Heat load surveys and system design in Barking
London's dense streets hold heat overnight, so top-floor flats and loft rooms often stay warm long after sunset. Every Barking quote starts with a room-by-room survey rather than a guess from floor area.
No two rooms in Barking gain or lose heat in quite the same way, which is exactly why rooms are measured before sizing. Barking sits around 9 miles from central London, inside our London area. Postcode districts we cover here include IG11.
Prices in Barking
For Barking, expect roughly £495 to £1,645 for a standalone design pack, VAT included, adjusted for typical London rates. London is one of the dearer parts of the UK for trades, which shows in the range. A standalone design pack is priced on the size of the home, the number of rooms and how much drawing work your builder or architect needs. For reference, the Design pack option in Barking (drawings and schedules for one home) usually comes to about £495–£1,045.
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
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 Barking 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 as standard in Barking:
- Electrical load for your electrician
- Room-by-room heat gain and heat loss
- Equipment selection and outdoor unit sizing
- Written proposal with options
- Pipe and drain routes
Nearby
Close to Barking, our coverage also includes Ilford (2 miles), Becontree (2 miles) and Thamesmead (3 miles). See all services in Barking or heat load surveys and system design across London.