Harlesden, Greater London
Commercial ventilation design and installation in Harlesden
Supply and extract with heat recovery for offices, shops, clinics and fit-outs. Covering Harlesden and NW2, NW10 and W10.
- From £9,550 + VAT per system
- Free survey

A change of use in Harlesden often needs a fresh ventilation design, which we can provide.
Harlesden is about 99 miles from our base in Great Barr, Birmingham. We book Harlesden visits by appointment and confirm the date in writing. Surveys for new installations are free on the UK mainland, with a written quote afterwards.
Commercial ventilation in Harlesden at a glance
- Town
- Harlesden, Greater London
- Postcode districts
- NW2, NW10 and W10
- Nearby
- Willesden (1 mile), Kensal Green (1 mile) and Queen's Park (2 miles)
- Price region
- London
- Survey
- Free survey (UK mainland)
Commercial ventilation for Harlesden premises
Employers must make sure every enclosed workplace is ventilated by a sufficient quantity of fresh or purified air under the Workplace (Health, Safety and Welfare) Regulations 1992. In practice, designers work to rates such as 10 litres a second per person for offices, taken from Approved Document F and CIBSE guidance, and adjust for meeting rooms, kitchens and toilets.
Demand control
CO2 or occupancy sensors that slow the system when rooms are empty.
Design and build or install-only
We design it, or install to a consultant's drawings.
Guide prices in Harlesden
| Work | Guide price |
|---|---|
| Small office or shop: heat recovery unit, ductwork and controls (up to about 150 m²) (per system) | £9,550–£20,350 + VAT |
| Office supply and extract ventilation with heat recovery, during a fit-out (per m² of floor) | £65–£150 + VAT |
These ranges use our London rates. Prices exclude VAT. You get a fixed written price before any work is booked.
When to get it looked at
- A change of use that needs a new ventilation design
- Windows the only source of fresh air
- Old units that are noisy, inefficient or failing
Rules that apply in England
In England, ventilation is covered by Part F of the Building Regulations and its guidance, Approved Document F (2021 edition). Workplaces must also be ventilated with a sufficient quantity of fresh or purified air under the Workplace (Health, Safety and Welfare) Regulations 1992.
Questions from Harlesden
Do you cover Harlesden and nearby?
Yes. We cover Harlesden and nearby places including Willesden, Kensal Green, Queen's Park and Cricklewood. Send your postcode and we will confirm.
Is ventilation a legal requirement in the workplace?
Yes. The Workplace (Health, Safety and Welfare) Regulations 1992 require effective and suitable ventilation with a sufficient quantity of fresh or purified air in every enclosed workplace.
Can you work as a subcontractor on a fit-out?
Yes. We can install to a main contractor's programme and consultants' drawings, and supply commissioning records for handover.
What is the price of commercial ventilation in Harlesden?
Guide prices for Harlesden use London rates: small office or shop: heat recovery unit, ductwork and controls (up to about 150 m²) is typically £9,550 to £20,350 + VAT per system. We confirm a fixed price in writing before any work starts.
Is the survey free in Harlesden?
For new installations on the UK mainland, yes. The survey is free and the quote that follows is fixed and in writing. Servicing, testing and repair visits are charged, and we confirm the cost before booking.
Call us to arrange a Harlesden survey at a time that suits your business.
Commercial ventilation near Harlesden
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