Commercial ventilation design and installation in Carshalton

For Carshalton landlords and occupiers, we can design the ventilation or install to your consultant's drawings.

Work in Carshalton follows the rules for England and finishes with a written record of what was fitted and how it was set up.

Commercial ventilation in Carshalton at a glance

Town: Carshalton, Greater London
Postcode districts: SM1, SM5 and SM6
Nearby: Wallington (1 mile), St Helier (1 mile) and Sutton (2 miles)
Price region: London
Survey: Free survey (UK mainland)

How we approach commercial ventilation in Carshalton

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. Typical jobs are fit-outs and refurbishments: a new tenant needs ventilation to match a new layout, an old system cannot keep up with more staff, or a change of use needs a fresh design.

Toilet and kitchenette extract

Dedicated extract for welfare areas.

Demand control

CO2 or occupancy sensors that slow the system when rooms are empty.

Guide prices in Carshalton

Commercial ventilation design and installation guide prices in Carshalton
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.

Signs it is time to call us

Stuffy meeting rooms and afternoon drowsiness
More staff than the system was designed for
A fit-out or change of layout

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 Carshalton

Do you cover Carshalton and nearby?

Yes. We cover Carshalton and nearby places including Wallington, St Helier, Sutton and Belmont. Send your postcode and we will confirm.

How much fresh air does an office need?

A common design rate for offices is 10 litres a second per person, used in Approved Document F and CIBSE guidance, with more for meeting rooms and areas with higher occupancy.

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.

What is the price of commercial ventilation in Carshalton?

Guide prices for Carshalton 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 Carshalton?

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.

Ask about working to your fit-out programme in Carshalton.