Air conditioning for extensions and kitchen-diners in Castle Douglas
An extension in Castle Douglas with a roof lantern or large glazed doors can overheat quickly on a sunny afternoon. Mild Scottish summers mean cooling matters most in conservatories, lofts and rooms with large windows.
In Castle Douglas, a side wall of a single-storey extension is usually the neatest place for the indoor unit. We cover Castle Douglas as part of Dumfries and Galloway, roughly 15 miles from Dumfries. That includes the DG7 postcode district.
Prices in Castle Douglas
Our Central and Southern Scotland guide price for air conditioning for extensions and kitchen-diners is £1,345–£4,095 per space, VAT included. Labour rates in Central and Southern Scotland keep this slightly under the national middle. Longer or hidden pipe runs, high-level brackets and electrical upgrades are the usual reasons a quote lands at the top of the range. On our Central and Southern Scotland figures, the Large single option (one 5–7 kW unit for a large glazed space) is 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
Outdoor units on Scottish homes can often be installed without a planning application, but the conditions differ from England's, so we confirm the rules for your property at survey.
The survey
The free survey is where the real price is set: room measurements, pipe and drain routes, electrical checks and the outdoor unit position, all written into your quote. On a survey in Castle Douglas the engineer looks at room size, glazing, the route for pipes and drains, the electrics and where the outdoor unit can sit quietly, then the written quote follows.
What is included
Included with air conditioning for extensions and kitchen-diners in Castle Douglas:
- Free survey with glazing and roof heat-gain check
- Placement clear of the hob and oven
- Pressure test, vacuum and commissioning
- Hidden routes during the build, or neat surface routes after
- One or two units sized for the whole space
Nearby
We also cover Dalbeattie (4 miles), Dumfries (15 miles) and Lockerbie (26 miles). See all services in Castle Douglas or air conditioning for extensions and kitchen-diners across Dumfries and Galloway.