New build and renovation air conditioning across Hertfordshire
Renovations in Watford are the easiest jobs to make invisible, because the pipework goes in before the plaster. For new Watford extensions with flat roofs, the outdoor unit position is best agreed against the architect's drawings. Low rainfall and long summer days in the East of England make south-facing rooms the first to overheat.
Prices in Hertfordshire
Our East of England guide price for air conditioning for new builds and renovations is £445–£995 per indoor position (first fix), VAT included. Prices here sit above the national middle, reflecting East of 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 £1,595–£3,295 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
On build projects the main thing is timing with your builder and electrician; we fit first-fix pipework before plastering and agree the outdoor unit position early.
The survey
A survey in Hertfordshire 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 Hertfordshire 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 air conditioning for new builds and renovations across Hertfordshire:
- Commissioning records for building control files
- Design and setting-out with your builder
- Nitrogen pressure test and labelled tails
- First-fix pipework, drains and cables
- Vacuum, charge and commissioning
- Second-fix unit installation
Towns in Hertfordshire
Pick your town for local details, or see every service in Hertfordshire.