- Area
- Northumberland
- Postcode district
- NE66
- Nation
- England
- Guide price
- From £9,400 inc VAT
- Survey
- Free for installation enquiries
Air source heat pump installation in Alnwick: what to expect
Homes around Alnwick range from older terraces to newer estates, and each needs a different design. That is why we survey before we quote.
Many homes in Alnwick have a side passage or rear garden with room for an outdoor unit, and the survey checks airflow and distance from neighbouring windows. Installers working in Alnwick plan the order of work so heating and hot water are off for as short a time as practical.
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.
- Houses with reasonable insulation, or a plan to improve it
- Households with room for a hot water cylinder
- Owners and landlords in England and Wales eligible for the Boiler Upgrade Scheme
What's included
- Commissioning, handover and a walk-through of the controls
- Boiler Upgrade Scheme application in England and Wales where eligible
- Outdoor unit, hot water cylinder and weather compensation controls
- Removal of the old boiler or heaters
- Free home survey and room-by-room heat loss calculation
In Alnwick, cylinder space is planned with you, often in an airing cupboard, utility room or garage.
Grants and rules for heat pumps in England
Homes in Alnwick 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.
Air source heat pump installation costs around Alnwick
These are guide prices for Northumberland, 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 | £9,400–£12,400 | £1,900–£4,900 |
| 2–3 bedroom terrace or semi | 5–7 kW | £10,400–£13,350 | £2,900–£5,850 |
| 3 bedroom semi or small detached | 6–9 kW | £11,900–£15,350 | £4,400–£7,850 |
| 4 bedroom detached | 8–12 kW | £13,850–£17,800 | £6,350–£10,300 |
| 5+ bedroom or larger older house | 11–16 kW | £16,350–£22,300 | £8,850–£14,800 |
Installed, inc VAT: unit, cylinder, controls, minor pipework and commissioning.
Designing for Alnwick's winters
On the shortest day Alnwick gets only about 7 hours 05 minutes of daylight, with the sun around 11° up at noon. Long Scottish winters mean the heat pump runs for much of the year, so careful sizing, good controls and correctly sized radiators make a real difference.
From survey to switch-on in Alnwick
- Send your postcode and a few details, or use the guide price tool.
- A surveyor visits your Alnwick 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 Alnwick: questions
How long does installation take in Alnwick?
Most installations take 2–4 days on site. Jobs with several radiator changes or new pipework take longer, and your quote for an Alnwick home states the expected time.
What size heat pump does an Alnwick 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 Alnwick home.
Do I need new radiators for a heat pump in Alnwick?
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 Alnwick home gives a room-by-room list.
What grants can I get for a heat pump?
It depends on where you live. In England and Wales the Boiler Upgrade Scheme gives £7,500 towards an air-to-water heat pump, which the installer claims and deducts from your quote. In Scotland, Home Energy Scotland offers a grant of up to £7,500, with up to £1,500 more for eligible rural and island homes, but you need a written funding offer before work starts. Northern Ireland has no dedicated homeowner heat pump grant at present.
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.