St Helens, Merseyside
Commercial ventilation design and installation in St Helens
Supply and extract with heat recovery for offices, shops, clinics and fit-outs. Covering St Helens and WA9, WA10 and WA11.
- From £7,550 + VAT per system
- Free survey
Commercial ventilation in St Helens is often part of an office or shop fit-out.
For commercial ventilation design and installation in St Helens, 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 St Helens at a glance
- Town
- St Helens, Merseyside
- Postcode districts
- WA9, WA10 and WA11
- Nearby
- Haydock (2 miles), Rainhill (3 miles) and Whiston (3 miles)
- Price region
- North West
- Survey
- Free survey (UK mainland)
Commercial ventilation for St Helens 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.
Heat recovery supply and extract
One or more units with ductwork to diffusers, sized for occupancy.
Toilet and kitchenette extract
Dedicated extract for welfare areas.
Guide prices in St Helens
| Work | Guide price |
|---|---|
| Small office or shop: heat recovery unit, ductwork and controls (up to about 150 m²) (per system) | £7,550–£16,100 + VAT |
| Office supply and extract ventilation with heat recovery, during a fit-out (per m² of floor) | £50–£120 + VAT |
Guide prices using North West rates. Prices exclude VAT. A guide price is not a quote: we confirm a fixed price in writing first.
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
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 St Helens
Do you cover St Helens and nearby?
Yes. We cover St Helens and nearby places including Haydock, Rainhill, Whiston and Prescot. Send your postcode and we will confirm.
Can the system cool as well?
Ventilation alone moves air; it does not cool much. Where cooling is needed we can coordinate with the air conditioning installer.
How much does commercial ventilation cost?
A small office or shop with a single heat recovery unit typically costs £7,950 to £16,950 excluding VAT. Larger fit-outs are often priced at around £55 to £125 per square metre of floor, depending on design and ceiling access.
What is the price of commercial ventilation in St Helens?
Guide prices for St Helens use North West rates: small office or shop: heat recovery unit, ductwork and controls (up to about 150 m²) is typically £7,550 to £16,100 + VAT per system. We confirm a fixed price in writing before any work starts.
Is the survey free in St Helens?
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.
Get in touch with your St Helens postcode and floor area for a first guide price.
Commercial ventilation near St Helens
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Answer a few questions for a price range, or send photos and we will come back to you with a written quote.