HVAC design and heat load surveys in Northolt
HVAC design and heat load surveys for businesses in Northolt — surveyed, designed and priced in writing before any work starts.
- Design fees confirmed in writing first
- Equipment, positions and price set out in writing
- Work planned around your opening hours
How much does HVAC design cost in Northolt?
Budget roughly £635–£3,150 per project ex VAT in Northolt. For a typical job — design package for a 300–800 m² office — expect £1,250–£3,150 plus VAT. Your exact price is fixed in writing before any work starts.
An HVAC design and heat load survey works out how much heating and cooling each space needs — from occupancy, equipment, lighting, glazing, orientation and the building fabric — and sets out the system type, unit sizes and positions, pipe and duct routes and controls in a written specification.
Covering Northolt and nearby
Premises in Northolt are often in mixed-use buildings with shared roofs and tight access, so outdoor unit positions are agreed early.
Postcode districts we cover in Northolt include UB5. We also cover Greenford, Harrow and Southall, all within easy reach of Northolt. We plan work in Northolt so the noisy parts happen when they disturb your business least.
What we do
- Room-by-room heat gain and heat loss calculations
- System options with pros, cons and budget costs
- Layout drawings for units, pipework and condensate
- Electrical load and supply requirements
- Noise data for planning or landlord approval
HVAC design prices in Northolt
These guide prices are adjusted for London, where labour and access costs run about 28% above the UK guide.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Heat load survey for a single installation | Free | Free | free with a quote |
| Design package, small premises | £635–£1,250 | £762–£1,500 | per project |
| Design package, larger premises | £1,250–£3,150 | £1,500–£3,780 | per project |
| Noise assessment data pack for planning | £380–£1,150 | £456–£1,380 | per project |
Ex VAT. Design fees for larger projects are credited against installation if we carry it out.
The steps for a project in Northolt
Brief
We agree the use, occupancy, hours and budget.
Survey
We measure the space and record fabric, glazing and services.
Calculate and design
Loads are calculated and a system designed. In Northolt we agree timings around your opening hours.
Specify
You receive drawings and a specification.
Things to check in Northolt
Noise
Outdoor unit noise is designed in from the start, not fixed afterwards.
Working hours
Most Northolt businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Future use
Allow for growth in occupancy or IT load.
Shared buildings
In multi-let buildings, roof space, risers and plant areas are often controlled by a managing agent. We work to their permits and method-statement requirements.
Who we work with in Northolt
- Warehouses and industrial: cooling for offices, mezzanines, control rooms and temperature-sensitive areas.
- Salons and spas: comfortable salons and treatment rooms despite dryers, lamps and steam.
- Schools and education: classroom cooling, ventilation and IT room cooling, installed in the holidays.
- Offices: zoned cooling and heating for open-plan floors, meeting rooms and comms rooms.
Compliance in England: refrigerant work falls under GB F-gas rules, and buildings with more than 12 kW of air conditioning in total need a periodic energy inspection (often called TM44).
Common questions from businesses in Northolt
How much does HVAC design cost in Northolt?
Guide prices in Northolt run from about £635 to £3,150 per project, plus VAT. A typical job (design package for a 300–800 m² office) costs £1,250–£3,150 plus VAT. We confirm the price in writing before work starts.
Do you also cover Greenford, Harrow and Southall?
Yes. Alongside Northolt, we also cover Greenford, Harrow and Southall. Each has its own page with local guide prices.
Which postcodes do you cover in Northolt?
All of them, including UB5. Give us your postcode when you enquire and we will confirm the visit details.
Why do I need a heat load calculation?
It sizes the system to what the room actually needs, avoiding oversized equipment that wastes money and undersized equipment that cannot cope.
Do you provide noise data for planning?
Yes. We can supply manufacturer noise data and calculations to support a planning application.
Need HVAC design and heat load surveys in Northolt?
Heat loads for single installations are free with a quote; design fees are confirmed before work starts.