Commercial ventilation in Stevenage
A free survey, a clear specification and a fixed price for commercial ventilation in Stevenage.
- 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 Stevenage?
Our guide range in Stevenage is £3,195–£26,500 per system before VAT; a typical job (supply and extract for a 150 m² office) is £7,500–£17,795 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.
Working in Stevenage
Stevenage supports a mix of high-street retail, professional offices, hospitality and light industry. Luton is about 15 km away.
That includes premises in SG1 and the surrounding districts. Neighbouring towns we cover include Hitchin, Letchworth Garden City and Welwyn Garden City. Buildings across Hertfordshire range from converted period offices to modern units with deep ceiling voids, so we measure each site rather than relying on a standard package.
What you get
- Fresh-air rate calculation for each space
- Supply and extract fans, ductwork and grilles
- Controls such as timers or CO2 sensors
- Air-flow measurement and balancing
- Commissioning records
Local guide prices for Stevenage
Prices below include our regional adjustment for the East of England (8% above the UK guide).
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Toilet or kitchenette extract | £535–£1,550 | £642–£1,860 | per room |
| Supply and extract system, small premises | £3,195–£10,750 | £3,834–£12,900 | per system |
| CO2 demand control | £425–£1,350 | £510–£1,620 | per zone |
| Ductwork | £70–£210 | £84–£252 | per metre |
Ex VAT. Larger systems and fire-rated ductwork are priced from a full design.
How a job in Stevenage works
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. In Stevenage we agree timings around your opening hours.
Balance
Air flows are measured and balanced to the design.
Things to check in Stevenage
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 Stevenage 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.
Access and parking
Town-centre jobs in Stevenage 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 Stevenage
- Salons and spas: comfortable salons and treatment rooms despite dryers, lamps and steam.
- Pubs and bars: cooling for busy bars, function rooms and cellars, sited with neighbours in mind.
- Healthcare and dental: clean, quiet cooling for surgeries, clinics, dental practices and care settings.
- Offices: zoned cooling and heating for open-plan floors, meeting rooms and comms 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.
Common questions from businesses in Stevenage
How much does commercial ventilation cost in Stevenage?
Guide prices in Stevenage run from about £3,195 to £26,500 per system, plus VAT. A typical job (supply and extract for a 150 m² office) costs £7,500–£17,795 plus VAT. We fix the price in writing after a free survey.
Do you also cover Hitchin, Letchworth Garden City and Welwyn Garden City?
Yes. Alongside Stevenage, we also cover Hitchin, Letchworth Garden City and Welwyn Garden City. Each has its own page with local guide prices.
Which postcodes do you cover in Stevenage?
All of them, including SG1. 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.
Can ventilation and air conditioning work together?
Yes, and they should. We coordinate grilles, controls and set points so both systems work efficiently.
Get a guide price for Stevenage
Free survey and fixed written quote. We reply with a guide price or to book the survey.