Air conditioning for landlords and rental homes across South Glamorgan
If you let a holiday home or annexe near Cardiff, one system can warm it before guests arrive and cool it in summer. Top-floor flats and HMO rooms in Cardiff can get uncomfortably hot in summer, which tenants notice first. In South and Mid Wales, efficient heating is often as important as cooling.
Prices in South Glamorgan
For South Glamorgan, expect roughly £1,045 to £5,445 per property, one room to the whole let, VAT included, adjusted for typical South and Mid Wales rates. That sits a little below the UK middle, reflecting typical South and Mid Wales labour rates. What moves a quote in South Glamorgan up or down is mostly pipe length, how high the outdoor unit goes, and whether a new electrical circuit is needed. On our South and Mid Wales figures, the Two rooms option (two rooms on separate systems or a twin multi-split) is about £2,145–£3,345.
Single room
One wall unit for a bedroom or studio.
Two rooms
Two rooms on separate systems or a twin multi-split.
Whole let
Three or four rooms, with a service plan.
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
Wales removed its old 3 m boundary rule on 1 June 2026, so most houses in South Glamorgan can now have an outdoor unit under permitted development if it meets the MCS 020a noise condition. Listed buildings still need consent, and conservation areas have extra restrictions.
The survey
A survey in South Glamorgan 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 air conditioning for landlords and rental homes across South Glamorgan:
- Handover notes for tenants
- Access arranged with you and your tenants
- Separate or multi-split options
- Free survey of each room
- Pressure test, vacuum and commissioning
- Simple remotes and temperature limits
Towns in South Glamorgan
Pick your town for local details, or see every service in South Glamorgan.