Northwood, Greater London
Commercial ventilation design and installation in Northwood
Supply and extract with heat recovery for offices, shops, clinics and fit-outs. Covering Northwood and HA5, HA6 and WD19.
- From £9,550 + VAT per system
- Free survey
For Northwood landlords and occupiers, we can design the ventilation or install to your consultant's drawings.
For commercial ventilation design and installation in Northwood, send us the postcode, a few photos and a rough idea of the rooms involved. We will tell you what we would fit and roughly what it costs before arranging a visit.
Commercial ventilation in Northwood at a glance
- Town
- Northwood, Greater London
- Postcode districts
- HA5, HA6 and WD19
- Nearby
- Northwood Hills (1 mile), Croxley Green (2 miles) and Pinner (2 miles)
- Price region
- London
- Survey
- Free survey (UK mainland)
Commercial ventilation for Northwood 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.
Design and build or install-only
We design it, or install to a consultant's drawings.
Heat recovery supply and extract
One or more units with ductwork to diffusers, sized for occupancy.
Guide prices in Northwood
| 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 |
London rates shown. Prices exclude VAT. The fixed price is confirmed in writing after we have seen the job.
Signs it is time to call us
- More staff than the system was designed for
- A fit-out or change of layout
- A change of use that needs a new ventilation design
Rules that apply in England
English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. 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 Northwood
What is the price of commercial ventilation in Northwood?
Guide prices for Northwood 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 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.
Is the survey free in Northwood?
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.
How do I get a price for commercial ventilation in Northwood?
Use the guide price tool, the form on this page, live chat, WhatsApp or call 0800 088 6341. A postcode and a couple of photos help us give you a useful answer first time.
Call us to arrange a Northwood survey at a time that suits your business.
Commercial ventilation near Northwood
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Get a guide price in two minutes
Answer a few questions for a price range, or send photos and we will come back to you with a written quote.