Heat load surveys and system design in Northolt
The urban heat island effect means London bedrooms can stay uncomfortably warm on summer nights. For self-builds and extensions in Northolt, a standalone design pack can go straight to your builder.
No two rooms in Northolt gain or lose heat in quite the same way, which is exactly why rooms are measured before sizing. Northolt lies roughly 11 miles from central London, and we cover it as part of London. We cover UB5 and the streets around them.
Prices in Northolt
Guide prices around Northolt run from £495 to £1,645 for a standalone design pack including VAT. Prices here sit above the national middle, reflecting London labour rates and parking and access costs. A standalone design pack is priced on the size of the home, the number of rooms and how much drawing work your builder or architect needs. On our London figures, the Design pack option (drawings and schedules for one home) is about £495–£1,045.
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
For most houses in Northolt, the outdoor unit is permitted development if it passes the MCS 020(a) noise check (37 dB(A) or less at the nearest neighbouring window) and stays within the size and number limits. We run that check on survey.
The survey
On a survey in Northolt the engineer looks at room size, glazing, the route for pipes and drains, the electrics and where the outdoor unit can sit quietly, then the written quote follows. 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.
What is included
What a job in Northolt covers:
- Equipment selection and outdoor unit sizing
- Room-by-room heat gain and heat loss
- Written proposal with options
- Pipe and drain routes
- Noise check to the nearest neighbour
Nearby
We also cover Greenford (1 mile), Harrow (3 miles) and Southall (3 miles). See all services in Northolt or heat load surveys and system design across London.