Ducted air conditioning in Sutton
In London, heat soaks into brick and concrete during the day and comes back out at night, which is when it is hardest to sleep. For a renovation in Sutton, the best time to plan ducted cooling is before the plasterers arrive.
Ducted systems suit Sutton loft conversions and new extensions where ceilings are being boarded anyway. Sutton lies roughly 11 miles from central London, and we cover it as part of London. Postcode districts we cover here include RH5, SM1 and SM2.
Prices in Sutton
Ducted air conditioning in Sutton typically comes in at £7,195–£19,745 per system including VAT, based on London rates. Prices here sit above the national middle, reflecting London labour rates and parking and access costs. The biggest variables are the pipe route, access for the outdoor unit and the state of the consumer unit, all of which the survey settles. For reference, the Zoned option in Sutton (motorised dampers or two units for separate floors or room groups) usually comes to about £9,845–£14,445.
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
Since 29 May 2025, England's permitted development rules allow larger outdoor units (up to 1.5 m³) and no longer require a 1 m gap to the boundary, provided the MCS 020(a) noise check is met. Listed buildings and pitched-roof installs still need permission.
The survey
A survey in Sutton 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. On a survey in Sutton 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
Here is what is included on every job in Sutton:
- Free survey with ceiling-void and loft inspection
- Concealed fan unit and outdoor unit sized to the zone
- Commissioning with airflow balancing per grille
- Wall controller or app control
- Access hatch and condensate route planned in
Nearby
Neighbouring places we cover include Carshalton (2 miles), Banstead (2 miles) and Ewell (2 miles). See all services in Sutton or ducted air conditioning across London.

