Air conditioning for flats and apartments in Slough
Hot spells reach the South East early, which makes spring the easiest time to arrange an installation. Balcony-mounted outdoor units are often the neatest solution for flats in Slough.
In Slough apartment blocks, the freeholder's consent is usually the first thing to sort out. We cover Slough as part of Berkshire, roughly 17 miles from Reading. Coverage includes SL1.
Prices in Slough
In South East England, our guide range for air conditioning for flats and apartments is £1,645–£7,245 per flat, one room to the whole flat, including VAT. 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 Two rooms option (twin multi-split for living room and main bedroom) is about £3,245–£4,795.
Single room
One wall unit with a balcony outdoor unit.
Two rooms
Twin multi-split for living room and main bedroom.
Whole flat
Three or four rooms on one outdoor unit, concealed routes.
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%.
Consent and planning for flats
Flats need more care: get your freeholder's written consent first, and expect the planning rules for a block of flats in Slough to be stricter than for a house. In England, permitted development allows one outdoor unit of up to 0.6 m³ on a block of flats; anything more needs planning permission.
The survey
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. A survey in Slough 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.
What is included
Here is what is included on every job in Slough:
- Outdoor unit position agreed with the freeholder
- Single or multi-split system
- Protection of common areas
- Pressure test, vacuum and commissioning
- Free survey and lease and consent checklist
Nearby
We also cover Windsor (2 miles), Maidenhead (5 miles) and Uxbridge (6 miles). See all services in Slough or air conditioning for flats and apartments across Berkshire.

