Conservatory air conditioning across Wiltshire
If your conservatory in Swindon faces south, that is where overheating is worst. Conservatories and orangeries in Swindon can swing from too hot in July to too cold in January. Coastal breezes help, but inland South West towns and glazed rooms still see uncomfortable peaks.
Prices in Wiltshire
Guide prices around Wiltshire run from £1,450 to £3,450 per system including VAT. It sits near the middle of UK prices. 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 West England figures, the Popular option (5 kW unit with Wi-Fi for a medium conservatory or orangery) is about £1,850–£2,595.
Essential
3.5 kW unit for a small lean-to or Edwardian conservatory.
Popular
5 kW unit with Wi-Fi for a medium conservatory or orangery.
Premium
7 kW or console-plus-wall setup for large glazed rooms.
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 England, most houses can have an outdoor unit under permitted development if it is no larger than 1.5 m³, meets the MCS 020(a) noise limit of 37 dB(A) at the nearest neighbour's window, and there are no more than two on a detached house or one on other houses. Listed buildings need consent.
The survey
On a survey in Wiltshire 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. 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.
What is included
Included with conservatory air conditioning across Wiltshire:
- Fixing to the house wall or a dwarf wall
- Pressure test, vacuum and commissioning
- Reversible inverter unit sized for glass
- Advice on blinds and roof upgrades that cut running costs
- Pipe route and outdoor unit position agreed
- Free survey with glazing and roof heat-gain check
Towns in Wiltshire
Pick your town for local details, or see every service in Wiltshire.

