Greater London · Ductwork cleaning
New Barnet ductwork cleaning
Our technicians work in New Barnet on cleaning of kitchen extract ductwork, horizontal runs and vertical risers through access panels. Out-of-hours visits, a fixed quote and a written report with photos on every job.
- A grease test showing the duct is overdue
- Grease leaking from duct joints
- Stale grease odours from the duct
When it’s something else
Before booking, it helps to know what’s not included:
- Faulty fire dampers
- Duct sealed behind fixed ceilings or walls
- A failed fan motor at the end of the duct (a fan repair job)
If in doubt, call 0345 646 2711 or send us an email and we will say what we think.
Where we work
- Attenuators
- Vertical risers
- Multi-storey ducts
- Bends and junctions
- Horizontal duct runs
- Access panels
How we handle ductwork cleaning in New Barnet
If the ducts in New Barnet haven’t been cleaned for a while, or nobody is sure when they were? Tell us about the system when you phone us on 0345 646 2711, or send details by email, and we will give you a fixed quote for ductwork cleaning, usually within one working day. We’re often asked to deal with gaps where access panels were never fitted and grease leaking from duct joints, on vertical risers, access panels and attenuators.
London kitchens are often tucked into basements or the back of a building, and the duct may run up through several floors before it discharges at the roof. In New Barnet, as elsewhere in the capital, a long duct run means more access points to open and more grease to remove.
Duct Doctor has been trading since 2009, and we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. We also hold CHAS, SafeContractor and ISO 9001, and we carry full insurance.

- Where
- New Barnet (EN5, EN4, N20)
- Wider area
- Greater London
- Paperwork
- TR19® certificate and photo report
- Price
- A fixed quote up front
- Hours
- Nights, weekends or holidays to suit you
- Phone
- 0345 646 2711
- Last updated
- 30 October 2026
Staff cleaning versus specialist work
When your team notices a problem between visits, such as dripping grease, a noisy fan, a smell or a filter that won’t come clean, it’s best reported rather than tackled in-house. We can diagnose it and quote.
Some jobs should never be done in-house: opening up ductwork, cleaning fans, drop testing fire dampers and measuring grease call for the right kit, training and safe access. That’s our job.
Ductwork cleaning in New Barnet: the local picture
The Food Standards Agency lists about 32 pubs and bars as registered food businesses in New Barnet and the streets around it, up to about 1.5 miles out. Wherever they cook, the canopy, duct and fan collect grease just as a restaurant’s do. In New Barnet, food businesses are inspected by environmental health officers from Barnet council. They look at how clean the premises and equipment are, and the kitchen extract is part of that. Our report lists what was cleaned and when, which is useful to have ready. Most London extract cleaning happens at night, after the last service.
Term dates shape school work: for a school like St Mary's CofE Primary School, an extract clean fits neatly into a half-term or summer break. A hall kitchen that only cooks for events, whether near Holy Trinity Lyonsdown or elsewhere in New Barnet, still needs its extract cleaned, just less often. Healthcare kitchens, like those at hospitals such as Barnet General Hospital (about 2 miles west), often cook for long hours, which puts them in BESA’s heavier-use bands.
New Barnet is about 1 mile east of Barnet, in Greater London. We carry out ductwork cleaning for businesses, landlords and public buildings in New Barnet and the rest of Greater London. Across Greater London, we cover 764 places, New Barnet among them. There’s also a page for London, roughly 11 miles from New Barnet.
Work in EN5, EN4 and N20 follows the same survey, fixed quote and written report as everywhere else we cover. Whether your site is on York Road, Park Road and Henry Road or anywhere close by, our technicians can take on the work. Nearby, we also carry out ductwork cleaning in Barnet (1 mile west), Cockfosters (1 mile north-east), East Barnet (1 mile south-east), Underhill (1 mile west) and Whetstone (1 mile south). Within a short drive, we also cover London (11 miles south), City of Westminster (9 miles south), Marylebone (9 miles south), Kensington (10 miles south), St Pancras (8 miles south) and Shoreditch (9 miles south-east).
Near you in New Barnet
Around New Barnet, our work takes us to kitchens and buildings near Trent School Cockfosters, East Barnet School and The Alexandra pub and the streets around them. There’s a railway station in New Barnet itself: New Barnet station. A little further out are Spires Shopping Centre (1.6 miles north-west) and Francis Skaryna Belarusian Library and Museum (2 miles south). The countryside around New Barnet includes Greenhill Gardens and Darland's Lake.
