- Area
- Surrey
- Postcode district
- GU9
- Nation
- England
- Nearby
- Aldershot, Fleet, Godalming
We cover Farnham and nearby Aldershot, Fleet and the rest of Surrey. A heat pump is a whole-system change, so the survey looks at radiators, pipework, the hot water cylinder and the best spot for the outdoor unit.
Heat pump services in Farnham
All services in Farnham:
Grants and rules for heat pumps in England
In England the Boiler Upgrade Scheme gives £7,500 towards an air source heat pump (£9,000 if it replaces oil or LPG, from 21 July 2026 to 31 March 2027), and since 28 April 2026 a valid EPC is no longer needed. The grant is applied for by the MCS-certified installer and shown as a deduction on your Farnham quote.
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.
Heat pump guide prices in Farnham
These are guide prices for Surrey, installed and including VAT. Your final price is fixed in a written quote after the survey and depends on the heat loss of the house, the radiators that need changing and where the unit goes.
| Home | Typical size | Installed guide price | After £7,500 grant |
|---|---|---|---|
| 1–2 bedroom flat or small terrace | 4–5 kW | £10,150–£13,400 | £2,650–£5,900 |
| 2–3 bedroom terrace or semi | 5–7 kW | £11,250–£14,450 | £3,750–£6,950 |
| 3 bedroom semi or small detached | 6–9 kW | £12,850–£16,600 | £5,350–£9,100 |
| 4 bedroom detached | 8–12 kW | £15,000–£19,250 | £7,500–£11,750 |
| 5+ bedroom or larger older house | 11–16 kW | £17,650–£24,100 | £10,150–£16,600 |
Installed, inc VAT: unit, cylinder, controls, minor pipework and commissioning.
Short winter days in Farnham and what they mean
On the shortest day Farnham gets about 7 hours 52 minutes of daylight, and the winter sun reaches only around 15° above the horizon at noon. Winters this far south are milder than in most of the UK, which helps a heat pump run at low flow temperatures for much of the season.
Heat pumps in Farnham: questions
Can you service a heat pump in Farnham that someone else installed?
Yes. We arrange servicing and repairs for most air source heat pumps in Farnham, whoever fitted them. Tell us the make and model when you book.
What size heat pump does a Farnham home need?
It depends on the heat loss, not the postcode. As a rough guide, a 3 bedroom semi often needs 6–9 kW, but the room-by-room survey sets the actual size for your Farnham home.
Do I need new radiators for a heat pump in Farnham?
Often some, not all. Heat pumps run best at lower water temperatures, so rooms with small radiators may need larger ones. The survey of your Farnham home gives a room-by-room list.
How long does a heat pump survey take in Farnham?
A home survey in Farnham usually takes one to two hours. The surveyor measures every heated room, checks windows, walls and radiators, and looks at where the outdoor unit and cylinder can go.