Air conditioning for flats and apartments in Cardiff
In Cardiff apartment blocks, the freeholder's consent is usually the first thing to sort out. Humid summer spells in South Wales make dehumidifying and cooling equally welcome.
Newer blocks in Cardiff with balconies are often the simplest flats to fit. Cardiff is one of the main towns we cover in South Glamorgan, alongside Barry and Penarth. Homes in CF10, CF11, CF14, CF15, CF23 and CF24 are all within our coverage.
Prices in Cardiff
Air conditioning for flats and apartments in Cardiff typically comes in at £1,245–£5,445 per flat, one room to the whole flat including VAT, based on South and Mid Wales rates. That sits a little below the UK middle, reflecting typical South and Mid Wales labour rates. Quotes move with the length of the pipe run, where the outdoor unit can sit and how much electrical work the job needs. On our South and Mid Wales figures, the Two rooms option (twin multi-split for living room and main bedroom) is about £2,445–£3,645.
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 Cardiff to be stricter than for a house. In Wales, the rules for blocks of flats differ from those for houses, so we check with the council before quoting.
The survey
We book surveys in Cardiff at a time that suits you, including early evenings by arrangement, and send the written quote afterwards. Surveys in Cardiff cover heat gain, pipe routes, electrics, access and noise to the nearest neighbour, so surprises on the day are rare.
What is included
What a job in Cardiff covers:
- Single or multi-split system
- Documents for the managing agent
- Protection of common areas
- Free survey and lease and consent checklist
- Outdoor unit position agreed with the freeholder
Nearby
Nearby, we also cover Penarth (3 miles), Dinas Powys (3 miles) and Caerphilly (7 miles). See all services in Cardiff or air conditioning for flats and apartments across South Glamorgan.

