Commercial ventilation in Horsham
A free survey, a clear specification and a fixed price for commercial ventilation in Horsham.
- 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 Horsham?
Our guide range in Horsham is £3,395–£27,995 per system before VAT; a typical job (supply and extract for a 150 m² office) is £7,995–£18,995 plus VAT. The fixed price follows a free survey.
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.
Horsham and surrounding areas
In Horsham, typical premises are high-street shops, offices above them, surgeries, salons and local industrial units. Crawley is about 12 km away.
We work across Horsham's postcode districts, including RH12 and WR6. We also cover Crawley, Horley and Haywards Heath, all within easy reach of Horsham. Commercial ventilation in Horsham is priced from a written specification that lists the equipment, positions, controls and commissioning.
What we do
- 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
Local guide prices for Horsham
These guide prices are adjusted for the South East, where labour and access costs run about 15% above the UK guide.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Toilet or kitchenette extract | £570–£1,650 | £684–£1,980 | per room |
| Supply and extract system, small premises | £3,395–£11,450 | £4,074–£13,740 | per system |
| CO2 demand control | £455–£1,450 | £546–£1,740 | per zone |
| Ductwork | £75–£225 | £90–£270 | per metre |
Ex VAT. Larger systems and fire-rated ductwork are priced from a full design.
From enquiry to handover in Horsham
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 Horsham screened and tidy at the end of each day.
Balance
Air flows are measured and balanced to the design.
Things to check in Horsham
Building Regulations
New or altered ventilation in England must meet Approved Document F. We design to it and hand over the commissioning records.
Conservation areas
Historic streets and listed buildings in and around Horsham are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.
Fire
Ducts passing through fire-rated walls or floors need fire dampers.
Working hours
Most Horsham businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Premises we work in around Horsham
- Pubs and bars: cooling for busy bars, function rooms and cellars, sited with neighbours in mind.
- Salons and spas: comfortable salons and treatment rooms despite dryers, lamps and steam.
- Schools and education: classroom cooling, ventilation and IT room cooling, installed in the holidays.
- 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.
Questions about commercial ventilation in Horsham
How much does commercial ventilation cost in Horsham?
Guide prices in Horsham run from about £3,395 to £27,995 per system, plus VAT. A typical job (supply and extract for a 150 m² office) costs £7,995–£18,995 plus VAT. We fix the price in writing after a free survey.
Do you also cover Crawley, Horley and Haywards Heath?
Yes. Alongside Horsham, we also cover Crawley, Horley and Haywards Heath. Each has its own page with local guide prices.
Which postcodes do you cover in Horsham?
All of them, including RH12 and WR6. Give us your postcode when you enquire and we will confirm the visit details.
Can ventilation and air conditioning work together?
Yes, and they should. We coordinate grilles, controls and set points so both systems work efficiently.
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.
Get a guide price for Horsham
Free survey and fixed written quote. We reply with a guide price or to book the survey.