Multi-split air conditioning across Norfolk
In a house in Norwich with a usable loft, multi-split pipes can often run through it so the front stays clear. Multi-split is a good fit for Norwich flats and maisonettes where only a balcony or one rear wall is available. Long sunny spells in the East of England put conservatories and top-floor rooms under real pressure.
Prices in Norfolk
Our East of England guide price for multi-split air conditioning is £2,745–£8,695 for 2–4 rooms, VAT included. The East of England is one of the dearer parts of the UK for trades, which shows in the range. Longer or hidden pipe runs, high-level brackets and electrical upgrades are the usual reasons a quote lands at the top of the range. For reference, the Triple option in Norfolk (three rooms with mixed indoor styles and Wi-Fi control throughout) usually comes to about £3,745–£6,095.
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 Norfolk cover heat gain, pipe routes, electrics, access and noise to the nearest neighbour, so surprises on the day are rare. 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 Norfolk:
- An indoor unit and controls for every room
- Planned pipe routes through lofts, floors or trunking
- Commissioning and a walk-round of every room's controls
- One outdoor unit sized to the combined load
- Free survey with a room-by-room heat-gain check
- Pressure test, vacuum and refrigerant charge calculated for the pipe lengths
Towns in Norfolk
Pick your town for local details, or see every service in Norfolk.

