New build and renovation air conditioning in Sunbury-on-Thames
Renovations in Sunbury-on-Thames are the easiest jobs to make invisible, because the pipework goes in before the plaster. The South East sees some of the UK's warmest summer days, and south-facing rooms and conservatories feel it first.
For new Sunbury-on-Thames extensions with flat roofs, the outdoor unit position is best agreed against the architect's drawings. Sunbury-on-Thames lies roughly 8 miles from Woking, and we cover it as part of Surrey. That includes the TW16 and TW17 postcode districts.
Prices in Sunbury-on-Thames
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. South East England is one of the dearer parts of the UK for trades, which shows in the range. 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. Typical First and second fix work (complete install priced per room including units) lands around £1,745–£3,595 in this area.
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 Sunbury-on-Thames 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 Sunbury-on-Thames 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
Every job in Sunbury-on-Thames includes:
- Commissioning records for building control files
- Second-fix unit installation
- First-fix pipework, drains and cables
- Nitrogen pressure test and labelled tails
- Vacuum, charge and commissioning
Nearby
Nearby, we also cover Walton-on-Thames (1 mile), Hanworth (2 miles) and Ashford, Surrey (3 miles). See all services in Sunbury-on-Thames or new build and renovation air conditioning across Surrey.