Heat load surveys and system design in Billericay
No two rooms in Billericay gain or lose heat in quite the same way, which is exactly why rooms are measured before sizing. The East of England is one of the sunniest and driest parts of the UK, which makes glazed rooms and lofts hard to keep cool.
Every Billericay quote starts with a room-by-room survey rather than a guess from floor area. We cover Billericay as part of Essex, roughly 14 miles from Southend-on-Sea. That includes the CM11 postcode district.
Prices in Billericay
In the East of England, our guide range for heat load surveys and system design is £445–£1,395 for a standalone design pack, including VAT. That is above the UK middle, mainly because labour and access cost more in the East of England. Larger homes, more zones and full drawing sets for a builder are what move a design pack towards the upper figure. On our East of England figures, the Design pack option (drawings and schedules for one home) is about £445–£895.
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
In England, most houses can have an outdoor unit under permitted development if it is no larger than 1.5 m³, meets the MCS 020(a) noise limit of 37 dB(A) at the nearest neighbour's window, and there are no more than two on a detached house or one on other houses. Listed buildings need consent.
The survey
At the survey we look at how each room is used, where the sun hits it and how the pipes can reach the outside wall, then put it all in a written quote. On a survey in Billericay 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 Billericay includes:
- Electrical load for your electrician
- Written proposal with options
- Pipe and drain routes
- Noise check to the nearest neighbour
- Equipment selection and outdoor unit sizing
Nearby
If you are just outside Billericay, we also work in Basildon (4 miles), Wickford (5 miles) and Brentwood (5 miles). See all services in Billericay or heat load surveys and system design across Essex.

