Air conditioning for extensions and kitchen-diners across West Glamorgan
An extension in Swansea with a roof lantern or large glazed doors can overheat quickly on a sunny afternoon. For a kitchen-diner in Swansea, we place the indoor unit clear of the hob and plan the outdoor unit at the rear. In South and Mid Wales, efficient heating is often as important as cooling.
Prices in West Glamorgan
For West Glamorgan, expect roughly £1,345 to £4,095 per space, VAT included, adjusted for typical South and Mid Wales rates. Labour rates in South and Mid Wales keep this slightly under the national middle. Quotes move with the length of the pipe run, where the outdoor unit can sit and how much electrical work the job needs. For reference, the Large single option in West Glamorgan (one 5–7 kW unit for a large glazed space) usually comes to about £1,895–£2,595.
Single unit
One 3.5–5 kW unit for a medium extension.
Large single
One 5–7 kW unit for a large glazed space.
Twin units
Two indoor units on a multi-split for long or L-shaped spaces.
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
In Wales, outdoor units of up to 1.5 m³ that meet MCS 020a noise limits are usually permitted development on houses; listed buildings need consent, and in conservation areas a unit cannot go on a wall or roof facing a road.
The survey
Surveys in West Glamorgan 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 air conditioning for extensions and kitchen-diners across West Glamorgan:
- Handover of the remote or app
- Pressure test, vacuum and commissioning
- Placement clear of the hob and oven
- Free survey with glazing and roof heat-gain check
- One or two units sized for the whole space
- Hidden routes during the build, or neat surface routes after
Towns in West Glamorgan
Pick your town for local details, or see every service in West Glamorgan.