a lower water temperature than a boiler, each radiator gives out less heat, so the survey checks every room against its heat loss. Rooms where the existing radiator falls short get a larger one, with a guide price of £250–£450 each, installed and including VAT.
How long does an air source heat pump installation take?
A typical home installation takes 2–4 days on site. It takes longer if several radiators are being replaced, pipework is being upgraded or the cylinder is going in a new location. Your quote sets out the expected programme, including when you will be without heating and hot water. Timings are typical rather than fixed, because older homes sometimes reveal surprises once floorboards are lifted.