Heat load surveys and system design in High Wycombe
Summers in the South East are among the warmest in the country, so cooling often comes first, with efficient winter heating as a bonus. For self-builds and extensions in High Wycombe, a standalone design pack can go straight to your builder.
Every High Wycombe quote starts with a room-by-room survey rather than a guess from floor area. High Wycombe lies roughly 29 miles from Milton Keynes, and we cover it as part of Buckinghamshire. Postcode districts we cover here include HP13.
Prices in High Wycombe
For High Wycombe, expect roughly £495 to £1,495 for a standalone design pack, VAT included, adjusted for typical South East England rates. That is above the UK middle, mainly because labour and access cost more in South East England. The design pack price depends mainly on the number of rooms and whether full drawings and equipment schedules are needed. On our South East England figures, the Design pack option (drawings and schedules for one home) is about £495–£945.
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 High Wycombe cover heat gain, pipe routes, electrics, access and noise to the nearest neighbour, so surprises on the day are rare. A survey in High Wycombe 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 High Wycombe:
- Electrical load for your electrician
- Pipe and drain routes
- Written proposal with options
- Noise check to the nearest neighbour
- Room-by-room heat gain and heat loss
Nearby
Close to High Wycombe, our coverage also includes Amersham (6 miles), Maidenhead (7 miles) and Henley-on-Thames (9 miles). See all services in High Wycombe or heat load surveys and system design across Buckinghamshire.