Heat load surveys and system design in St Albans
Bright summers in the East of England mean solar gain through glass is usually the biggest load to design for. No two rooms in St Albans gain or lose heat in quite the same way, which is exactly why rooms are measured before sizing.
Every St Albans quote starts with a room-by-room survey rather than a guess from floor area. We cover St Albans as part of Hertfordshire, roughly 7 miles from Watford. That includes the AL1 and AL3 postcode districts.
Prices in St Albans
Guide prices around St Albans run from £445 to £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. As an example, the Design pack option (drawings and schedules for one home) would typically be £445–£895 here.
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
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. We book surveys in St Albans at a time that suits you, including early evenings by arrangement, and send the written quote afterwards.
What is included
Every job in St Albans includes:
- Electrical load for your electrician
- Written proposal with options
- Pipe and drain routes
- Noise check to the nearest neighbour
- Room-by-room heat gain and heat loss
Nearby
Neighbouring places we cover include Harpenden (5 miles), Hatfield (5 miles) and Hemel Hempstead (5 miles). See all services in St Albans or heat load surveys and system design across Hertfordshire.

