Heat load surveys and system design in Wembley
Every Wembley quote starts with a room-by-room survey rather than a guess from floor area. The urban heat island effect means London bedrooms can stay uncomfortably warm on summer nights.
No two rooms in Wembley gain or lose heat in quite the same way, which is exactly why rooms are measured before sizing. Wembley is about 8 miles from central London and falls within our London coverage. We cover HA0 and the streets around them.
Prices in Wembley
Budget around £495–£1,645 for a standalone design pack including VAT for heat load surveys and system design in and around Wembley. Prices here sit above the national middle, reflecting London labour rates and parking and access costs. 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 £495–£1,045 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
We book surveys in Wembley at a time that suits you, including early evenings by arrangement, and send the written quote afterwards. Surveys in Wembley cover heat gain, pipe routes, electrics, access and noise to the nearest neighbour, so surprises on the day are rare.
What is included
Here is what is included on every job in Wembley:
- Electrical load for your electrician
- Pipe and drain routes
- Equipment selection and outdoor unit sizing
- Written proposal with options
- Room-by-room heat gain and heat loss
Nearby
If you are just outside Wembley, we also work in Harrow (2 miles), Greenford (3 miles) and Willesden (3 miles). See all services in Wembley or heat load surveys and system design across London.

