New build and renovation air conditioning in Dartford
Summers in the South East are among the warmest in the country, so cooling often comes first, with efficient winter heating as a bonus. Renovations in Dartford are the easiest jobs to make invisible, because the pipework goes in before the plaster.
For new Dartford extensions with flat roofs, the outdoor unit position is best agreed against the architect's drawings. Our Kent coverage takes in Dartford, about 18 miles from Maidstone. That includes the DA1 postcode district.
Prices in Dartford
In South East England, our guide range for air conditioning for new builds and renovations is £495–£1,095 per indoor position (first fix), including VAT. Prices here sit above the national middle, reflecting South East England labour rates and parking and access costs. Longer or hidden pipe runs, high-level brackets and electrical upgrades are the usual reasons a quote lands at the top of the range. As an example, the First and second fix option (complete install priced per room including units) would typically be £1,745–£3,595 here.
First fix only
Pipework and drains to each position for a later install.
First and second fix
Complete install priced per room including units.
Ducted design and build
Concealed ducted system designed into the build.
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%.
Working with your builder
Because the pipework is built into the structure, coordination with your builder matters more than planning here; the outdoor unit follows the same rules as any other installation.
The survey
A survey in Dartford 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. We book surveys in Dartford at a time that suits you, including early evenings by arrangement, and send the written quote afterwards.
What is included
What a job in Dartford covers:
- Commissioning records for building control files
- Vacuum, charge and commissioning
- Second-fix unit installation
- Design and setting-out with your builder
- Nitrogen pressure test and labelled tails
Nearby
Close to Dartford, our coverage also includes Bexley (3 miles), Swanley (4 miles) and Welling (5 miles). See all services in Dartford or new build and renovation air conditioning across Kent.