Hertfordshire · Ductwork cleaning
Ductwork cleaning in Green Street, Hertfordshire
Ductwork cleaning across Green Street and nearby, booked around your opening hours and signed off in writing with pictures.
- High readings at a recent grease test
- Thick deposits at the bottom of a vertical duct
- Years of grease along the duct floor
Between visits
Simple habits between visits make a real difference. Our advice:
- File each certificate and photo report in the maintenance log
- Do not block access panels with shelving or stock
- Ask us about extra access panels where sections can’t be reached
- Have the grease measured if cooking hours go up
You’ll have a recommended date for the next clean, based on the readings and your daily cooking hours, in line with BESA guidance.
Some signs mean the duct needs attention sooner: drips from the ductwork, stale smells or a noisy fan. Testing will show whether any section has reached 500 microns.
Ductwork cleaning in Green Street, done properly
Ductwork in Green Street is cleaned the same thorough way as everywhere else we work: readings at set points, heavy grease scraped out by hand, then degreasing to suit the deposit. Post-clean readings and photos complete the record. If you are dealing with readings above 200 microns from a grease thickness test and sections of duct with no access panels, we can put it right, from multi-storey ducts, access panels and vertical risers onwards.
For a kitchen in or near Green Street, the visit is planned around opening hours and the journey, and the clean itself is the same full TR19® job as in any town: canopy to discharge, then a TR19® certificate and a photo report.
Our accreditations include CHAS, SafeContractor and ISO 9001, and we are fully insured. On top of that, we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we have been trading since 2009.
- Place
- Green Street (WD6)
- Wider area
- Hertfordshire
- Reporting
- TR19® certificate and photo report
- Quotes
- A fixed price before work begins
- When we work
- Evenings, overnight and weekends; 24/7 emergencies
- Telephone
- 0345 646 2711
- Checked
- 30 October 2026
How it works
Night work is normal for us. A lot of visits happen overnight or at weekends, so the site can open as normal afterwards. On site, the work takes a shift or more, depending on the length of the runs and the number of access points. Rural roads and tight entrances are worth telling us about before a visit to Green Street.
- We map the duct route and check where the access panels are.
- Set points along the runs are tested for grease.
- We open the panels and scrape out the heaviest grease.
- Horizontal runs and risers are then degreased by the method that suits the deposit.
- We test again, take photos and note any part that couldn’t be reached.
How to prepare
- Let us know about permits to work or site inductions
- Make sure someone can let us in and lock up afterwards
- Let us know about parking and loading
Getting a quote
To help us quote: the address, the type of site and when it’s open, a few pictures and any previous report or certificate. Once you have those, ring 0345 646 2711, or send details by email.
Read more
When something else is needed
It’s worth knowing the limits before booking:
- A worn-out fan that needs replacing
- A damper stuck open in the duct
- Parts of the duct with no way in
If you are not sure, just call us on 0345 646 2711 or send us an email and we’ll give you a straight answer.
What we work on in Green Street
- Vertical risers
- Bends and junctions
- Attenuators
- Access panels
- Multi-storey ducts
- Horizontal duct runs
Signs you need ductwork cleaning in Green Street
Ducts in Green Street gather grease for the same reasons as ducts anywhere: hours of cooking, the type of food and how well the filters are kept. Under BESA guidance, the minimum interval is 3, 6 or 12 months, by daily cooking hours.
Any of these means the system needs a check-up:
- High readings at a recent grease test
- Proof of duct cleaning for the insurer
- Grease leaking from duct joints
- Duct runs with no cleaning record
Healthcare kitchens cannot easily close, so their extracts are cleaned overnight or between meal services; the nearest hospital to Green Street is Shenley Hospital, about 1.6 miles north-west.
Before you book anyone
- Whether they recommend a next date
- Proof of insurance
- What’s included in the scope, part by part
- What paperwork you get at the end
How the job changes from site to site
Access panels
Extra panels can be installed where there are gaps, making future cleans more complete. The survey shows where they’re needed.
Horizontal duct runs
The underside of a horizontal duct collects the most grease. We scrape out the heavy layer first, then the walls and roof are cleaned too.
Also near Green Street
More services for Green Street
Green Street questions
Who carries out food hygiene inspections in Green Street?
In Green Street, it’s Hertsmere council that carries out food hygiene inspections. Have your latest TR19® certificate and photo report to hand, as an officer may ask how the extract is maintained.
Do you cover smaller places like Green Street?
