Heat load surveys and system design in Ashford, Kent
For self-builds and extensions in Ashford, a standalone design pack can go straight to your builder. In the South East, loft rooms and glazed extensions can climb well above the outside temperature on a sunny afternoon.
Every Ashford quote starts with a room-by-room survey rather than a guess from floor area. Ashford, Kent sits around 18 miles from Maidstone, inside our Kent area. Coverage includes TN24.
Prices in Ashford, Kent
For Ashford, Kent, expect roughly £495 to £1,495 for a standalone design pack, VAT included, adjusted for typical South East England rates. Prices here sit above the national middle, reflecting South East England 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. 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
A survey in Ashford 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. 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.
What is included
Here is what is included on every job in Ashford:
- Electrical load for your electrician
- Pipe and drain routes
- Noise check to the nearest neighbour
- Written proposal with options
- Room-by-room heat gain and heat loss
Nearby
Close to Ashford, our coverage also includes Faversham (12 miles), Canterbury (13 miles) and Folkestone (13 miles). See all services in Ashford, Kent or heat load surveys and system design across Kent.