Heat load surveys and system design in Seaham
In the North East, sizing for winter heating and then checking summer cooling usually gives the right system. No two rooms in Seaham gain or lose heat in quite the same way, which is exactly why rooms are measured before sizing.
For self-builds and extensions in Seaham, a standalone design pack can go straight to your builder. Seaham lies roughly 10 miles from Durham, and we cover it as part of County Durham. Coverage includes SR7.
Prices in Seaham
Our North East England guide price for heat load surveys and system design is £365–£1,145 for a standalone design pack, VAT included. It is a touch below the UK middle, as trade rates in North East England tend to be. The design pack price depends mainly on the number of rooms and whether full drawings and equipment schedules are needed. On our North East England figures, the Design pack option (drawings and schedules for one home) is about £365–£745.
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
England's rules let most houses fit an outdoor unit without a planning application, as long as the size, number and MCS 020(a) noise conditions are met. Flats, listed buildings and roof-mounted units are treated differently.
The survey
The free survey is where the real price is set: room measurements, pipe and drain routes, electrical checks and the outdoor unit position, all written into your quote. A survey in Seaham 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 with heat load surveys and system design in Seaham:
- Electrical load for your electrician
- Noise check to the nearest neighbour
- Room-by-room heat gain and heat loss
- Pipe and drain routes
- Written proposal with options
Nearby
Nearby, we also cover Houghton-Le-Spring (5 miles), Sunderland (5 miles) and Washington (8 miles). See all services in Seaham or heat load surveys and system design across County Durham.

