Ducted air conditioning in Southampton
Summers in the South East are among the warmest in the country, so cooling often comes first, with efficient winter heating as a bonus. Ducted systems suit Southampton loft conversions and new extensions where ceilings are being boarded anyway.
For a renovation in Southampton, the best time to plan ducted cooling is before the plasterers arrive. Southampton is one of the main towns we cover in Hampshire, alongside Portsmouth and Basingstoke. Postcode districts we cover here include SO15.
Prices in Southampton
Guide prices around Southampton run from £6,645 to £18,245 per system including VAT. That is above the UK middle, mainly because labour and access cost more in South East England. Concealed pipework, access equipment for high walls and any electrical work are what push prices towards the upper figure. Typical Zoned work (motorised dampers or two units for separate floors or room groups) lands around £9,095–£13,345 in this area.
Single zone
One ducted unit serving two or three rooms from a loft or void.
Zoned
Motorised dampers or two units for separate floors or room groups.
Whole home
Multiple ducted units with linear slot diffusers and smart control.
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
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. Surveys in Southampton cover heat gain, pipe routes, electrics, access and noise to the nearest neighbour, so surprises on the day are rare.
What is included
Here is what is included on every job in Southampton:
- Commissioning with airflow balancing per grille
- Access hatch and condensate route planned in
- Insulated ductwork, plenums and grilles
- Free survey with ceiling-void and loft inspection
- Concealed fan unit and outdoor unit sized to the zone
Nearby
Close to Southampton, our coverage also includes Totton (4 miles), Eastleigh (5 miles) and Fareham (10 miles). See all services in Southampton or ducted air conditioning across Hampshire.