Commercial ventilation in New Malden
A free survey, a clear specification and a fixed price for commercial ventilation in New Malden.
- Free site survey and fixed written quote
- Equipment, positions and price set out in writing
- Work planned around your opening hours
How much does commercial ventilation cost in New Malden?
In New Malden, guide prices run from about £3,795 to £31,500 per system, plus VAT. A typical job (supply and extract for a 150 m² office) usually comes to £8,895–£20,995 plus VAT. Your exact price is fixed in writing once we have surveyed.
Commercial ventilation brings outdoor air into a building and removes stale air, using fans and ductwork to supply and extract air at the rates needed for the number of people and the activity.
Covering New Malden and nearby
In New Malden, commercial premises range from street-level shops and restaurants to offices in converted and modern buildings, many with managing agents and landlord consents to work through.
Postcode districts we cover in New Malden include KT3. Nearby, we also cover Surbiton (about 3 km), Morden (about 4 km) and Wimbledon (about 4 km). For commercial ventilation in New Malden, the survey looks at how the space is used, where equipment and ductwork can go and what the electrical supply can take.
What you get
- Fresh-air rate calculation for each space
- Filters, attenuators and fire dampers where required
- Controls such as timers or CO2 sensors
- Air-flow measurement and balancing
- Commissioning records
Local guide prices for New Malden
Guide prices for New Malden, set for London. Your fixed price comes in writing.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Toilet or kitchenette extract | £635–£1,850 | £762–£2,220 | per room |
| Supply and extract system, small premises | £3,795–£12,750 | £4,554–£15,300 | per system |
| CO2 demand control | £505–£1,595 | £606–£1,914 | per zone |
| Ductwork | £85–£245 | £102–£294 | per metre |
Ex VAT. Larger systems and fire-rated ductwork are priced from a full design.
How we work in New Malden
Assess
We work out how many people use each space and the fresh-air rate needed.
Design
Fan, duct and grille sizes are designed for air flow, noise and energy use.
Install
Ductwork and fans are installed and connected to controls. We keep work areas in New Malden screened and tidy at the end of each day.
Balance
Air flows are measured and balanced to the design.
Points to plan for in New Malden
Building Regulations
New or altered ventilation in England must meet Approved Document F. We design to it and hand over the commissioning records.
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.
Fire
Ducts passing through fire-rated walls or floors need fire dampers.
Access and parking
Town-centre jobs in New Malden often come down to access — loading restrictions, parking for the van and getting equipment onto a roof. We check this at survey and plan deliveries around it.
Types of premises we cover in New Malden
- Salons and spas: comfortable salons and treatment rooms despite dryers, lamps and steam.
- Restaurants and cafés: dining rooms that stay comfortable next to a hot kitchen and a busy service.
- Pubs and bars: cooling for busy bars, function rooms and cellars, sited with neighbours in mind.
- Gyms and leisure: high-capacity cooling and fresh air for gym floors, studios and changing rooms.
In England, systems holding 5 tonnes CO2 equivalent of refrigerant or more fall under GB F-gas rules, with regular leak checks and records; buildings with more than 12 kW of air conditioning in total also need a periodic energy inspection.
FAQs for New Malden
How much does commercial ventilation cost in New Malden?
Guide prices in New Malden run from about £3,795 to £31,500 per system, plus VAT. A typical job (supply and extract for a 150 m² office) costs £8,895–£20,995 plus VAT. We fix the price in writing after a free survey.
Do you also cover Surbiton, Morden and Wimbledon?
Yes. Alongside New Malden, we also cover Surbiton, Morden and Wimbledon. Each has its own page with local guide prices.
Which postcodes do you cover in New Malden?
All of them, including KT3. Give us your postcode when you enquire and we will confirm the visit details.
Do you install kitchen extraction?
Commercial kitchen canopies are a specialist area. We focus on general supply and extract, toilets and heat recovery, and can advise on kitchen requirements.
How much fresh air does an office need?
Guidance for offices is typically around 10 litres per second per person, with more for rooms with higher pollutant loads. We calculate it per space.
Talk to us about your premises in New Malden
Free survey and fixed written quote. We reply with a guide price or to book the survey.