Ducted air conditioning across Derbyshire
For a renovation in Derby, the best time to plan ducted cooling is before the plasterers arrive. Ducted systems suit Derby loft conversions and new extensions where ceilings are being boarded anyway. The East Midlands gets warm, dry summer spells, and loft conversions and top-floor bedrooms are where the heat builds.
Prices in Derbyshire
Ducted air conditioning in Derbyshire typically comes in at £5,245–£14,345 per system including VAT, based on East Midlands rates. That sits a little below the UK middle, reflecting typical East Midlands labour rates. What moves a quote in Derbyshire up or down is mostly pipe length, how high the outdoor unit goes, and whether a new electrical circuit is needed. On our East Midlands figures, the Zoned option (motorised dampers or two units for separate floors or room groups) is about £7,145–£10,495.
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
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 Derbyshire cover heat gain, pipe routes, electrics, access and noise to the nearest neighbour, so surprises on the day are rare.
What is included
Included with ducted air conditioning across Derbyshire:
- Free survey with ceiling-void and loft inspection
- Wall controller or app control
- Access hatch and condensate route planned in
- Concealed fan unit and outdoor unit sized to the zone
- Commissioning with airflow balancing per grille
- Insulated ductwork, plenums and grilles
Towns in Derbyshire
Pick your town for local details, or see every service in Derbyshire.