Homes across County Down — in Bangor (County Down), Newtownards, Newry and Banbridge and beyond — can book a survey for an air source heat pump. Prices below are guide ranges for County Down, installed and including VAT.
Towns we cover in County Down
Heat pump services in County Down
Grants and rules for heat pumps in Northern Ireland
Northern Ireland does not have a dedicated heat pump grant for homeowners at present, and the Boiler Upgrade Scheme does not apply here. Heat pumps have sometimes been funded through the Northern Ireland Sustainable Energy Programme, so it is worth checking what is open when you enquire about a home in County Down.
Installing heat pumps has been zero-rated for VAT in Northern Ireland since 1 May 2023, in line with the rest of the UK, until 31 March 2027. Northern Ireland has its own permitted development rules and building regulations, and we confirm what applies to your property at survey.
Guide prices in County Down
| Home | Typical size | Installed guide price |
|---|---|---|
| 1–2 bedroom flat or small terrace | 4–5 kW | £9,200–£12,150 |
| 2–3 bedroom terrace or semi | 5–7 kW | £10,200–£13,100 |
| 3 bedroom semi or small detached | 6–9 kW | £11,650–£15,050 |
| 4 bedroom detached | 8–12 kW | £13,600–£17,450 |
| 5+ bedroom or larger older house | 11–16 kW | £16,000–£21,850 |
Installed, inc VAT: unit, cylinder, controls, minor pipework and commissioning. No dedicated heat pump grant currently applies in Northern Ireland.
Questions
What happens at the home survey?
The home survey is a visit to measure your home room by room and calculate its heat loss, which sets the size of heat pump and radiators you need. We also look at your existing radiators and pipework, where the cylinder and outdoor unit can go, your electricity supply and the position of neighbouring homes for the noise check. Afterwards you receive a written quote with the system design and price. See heat loss surveys.
Will an air source heat pump work in my home?
Most UK homes can use an air source heat pump, as long as there is space outside for the unit, room inside for a hot water cylinder and heating that can work at lower temperatures. Houses, bungalows, cottages and many flats are all possible. What decides the design is your home's heat loss, which we measure room by room at the free home survey. If a heat pump is not a good fit, we tell you and explain why.
Do I pay VAT on a heat pump installation?
Across the UK, including Northern Ireland, the installation of heat pumps is zero-rated for VAT until 31 March 2027, so no VAT is added to a qualifying installation. Our guide prices are shown including VAT. Your written quote sets out the VAT that applies to your job, including any separate items, so you can see the full amount before you accept.
How long does an air source heat pump last?
An air source heat pump typically lasts 15–20 years, depending on the model, how it is used and how well it is maintained. Annual servicing helps it run efficiently and is often a condition of the manufacturer warranty. Parts such as pumps, sensors and fans can be replaced during its life. When an outdoor unit reaches the end of its life, a like-for-like replacement is a guide price of £6,000–£9,500, installed and including VAT.