What the work involves, part by part
Vertical risers
Risers often pass through floors and walls, where fire dampers may be fitted. Damper testing is a separate service.
Multi-storey and shared buildings
Ducts in taller or shared buildings often run past other occupiers. Access is planned with the building’s managers, so the clean is done safely and quietly.
Landlords, agents and facilities managers
The Fire Safety Order 2005 puts the duty to manage fire risk on the responsible person, and that can be the employer, the owner, a landlord, a facilities manager or a managing agent. Where responsibility is shared, records matter even more.
Where a tenant occupies the premises but the landlord owns the building, it’s worth checking the lease for who maintains the systems. We’re happy to deal with either side and send the paperwork to whoever needs it.
Common questions in New Barnet
Do you work at weekends in New Barnet?
Yes, we can come after you close and finish before you open. Your customers, staff or residents in New Barnet needn’t be disturbed. Tell us your opening hours when you ask for a quote.
Does London parking affect a job in New Barnet?
A loading bay, a visitor permit or off-street space near the site in New Barnet makes the visit easier to plan. Night visits tend to make loading easier on London streets.
What if parts of the system cannot be reached?
We record them on the report, with a note of where it is, and we tell you what would make it reachable, for example new access panels.
How long does it take to clean extract ducts?
It depends on the length of the duct, the number of access panels and how much grease there is. As a guide, it takes anything from a few hours to several visits, depending on the length of duct.
Are you insured?
Yes. Full insurance covers our work, and we have been trading since 2009.
Who is the responsible person?
That depends on who controls the premises. Under the Fire Safety Order 2005, it’s the responsible person, which can be the employer, the owner, a landlord, an FM or a managing agent.
Can extra access doors be added to the duct?
Yes, we fit access panels where the duct needs them. That lets the next clean reach sections that were missed, and the report will show where they’re needed.
Can we book visits on a schedule?
Yes. Scheduled maintenance plans are part of what we do, set at the interval the system needs. The report from each visit recommends the next date.
How we price ductwork cleaning
Some jobs are bigger than they look, and some smaller. The main factors:
- What state the system is in
- Whether several sites go on one quote
- Access, including roofs, risers and ceiling voids
- The size of the system
Putting the work off seldom saves money. Problems in a system tend to grow, and a neglected system can mean more work. If you are not sure what’s needed, ring 0345 646 2711, or send details by email for straight advice and a fixed quote.
Helping us quote
When you call or email, these details help:
- The roof, plant room or outside wall the system runs to
- The postcode and the type of business
- The paperwork from the last visit, if you have it
- The times we could work without disrupting the site
For ductwork cleaning in New Barnet, phone us on 0345 646 2711 or email us. Tell us what kind of premises it is and when it’s open, and send pictures or your last report if you can. A fixed quote normally follows within one working day.
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The process
The visit has three parts: getting the area ready, doing the work and signing it off. Getting ready means protecting surfaces and switching off what needs to be off, and the sign-off is a written report with photos. Most of the time goes on the work itself, and that takes a shift or more, depending on the length of the runs and the number of access points. We fit London jobs around the building rather than the other way round, so a visit in New Barnet is usually out of hours.
- Diagnosis: a survey of the duct’s route, size and access.
- A fixed quote follows, based on what we found.
- Each section is cleaned in turn through its access panel.
- We take extra care at bends and at the foot of risers.
- The duct is signed off with readings, photos and a next clean date.
Preparing for the visit
- Move anything stored near the system
- Mention any parking or loading restrictions
- Tell us the best time to work, such as after service or at a weekend
Ask for a quote
Photos are the quickest way to a quote: the system from a couple of angles, plus any access panels or hatches. Add the site type and your opening hours, and many jobs can be priced from that alone.
Related advice
Between visits
After the visit, a few habits help the work last:
- Don’t switch the extract off early
- Check readings when the menu changes
- Leave a way through to the access panels
- Tell us if grease leaks from the ductwork
The report names every part of the duct that couldn’t be reached and why. You can then decide whether to have access panels fitted.
Keep the fan on throughout service. When the air stops, grease settles in the duct, so switching off early adds to the build-up.