Hertfordshire · Ventilation duct cleaning
Ventilation duct cleaning in Chorleywood, Hertfordshire
TR19 air cleaning of general supply and extract ventilation ductwork in commercial buildings for businesses, landlords and public buildings in Chorleywood. BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease.
- Ventilation full of debris from building work
- Ductwork with too few access panels to clean
- Ventilation that needs a TR19® Air inspection
What affects the cost of ventilation duct cleaning
The survey tells us what the work involves. We look at:
- What state the system is in
- How many systems or sites are involved
- When the work can happen, such as evenings, overnight or weekends
- One-off work versus a regular cycle
Whatever the type of site, the quote works the same way: how much there is, how we reach it, what state it’s in and when we can work. Ask for a fixed quote and we’ll explain each part.
Helping us quote
We can often survey from photos. The most useful are:
- Close-ups of filters, grilles, hatches or access panels
- Any previous report or certificate
- The postcode and the type of business
- Photos showing the whole system and its surroundings
Photos are enough for some jobs, while others need a look on site. Big or complicated sites, and systems that are hard to see in pictures, get a survey first. Either way, the quote is fixed before any work is booked.
How we handle ventilation duct cleaning in Chorleywood
Inspection comes first. The ducts are opened at access points and the condition recorded, then recommend cleaning where it’s needed. That keeps the work in proportion to the risk. If you’re dealing with extract ducts clogged with lint and dust and ductwork with too few access panels to clean, we can put it right.
Smaller buildings around Chorleywood often keep their ventilation units in a roof void or plant cupboard, where they’re easy to forget. Every unit, large or small, has filters, coils and a drain tray to keep clean.
A written report with photos follows every visit, so you have a record of what was done and when. Kitchen extract cleaning to TR19® Grease is certificated through the BESCA Vent Hygiene Elite portal.
- Place
- Chorleywood (WD3)
- Region
- Hertfordshire
- Reporting
- Written report with pictures
- Price
- A fixed quote up front
- Hours
- After hours by arrangement; emergencies any time
- Call
- 0345 646 2711
- Last updated
- 30 October 2026
Looking after it afterwards
Once we have finished, these simple steps help:
- Log every filter change
- Keep to the inspection interval in your report
- Report leaks or damp near ceilings and risers
- Wipe grilles and diffusers during routine cleaning
Share the report with whoever looks after the building’s maintenance, so the history stays together. Over time, it shows how quickly the system gets dirty.
Deal with condensation and leaks near ducts promptly, as wet dust is much harder to clean.
Chorleywood: your questions answered
Can ventilation in schools around Chorleywood be cleaned out of term?
Yes, and it’s the easiest time to do it. With about 15 schools and colleges on the FSA’s register within roughly a mile and a half of Chorleywood, it pays to plan holiday dates ahead. Just call 0345 646 2711 or use the quote form with your term dates and we will plan around them.
Do you work at weekends in Chorleywood?
Yes, out-of-hours work is a big part of what we do. It means the site in Chorleywood keeps running as normal. Let us know the hours you’re closed and we will book within them.
Do you have a 24/7 line?
Yes. For anything urgent, such as a fan failure or damage after a fire, ring the 24/7 line, and we will advise on what to do next.
How do you deal with ducts you can’t get into?
Nothing is hidden: any section we couldn’t get into is listed. Access panels can be added where necessary.
Is TR19 cleaning required by law?
Not in itself. Insurers, fire officers and EHOs look to TR19® as the benchmark, and many insurers ask for proof of cleaning to it. The law behind it is the Fire Safety Order 2005 in England and Wales.
Do you survey the system first?
Yes, on every job. The survey shows the layout, the access and the condition before giving a fixed quote.
How much notice should we give?
Earlier is better, particularly for night and weekend visits. Quotes typically come back within one working day, and emergencies are covered by our 24/7 line.
Do we get a certificate after the clean?
Yes, both a certificate and a photo report. It also notes unreached sections and a recommended next inspection.
When it’s something else
In fairness, some problems need a different fix:
- Cooking extract ducts, which are a separate specialist clean
- Condensation caused by the building rather than the ducts
- Problems with how the system is controlled
Not sure which it is? You can phone us on 0345 646 2711 or send us an email and we’ll tell you honestly.
Where we work
- Offices and schools
- Supply ductwork
- Grilles and diffusers
- Hospitals and care homes
- General extract ductwork
- Toilet extract systems
When to call us in Chorleywood
Ventilation hygiene often gets left out of planned maintenance. Plant can be well serviced while the ductwork goes untouched for years.
