Multi-split air conditioning in New Milton
Hot spells reach the South East early, which makes spring the easiest time to arrange an installation. Twin and triple systems suit New Milton homes where bedrooms sit above the kitchen and one rear wall can take the outdoor unit.
In a house in New Milton with a usable loft, multi-split pipes can often run through it so the front stays clear. New Milton lies roughly 15 miles from Southampton, and we cover it as part of Hampshire. We cover BH25 and the streets around them.
Prices in New Milton
For New Milton, expect roughly £2,995 to £9,445 for 2–4 rooms, VAT included, adjusted for typical South East England rates. That is above the UK middle, mainly because labour and access cost more in South East England. Concealed pipework, access equipment for high walls and any electrical work are what push prices towards the upper figure. As an example, the Triple option (three rooms with mixed indoor styles and Wi-Fi control throughout) would typically be £4,095–£6,645 here.
Twin
Two rooms on one outdoor unit, wall-mounted indoor units, standard routes.
Triple
Three rooms with mixed indoor styles and Wi-Fi control throughout.
Quad
Four or five rooms, longer concealed runs or a ducted unit in a loft void.
Guide prices show VAT at 20%. HMRC treats most fixed air conditioners and air-to-air heat pumps installed in homes as energy-saving materials, zero-rated until 31 March 2027 when we supply and fit them. If your installation qualifies, your quote shows 0% VAT and a lower price. Servicing, repairs, cleaning and controls are charged at 20%.
Planning and permissions
Since 29 May 2025, England's permitted development rules allow larger outdoor units (up to 1.5 m³) and no longer require a 1 m gap to the boundary, provided the MCS 020(a) noise check is met. Listed buildings and pitched-roof installs still need permission.
The survey
Surveys in New Milton cover heat gain, pipe routes, electrics, access and noise to the nearest neighbour, so surprises on the day are rare. The free survey is where the real price is set: room measurements, pipe and drain routes, electrical checks and the outdoor unit position, all written into your quote.
What is included
Here is what is included on every job in New Milton:
- Planned pipe routes through lofts, floors or trunking
- Pressure test, vacuum and refrigerant charge calculated for the pipe lengths
- An indoor unit and controls for every room
- Free survey with a room-by-room heat-gain check
- Commissioning and a walk-round of every room's controls
Nearby
Nearby, we also cover Christchurch (5 miles), Bournemouth (10 miles) and Ferndown (11 miles). See all services in New Milton or multi-split air conditioning across Hampshire.