Commercial ventilation in Trowbridge
A free survey, a clear specification and a fixed price for commercial ventilation in Trowbridge.
- 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 Trowbridge?
Our guide range in Trowbridge is £3,050–£25,500 per system before VAT; a typical job (supply and extract for a 150 m² office) is £7,250–£17,150 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.
Trowbridge and surrounding areas
Businesses in Trowbridge range from independent shops and restaurants to offices, clinics and warehouses. Bath is about 12 km away.
That includes premises in BA14 and the surrounding districts. Nearby, we also cover Melksham (about 8 km), Bath (about 12 km) and Frome (about 13 km). We plan work in Trowbridge so the noisy parts happen when they disturb your business least.
What the job covers
- Supply and extract fans, ductwork and grilles
- Filters, attenuators and fire dampers where required
- Controls such as timers or CO2 sensors
- Air-flow measurement and balancing
- Commissioning records
Commercial ventilation prices in Trowbridge
Guide prices for Trowbridge, set for the South West. Your fixed price comes in writing.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Toilet or kitchenette extract | £515–£1,500 | £618–£1,800 | per room |
| Supply and extract system, small premises | £3,050–£10,350 | £3,660–£12,420 | per system |
| CO2 demand control | £410–£1,295 | £492–£1,554 | per zone |
| Ductwork | £70–£205 | £84–£246 | per metre |
Ex VAT. Larger systems and fire-rated ductwork are priced from a full design.
From enquiry to handover in Trowbridge
Assess
We work out how many people use each space and the fresh-air rate needed. For sites in Trowbridge we confirm access and parking beforehand.
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.
Balance
Air flows are measured and balanced to the design.
Local points to consider
Building Regulations
New or altered ventilation in England must meet Approved Document F. We design to it and hand over the commissioning records.
Working hours
Most Trowbridge businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Fire
Ducts passing through fire-rated walls or floors need fire dampers.
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.
Types of premises we cover in Trowbridge
- Gyms and leisure: high-capacity cooling and fresh air for gym floors, studios and changing rooms.
- Offices: zoned cooling and heating for open-plan floors, meeting rooms and comms rooms.
- Restaurants and cafés: dining rooms that stay comfortable next to a hot kitchen and a busy service.
- Salons and spas: comfortable salons and treatment rooms despite dryers, lamps and steam.
Compliance in England: refrigerant work falls under GB F-gas rules, and buildings with more than 12 kW of air conditioning in total need a periodic energy inspection (often called TM44).
Questions about commercial ventilation in Trowbridge
How much does commercial ventilation cost in Trowbridge?
Guide prices in Trowbridge run from about £3,050 to £25,500 per system, plus VAT. A typical job (supply and extract for a 150 m² office) costs £7,250–£17,150 plus VAT. We fix the price in writing after a free survey.
Do you also cover Melksham, Bath and Frome?
Yes. Alongside Trowbridge, we also cover Melksham, Bath and Frome. Each has its own page with local guide prices.
Which postcodes do you cover in Trowbridge?
All of them, including BA14. Give us your postcode when you enquire and we will confirm the visit details.
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.
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.
Need commercial ventilation in Trowbridge?
Free survey and fixed written quote. We reply with a guide price or to book the survey.