Yes. Green Street is within the area we cover across London and the South East. Photos of the system and directions to the site help us plan the visit.
What information do you need?
Some photos and a quick description of the system plus the address and your hours. If we need more, we’ll ask.
Can one contract cover all our sites?
Yes. One number covers all your sites in our area, with visits on a regular schedule.
How can I tell if my extract ducts are dirty?
A grease thickness test gives the answer. Using a Wet Film Thickness Test or Deposit Thickness Test, we check the grease at set points. BESA guidance says the mean shouldn’t exceed 200 microns, and 500 or more anywhere needs immediate spot cleaning.
How do you clean inside the ductwork?
We open each access panel and clean the section it reaches. Grease is scraped out first, then degreased, with readings taken before and after.
Do you have a 24/7 line?
Yes. Our emergency line runs 24/7 for anything that cannot wait until a planned visit. Call us any time and explain what’s happened.
How long will the duct clean take?
Short runs are quick, while long ducts and tall risers can need more than one visit. Visits are planned out of hours.
In-house cleaning or a specialist?
If your staff spot something between visits, like drips, unusual noise, smells or damaged filters, it’s best reported rather than tackled in-house. We can diagnose it and quote.
Good housekeeping makes our visits easier, not unnecessary. Regular in-house cleaning slows the build-up, but the parts you can’t see still need a specialist at the right interval.
What affects the quote in Green Street
The survey tells us what the work involves. We look at:
- When the work can happen, such as evenings, overnight or weekends
- How easy every part is to reach
- Parking and loading at the site
- The condition we find in the survey
No two sites are the same, so we price each one individually. The size of the job, how we reach it, its condition and the working hours all make a difference.
Asking for a quote
Before you ask for a quote, gather:
- Your opening hours and when the area is out of use
- How we’d reach plant on a roof or in a plant room
- Where the site is and what kind of site it is
- Photos showing the whole system and its surroundings
There’s no standard price list, because no two systems are the same. We look at your system first, from pictures or on a visit, then send a fixed quote. To get going, phone us on 0345 646 2711 or use the quote form.
What ductwork cleaning looks like in Green Street
Food Standards Agency records include about 13 pubs and bars and about 4 hotels, B&Bs and guest houses within roughly a mile and a half of the centre of Green Street. Breakfasts, bar meals and functions all put grease into the extract wherever they’re cooked. Green Street is covered by Hertfordshire Fire and Rescue Service. The Fire Safety Order puts the duty on whoever runs a kitchen to control its fire risk, and a greasy duct is fuel. Kitchens in Green Street get their food hygiene inspections from Hertsmere council. They look at how clean the premises and equipment are, and the kitchen extract is part of that. A dated certificate in the maintenance file answers the question before it’s asked.
If you run catering at a historic house or estate in the area (Wyllyotts Manor is about 3.7 miles north-east), event kitchens in older buildings often have awkward duct runs that need planning. If you look after a school kitchen, at a school such as Parkside Community Primary School or anywhere near Green Street, the holidays are the usual time for a TR19® clean.
Green Street is about 1 mile north of Borehamwood, in Hertfordshire. Green Street gets the same approach as every site we work on: diagnosis first, a fixed price, out-of-hours working where necessary and a written report with photos. Our area takes in 381 places across Hertfordshire, large and small. There’s also a page for London, roughly 14 miles from Green Street.
Ductwork cleaning in WD6 follows the same survey, fixed quote and written report as everywhere else we cover. Whether your site is on Stapleton Road, Green Street and Cowley Hill or anywhere close by, we can help. Nearby, we also carry out ductwork cleaning in Well End (1 mile south-east), Borehamwood (1 mile south), Shenley (1 mile north-west), Ridge (2 miles north-east) and Rowley Green (2 miles south-east). Within a short drive, we also cover Watford (5 miles west), Hemel Hempstead (10 miles north-west), St Albans (6 miles north-west), Welwyn Garden City (9 miles north), Harpenden (10 miles north) and Hoddesdon (12 miles north-east).
Landmarks near Green Street
Around Green Street, our work takes us to kitchens and buildings near The White Horse Public House and Hertswood Academy and the streets around them. The closest station to Green Street is Elstree & Borehamwood station, roughly 1.6 miles south. A little further out are Hilfield Castle (3 miles south-west) and Shenley Hospital (1.6 miles north-west). For a walk, there’s Darland's Lake and Arkley Lane and Pastures.