Heat load surveys and system design in Maghull
Damp North West weather makes the dehumidifying mode of a modern split system genuinely useful for much of the year. Every Maghull quote starts with a room-by-room survey rather than a guess from floor area.
No two rooms in Maghull gain or lose heat in quite the same way, which is exactly why rooms are measured before sizing. Maghull lies roughly 7 miles from Liverpool, and we cover it as part of Merseyside. That includes the L31 postcode district.
Prices in Maghull
Budget around £375–£1,195 for a standalone design pack including VAT for heat load surveys and system design in and around Maghull. Labour rates in North West England keep this slightly under the national middle. 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 £375–£745 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
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
We book surveys in Maghull at a time that suits you, including early evenings by arrangement, and send the written quote afterwards. A survey in Maghull 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
Every job in Maghull includes:
- Equipment selection and outdoor unit sizing
- Pipe and drain routes
- Room-by-room heat gain and heat loss
- Electrical load for your electrician
- Written proposal with options
Nearby
If you are just outside Maghull, we also work in Kirkby (3 miles), Litherland (4 miles) and Ormskirk (4 miles). See all services in Maghull or heat load surveys and system design across Merseyside.