These are the problems we see most often:
- Grilles and diffusers streaked with dirt
- Stuffy rooms and stale air
- Odours carried round the building by the ducts
- Ductwork that hasn’t been inspected
Classrooms and halls at schools such as Christ Church Chorleywood CofE School are easiest to work in when pupils are away.
What to look for in a quote
- Whether the figure could change on the day
- What paperwork you get at the end
- What insurance they carry
- What’s included in the scope, part by part
How the job changes from site to site
Offices and retail
Offices and shops tend to need the work done outside opening hours so staff and customers aren’t disturbed.
Hospitals and care homes
Hospitals and care homes are occupied day and night. The work is sequenced with staff so care carries on.
Multi-site and managed buildings
When the building owner and the occupier are different, it’s worth checking the lease for who maintains the systems. We’re happy to deal with either side, and the report can go to both.
Facilities teams in offices, schools and healthcare sites book us too across Hertfordshire. Work can be phased by floor, building or site around the people who use them.
How the visit works
On the day, we arrive at the time agreed with you, which is often after service, overnight or at a weekend. Anything that needs to be off for the work is switched off and left to cool first, and the area around the work is covered and protected. On site, it takes a shift or two for a small system, longer for a whole building. Tell us when your site near Chorleywood is quiet and the visit will be booked for then.
- First the system is surveyed, on site or from pictures and drawings.
- Inspection comes next, with photos of the inside of the ducts.
- The area below is protected and the system switched off.
- Debris is cleared from the duct runs, then grilles and diffusers are cleaned.
- We issue a TR19® certificate and a photo report listing what was cleaned.
Before we arrive
- Let us know when the site is closed or quiet
- Find the previous report, if there is one
- Tell us about site rules, permits or sign-in
How to get a quote
Photos are the quickest way to a quote: the system from a couple of angles, plus any access panels or hatches. Tell us what kind of site it is and when it’s open, and many jobs can be priced from that alone.
Read more
What ventilation duct cleaning looks like in Chorleywood
Food Standards Agency data includes about 15 schools, colleges and universities and about 11 hospitals, care homes and childcare premises within about 1.5 miles of central Chorleywood. Classrooms, bedrooms and care spaces are often served by ducted air, and that ductwork collects dust over time. We cover Chorleywood, about 20 miles from central London, as part of our work across London and the South East. A survey and a fixed quote come first, then the visit at a time that suits you. For Chorleywood, the closest hospital is Harefield Hospital, roughly 3.2 miles south. Healthcare ventilation is a good example of why supply ducts need inspecting: the air goes straight to patients.
If you manage shops or offices close to Chorleywood station, a TR19® Air inspection shows whether the ductwork needs cleaning. Harefield Hospital, about 3.2 miles south, is the nearest hospital to Chorleywood, and healthcare sites of every size need their supply air kept clean.
Chorleywood is about 5 miles west of Watford, in Hertfordshire. If you need ventilation duct cleaning in Chorleywood, it’s easy to get a fixed quote: please phone us on 0345 646 2711 or email us. We work across South East England and London, Chorleywood included. Our area takes in 381 places across Hertfordshire, large and small. For sites nearby, see our London page (20 miles or so).
Every address in WD3 is within our area for ventilation duct cleaning, from the main roads to the quietest streets. We cover sites on South Cottage Drive, South Cottage Gardens and South Park Avenue and nearby roads. Main roads around Chorleywood include the A404, so getting to you is simple for evening and night visits. We also cover the places around Chorleywood: Heronsgate (1 mile south-west), Maple Cross (2 miles south), Chenies (2 miles north-west), Horn Hill (2 miles south-west) and West Hyde (3 miles south). Further out, we also cover Watford (5 miles east), Hemel Hempstead (7 miles north), St Albans (10 miles north-east), Harpenden (13 miles north-east), Hatfield (14 miles north-east) and Borehamwood (10 miles east).
Landmarks near Chorleywood
Around Chorleywood, our work takes us to kitchens and buildings near St Clement Danes School, Rickmansworth Park and Black Horse Artichoke Dell pub. For rail, the closest station is Chorleywood station, roughly 0.7 miles west. Nearby you’ll also find Harefield Hospital (3.2 miles south) and Chiltern Open Air Museum (2 miles south-west). Not far away are Chorleywood Common and Tumbling Bay.