Heat load surveys and system design in Paisley
Mild Scottish summers mean cooling matters most in conservatories, lofts and rooms with large windows. No two rooms in Paisley gain or lose heat in quite the same way, which is exactly why rooms are measured before sizing.
For self-builds and extensions in Paisley, a standalone design pack can go straight to your builder. We cover Paisley and the rest of Renfrewshire and Inverclyde, including Greenock and Newton Mearns. Postcode districts we cover here include PA1 and PA2.
Prices in Paisley
Heat load surveys and system design in Paisley typically come in at £365–£1,145 for a standalone design pack including VAT, based on Central and Southern Scotland rates. It is a touch below the UK middle, as trade rates in Central and Southern Scotland 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 Central and Southern Scotland 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
In Scotland, planning conditions for outdoor units depend on the property type and location; conservation areas and listed buildings need particular care.
The survey
A survey in Paisley 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. We book surveys in Paisley at a time that suits you, including early evenings by arrangement, and send the written quote afterwards.
What is included
Included as standard in Paisley:
- Noise check to the nearest neighbour
- Room-by-room heat gain and heat loss
- Equipment selection and outdoor unit sizing
- Written proposal with options
- Electrical load for your electrician
Nearby
Neighbouring places we cover include Barrhead (3 miles), Renfrew (3 miles) and Johnstone (3 miles). See all services in Paisley or heat load surveys and system design across Renfrewshire and Inverclyde.

