New build and renovation air conditioning in Worthing
For new Worthing extensions with flat roofs, the outdoor unit position is best agreed against the architect's drawings. In the South East, loft rooms and glazed extensions can climb well above the outside temperature on a sunny afternoon.
First-fix pipework in Worthing extensions goes in while the joists and studs are open. Our West Sussex coverage takes in Worthing, about 22 miles from Crawley. That includes the BN11 postcode district.
Prices in Worthing
For Worthing, expect roughly £495 to £1,095 per indoor position (first fix), VAT included, adjusted for typical South East England rates. Prices here sit above the national middle, reflecting South East England labour rates and parking and access costs. What moves a quote in Worthing up or down is mostly pipe length, how high the outdoor unit goes, and whether a new electrical circuit is needed. On our South East England figures, the First and second fix option (complete install priced per room including units) is about £1,745–£3,595.
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
First-fix work is about coordination, while the outdoor unit follows the normal planning rules for the property.
The survey
A survey in Worthing 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. Surveys in Worthing 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 air conditioning for new builds and renovations in Worthing:
- Nitrogen pressure test and labelled tails
- Second-fix unit installation
- Vacuum, charge and commissioning
- Commissioning records for building control files
- Design and setting-out with your builder
Nearby
If you are just outside Worthing, we also work in Littlehampton (7 miles), Hove (9 miles) and Brighton (10 miles). See all services in Worthing or new build and renovation air conditioning across West Sussex.

