Commercial ventilation in Portishead
Commercial ventilation for businesses in Portishead — surveyed, designed and priced in writing before any work starts.
- 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 Portishead?
In Portishead, guide prices run from about £3,050 to £25,500 per system, plus VAT. A typical job (supply and extract for a 150 m² office) usually comes to £7,250–£17,150 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.
Where we work around Portishead
Portishead has a compact centre of shops, cafés and offices, with business units on its outskirts. Bristol is about 13 km away.
Postcode districts we cover in Portishead include BS20. Neighbouring towns we cover include Nailsea, Clevedon and Keynsham. We plan work in Portishead so the noisy parts happen when they disturb your business least.
What you get
- Fresh-air rate calculation for each space
- 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
Guide prices in Portishead
These guide prices are adjusted for the South West, where labour and access costs run about 4% above the UK guide.
| 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.
How it works in Portishead
Assess
We work out how many people use each space and the fresh-air rate needed. For sites in Portishead 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.
Before you book in Portishead
Noise
Fans and grilles are selected and attenuated to keep noise down.
Conservation areas
Historic streets and listed buildings in and around Portishead 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.
Access and parking
Town-centre jobs in Portishead 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.
Who we work with in Portishead
- Schools and education: classroom cooling, ventilation and IT room cooling, installed in the holidays.
- 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.
- 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 Portishead
How much does commercial ventilation cost in Portishead?
Guide prices in Portishead 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 Nailsea, Clevedon and Keynsham?
Yes. Alongside Portishead, we also cover Nailsea, Clevedon and Keynsham. Each has its own page with local guide prices.
Which postcodes do you cover in Portishead?
All of them, including BS20. 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.
Talk to us about your premises in Portishead
Free survey and fixed written quote. We reply with a guide price or to book the survey.