- Area
- County Down
- Postcode district
- BT30
- Nation
- Northern Ireland
- Guide price
- From £9,200 inc VAT
- Survey
- Free for installation enquiries
Air source heat pump installation in Downpatrick: what to expect
The question for a Downpatrick home is rarely whether a heat pump can work, but what needs to change to make it work well: radiator sizes, pipework, controls and where the unit goes.
For older properties in Downpatrick, the heat loss calculation looks closely at solid walls, single glazing and draughts before any unit is sized. In Downpatrick, 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.
- Households with room for a hot water cylinder
- Homes replacing a gas, oil, LPG or electric heating system
- Owners who want one contract covering design, fitting and paperwork
What's included
- 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
- Radiator and pipework changes where the design needs them
- Outdoor unit, hot water cylinder and weather compensation controls
Terraced streets in Downpatrick often mean a compact unit position at the rear, so siting and sound levels are checked carefully.
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 Downpatrick.
There is no VAT on installing a heat pump in Northern Ireland until 31 March 2027, the same as in Great Britain. Planning and building control here follow Northern Ireland's own rules, so the survey checks the unit position against them.
What to budget for air source heat pump installation in Downpatrick
The ranges below are typical installed prices for homes in County Down, including VAT. A survey sets the exact figure, because two similar-looking houses in Downpatrick can need quite different radiators and pipework.
| 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.
How long is the heating season in Downpatrick?
On the shortest day Downpatrick gets only about 7 hours 18 minutes of daylight and the noon sun sits around 12° above the horizon. Northern winters tend to be longer, so a well-designed, efficient system matters more here because it runs for more of the year.
What happens after you enquire in Downpatrick?
- Send your postcode and a few details, or use the guide price tool.
- A surveyor visits your Downpatrick home, measures every room and checks where the outdoor unit can go.
- You receive a heat loss design and a fixed written quote, with any grant shown where it applies.
- Installers fit the unit, cylinder and any radiator changes, typically over 2–4 days on site.
- The system is commissioned, set up with weather compensation and handed over with the paperwork.
Air source heat pump installation in Downpatrick: questions
Do I need new radiators for a heat pump in Downpatrick?
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 Downpatrick home gives a room-by-room list.
How soon can you survey a home in Downpatrick?
Survey dates depend on how busy installers are in County Down. We offer the next available dates when you enquire and confirm them in writing.
Can you service a heat pump in Downpatrick that someone else installed?
Yes. We arrange servicing and repairs for most air source heat pumps in Downpatrick, whoever fitted them. Tell us the make and model when you book.
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.

