Heat load surveys and system design in Rickmansworth
Bright summers in the East of England mean solar gain through glass is usually the biggest load to design for. For self-builds and extensions in Rickmansworth, a standalone design pack can go straight to your builder.
Every Rickmansworth quote starts with a room-by-room survey rather than a guess from floor area. Rickmansworth is about 4 miles from Watford and falls within our Hertfordshire coverage. Homes in WD3 are all within our coverage.
Prices in Rickmansworth
Our East of England guide price for heat load surveys and system design is £445–£1,395 for a standalone design pack, VAT included. That is above the UK middle, mainly because labour and access cost more in the East of England. The design pack price depends mainly on the number of rooms and whether full drawings and equipment schedules are needed. Typical Design pack work (drawings and schedules for one home) lands around £445–£895 in this area.
Home survey
Free with an installation quote.
Design pack
Drawings and schedules for one home.
Self-build pack
Whole-house design for a new build.
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
Surveys in Rickmansworth cover heat gain, pipe routes, electrics, access and noise to the nearest neighbour, so surprises on the day are rare. A survey in Rickmansworth 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.
What is included
Included as standard in Rickmansworth:
- Equipment selection and outdoor unit sizing
- Written proposal with options
- Pipe and drain routes
- Noise check to the nearest neighbour
- Room-by-room heat gain and heat loss
Nearby
Close to Rickmansworth, our coverage also includes Watford (4 miles), North Watford (5 miles) and Bushey (5 miles). See all services in Rickmansworth or heat load surveys and system design across Hertfordshire.

