Kitchens, workshops and duct cleaning, County Londonderry
Local exhaust ventilation (LEV) in County Londonderry
Fume, dust and mist extraction for workshops, with COSHH thorough examination and testing, across County Londonderry.
- From £180 + VAT per system
- By arrangement

Local exhaust ventilation (LEV) captures dust, fume, vapour or mist at the source, such as a welding bench, saw or spray booth, before workers breathe it in. We design and install LEV and arrange the thorough examination and test that COSHH requires at least every 14 months.
If you are anywhere in County Londonderry, send the postcode and a few photos and we will tell you what we would recommend. Towns we cover include Derry, Coleraine and Limavady.
LEV in County Londonderry at a glance
- Area
- County Londonderry, Northern Ireland
- Towns listed
- 3, largest Derry
- Postcode districts
- BT49, BT47, BT48, BT52 and BT55
- Price region
- Northern Ireland
- Survey
- By arrangement, travel quoted first
What local exhaust ventilation (LEV) involves
We install extraction arms, hoods, booths, ductwork and fans, set them up to the capture velocities the process needs, and provide commissioning information and user checks so operators know the system is working day to day.
Booths and hoods
Enclosing hoods and spray or mixing booths.
Thorough examination and test
Statutory testing with a written report.
Fume extraction arms
Articulated arms for welding and soldering benches.
Guide prices in County Londonderry
| Work | Guide price |
|---|---|
| LEV thorough examination and test with written report (per system) | £180–£365 + VAT |
| LEV design and install: extraction arm, booth or hood, ductwork and fan (per system) | £2,250–£8,250 + VAT |
Guide prices using Northern Ireland rates. Prices exclude VAT. A guide price is not a quote: we confirm a fixed price in writing first. Travel is quoted separately for this area.
Common reasons people call
- A new process or workstation
- Operators unsure if the system works
- Old extraction with no commissioning records
Rules in Northern Ireland
In Northern Ireland, HSENI enforces the 2003 COSHH regulations, which include LEV examination and testing.
How the job runs
- Assess
- Design
- Install
- Commission
- Test
Towns we cover in County Londonderry
Questions about local exhaust ventilation (LEV) in County Londonderry
Which towns in County Londonderry do you cover?
All of County Londonderry, including Derry, Coleraine and Limavady. If your town is not listed, send the postcode and we will confirm.
Who can carry out LEV testing?
The examination and test must be done by a competent person; many testers hold the BOHS P601 qualification. We confirm who carries out your test when we book it.
How much does a new LEV system cost?
A single extraction arm, booth or hood with ductwork and fan typically costs £2,450 to £8,950 excluding VAT.
Are prices different in County Londonderry?
Our guide prices are adjusted by region. In County Londonderry we use Northern Ireland rates, so LEV thorough examination and test with written report is typically £180 to £365 + VAT per system.
Is the survey free in County Londonderry?
Visits here are by arrangement. Because of the ferry or long travel involved, we quote travel separately and in writing before you commit, and we can often combine visits to keep the cost down.
Other services in County Londonderry
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.