Hemel Hempstead, Hertfordshire
Commercial ventilation design and installation in Hemel Hempstead
Supply and extract with heat recovery for offices, shops, clinics and fit-outs. Covering Hemel Hempstead and HP1, HP2 and HP3.
- From £8,350 + VAT per system
- Free survey
A change of use in Hemel Hempstead often needs a fresh ventilation design, which we can provide.
Customers in Hemel Hempstead can get a guide price online in a couple of minutes. It uses East of England rates, which is what we would charge for the same job anywhere in Hertfordshire. Surveys for new installations are free on the UK mainland, with a written quote afterwards.
Commercial ventilation in Hemel Hempstead at a glance
- Town
- Hemel Hempstead, Hertfordshire
- Postcode districts
- HP1, HP2 and HP3
- Nearby
- Abbots Langley (4 miles), Berkhamsted (5 miles) and St Albans (5 miles)
- Price region
- East of England
- Survey
- Free survey (UK mainland)
Commercial ventilation for Hemel Hempstead premises
Employers must make sure every enclosed workplace is ventilated by a sufficient quantity of fresh or purified air under the Workplace (Health, Safety and Welfare) Regulations 1992. In practice, designers work to rates such as 10 litres a second per person for offices, taken from Approved Document F and CIBSE guidance, and adjust for meeting rooms, kitchens and toilets.
Toilet and kitchenette extract
Dedicated extract for welfare areas.
Demand control
CO2 or occupancy sensors that slow the system when rooms are empty.
Guide prices in Hemel Hempstead
| Work | Guide price |
|---|---|
| Small office or shop: heat recovery unit, ductwork and controls (up to about 150 m²) (per system) | £8,350–£17,800 + VAT |
| Office supply and extract ventilation with heat recovery, during a fit-out (per m² of floor) | £60–£130 + VAT |
These ranges use our East of England rates. Prices exclude VAT. You get a fixed written price before any work is booked.
When to get it looked at
- A change of use that needs a new ventilation design
- Windows the only source of fresh air
- Old units that are noisy, inefficient or failing
Rules that apply in England
In England, ventilation is covered by Part F of the Building Regulations and its guidance, Approved Document F (2021 edition). Workplaces must also be ventilated with a sufficient quantity of fresh or purified air under the Workplace (Health, Safety and Welfare) Regulations 1992.
Questions from Hemel Hempstead
How do I get a price for commercial ventilation in Hemel Hempstead?
Use the guide price tool, the form on this page, live chat, WhatsApp or call 0800 088 6341. A postcode and a couple of photos help us give you a useful answer first time.
How much does commercial ventilation cost?
A small office or shop with a single heat recovery unit typically costs £7,950 to £16,950 excluding VAT. Larger fit-outs are often priced at around £55 to £125 per square metre of floor, depending on design and ceiling access.
How much fresh air does an office need?
A common design rate for offices is 10 litres a second per person, used in Approved Document F and CIBSE guidance, with more for meeting rooms and areas with higher occupancy.
What area around Hemel Hempstead do you work in?
All of Hertfordshire. Near Hemel Hempstead that includes Abbots Langley, Berkhamsted, St Albans and North Watford.
Do you cover Hemel Hempstead and nearby?
Yes. We cover Hemel Hempstead and nearby places including Abbots Langley, Berkhamsted, St Albans and North Watford. Send your postcode and we will confirm.
Book a free site survey in Hemel Hempstead and send floor plans if you have them.
Commercial ventilation near Hemel Hempstead
More services in Hemel Hempstead
Get a guide price in two minutes
Answer a few questions for a price range, or send photos and we will come back to you with a written quote.