Ducted air conditioning across Lancashire
Ducted systems suit Preston loft conversions and new extensions where ceilings are being boarded anyway. For a renovation in Preston, the best time to plan ducted cooling is before the plasterers arrive. Damp North West weather makes the dehumidifying mode of a modern split system genuinely useful for much of the year.
Prices in Lancashire
For Lancashire, expect roughly £5,195 to £14,195 per system, VAT included, adjusted for typical North West England rates. It is a touch below the UK middle, as trade rates in North West England tend to be. 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. On our North West England figures, the Zoned option (motorised dampers or two units for separate floors or room groups) is about £7,095–£10,395.
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
We book surveys in Lancashire at a time that suits you, including early evenings by arrangement, and send the written quote afterwards. On a survey in Lancashire 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 ducted air conditioning across Lancashire:
- Commissioning with airflow balancing per grille
- Concealed fan unit and outdoor unit sized to the zone
- Access hatch and condensate route planned in
- Wall controller or app control
- Free survey with ceiling-void and loft inspection
- Insulated ductwork, plenums and grilles
Towns in Lancashire
Pick your town for local details, or see every service in Lancashire.