Multi-split air conditioning across Surrey
Multi-split is a good fit for Woking flats and maisonettes where only a balcony or one rear wall is available. Twin and triple systems suit Woking homes where bedrooms sit above the kitchen and one rear wall can take the outdoor unit. The South East sees some of the UK's warmest summer days, and south-facing rooms and conservatories feel it first.
Prices in Surrey
Budget around £2,995–£9,445 for 2–4 rooms including VAT for multi-split air conditioning in and around Surrey. 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. On our South East England figures, the Triple option (three rooms with mixed indoor styles and Wi-Fi control throughout) is about £4,095–£6,645.
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
For most houses in Surrey, the outdoor unit is permitted development if it passes the MCS 020(a) noise check (37 dB(A) or less at the nearest neighbouring window) and stays within the size and number limits. We run that check on survey.
The survey
A survey in Surrey usually takes one to two hours. We measure the rooms, check the walls and the consumer unit, agree the outdoor unit position with you and photograph the pipe routes. At the survey we look at how each room is used, where the sun hits it and how the pipes can reach the outside wall, then put it all in a written quote.
What is included
Included with multi-split air conditioning across Surrey:
- Free survey with a room-by-room heat-gain check
- Pressure test, vacuum and refrigerant charge calculated for the pipe lengths
- Planned pipe routes through lofts, floors or trunking
- Commissioning and a walk-round of every room's controls
- An indoor unit and controls for every room
- One outdoor unit sized to the combined load
Towns in Surrey
Pick your town for local details, or see every service in Surrey.

