Greater London · Ductwork cleaning
Sydenham Hill ductwork cleaning
Ductwork cleaning for Sydenham Hill, from a team that has been trading since 2009. Out-of-hours visits and 24/7 emergency callout.
- Proof of duct cleaning for the insurer
- Grease pooling at the foot of the riser
- Years of grease along the duct floor
About our ductwork cleaning in Sydenham Hill
Duct Doctor has cleaned kitchen extract ductwork since 2009, working across London and the South East. We’re a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and our certificates are issued through the BESCA Vent Hygiene Elite portal. The work covers multi-storey ducts, horizontal duct runs and access panels, and people most often call us about sections of duct with no access panels and a grease test showing the duct is overdue.
Across London, many commercial kitchens are squeezed into basements and narrow back-of-house spaces, with extract ducts that can climb several floors to discharge at roof level. For a kitchen in Sydenham Hill, that typically means a longer system to clean and more access panels to plan around.
For insurers and inspectors, the record counts. So every job comes with a written report and photos, and grease extract cleans come with a TR19® certificate issued through the BESCA Vent Hygiene Elite portal.
- Where
- Sydenham Hill (SE26, SE23, SE21)
- Region
- Greater London
- Reporting
- TR19® certificate and photo report
- Quote
- Fixed quote, usually within a working day
- Hours
- Overnight and weekend work, 24/7 emergency callout
- Telephone
- 0345 646 2711
- Last updated
- 30 October 2026
Aftercare tips
After the visit, a few habits help the work last:
- Leave a way through to the access panels
- Keep your cleaning records together
- Ask for a grease thickness test if the kitchen gets busier
- Report any grease dripping from duct joints
After the clean, the same points are tested again, so the report shows the before and after figures. Photos of each section go alongside them.
Watch for warning signs between cleans: grease leaking from duct joints, smells, or a fan that sounds rough. Testing will show whether any section has reached 500 microns.
What happens on the day
Night work is normal for us. A lot of visits happen overnight or at weekends, so a kitchen or building can carry on as usual the next day. The visit itself takes from a few hours to more than one visit, depending on duct length and access. Many London buildings have a managing agent, a security desk or a permit-to-work system, so tell us who to contact in Sydenham Hill.
- We trace the duct and find every way in.
- Grease thickness is measured at set points.
- Once the kitchen has closed, we protect the area and open the panels.
- Thick grease is scraped out, then the runs and risers are degreased.
- We close up, re-test, photograph and record anything out of reach.
Preparing for the visit
- Arrange a key holder or contact on site
- Move anything stored near the system
- Mention any locked doors, roof access or ceiling voids
How to get a quote
Getting a quote doesn’t take long. Call or email with a few details and you’ll typically have a fixed price within one working day. If we need to see the system first, we book a survey around your hours.
Related advice
What the work involves, part by part
Multi-storey and shared buildings
In a shared building, the duct links the kitchen to other spaces, so the responsible person has more reason to keep it clean. Your certificate and report give building managers the record they need.
Access panels
Extra panels can be installed where there are gaps, making future cleans more complete. The survey shows where they’re needed.
Why deal with it now?
Insurers know the risk of a greasy duct. Many require cleaning to TR19, and they can refuse or reduce a claim without proof. A certificate that covers the ductwork is what they want to see. Leaving it on a busy London site only adds to the work.
The cost depends on how big the system is, what state it’s in and how easy it is to reach. You get a fixed price before work begins, so there are no surprises.
Why us?
- Fixed quotes, usually within one working day
- We are fully insured
- CHAS, SafeContractor and ISO 9001
- BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
Take a look at how cleaning jobs are priced and our accreditations and certificates.
Common questions in Sydenham Hill
Who carries out food hygiene inspections in Sydenham Hill?
In Sydenham Hill, it’s Southwark council that carries out food hygiene inspections. It helps to keep the extract cleaning records with your food safety paperwork, so they’re ready if asked for.
How do you handle parking and loading in Sydenham Hill?
Tell us where a van can stop near your site in Sydenham Hill, and about any building rules on loading. Working overnight, as we often do in London, typically makes it simpler.
Are you fully insured?
Yes. We carry full insurance and have been trading since 2009.
How is kitchen extract ductwork cleaned?
After a survey and grease readings, the duct is opened up through its access panels. Each run and riser is scraped and degreased, and test again when we’re done.
How long does ductwork cleaning take?
It depends on the length of the duct, the number of access panels and how much grease there is. Typically it takes from a few hours to more than one visit, depending on duct length and access.
How do you know if the ductwork needs cleaning?
A grease thickness test gives the answer. Readings are taken by Wet Film Thickness Test (WFTT) or Deposit Thickness Test (DTT). BESA guidance says the mean shouldn’t exceed 200 microns, and 500 or more anywhere needs immediate spot cleaning.
How do you protect the area?
With sheeting and covers, before anything else happens. We keep the work contained and leave the area clean.
Which kinds of sites do you work on?
Restaurants and pubs, hotels, schools and colleges, hospitals and care homes, offices and retail, plus food production and leisure sites.
In-house cleaning or a specialist?
If your staff spot something 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.
Away from the kitchen, the in-house job is mainly checking: keeping grilles clear, noting unusual noise or smells and logging filter changes. The inside of ducts and units needs a specialist.
Also near Sydenham Hill
Also in Sydenham Hill
When something else is needed
Ductwork cleaning can’t fix everything, and we’d rather say so up front. It will not put right:
- Ductwork that was poorly designed
- An extract fan that has stopped working
- Fire dampers that do not close (they need testing and remedials)
Not sure which it is? You can call us on 0345 646 2711, or send details by email and we will tell you honestly.
What the work covers
- Bends and junctions
- Attenuators
- Multi-storey ducts
- Horizontal duct runs
- Vertical risers
- Access panels
Sydenham Hill kitchens: local notes
There are about 204 cafés, restaurants and staff canteens and about 109 sandwich bars and takeaways within 1.5 miles or so of the middle of Sydenham Hill, according to the Food Standards Agency’s register. Behind every canopy among them is a run of ductwork that collects grease out of sight. The fire and rescue service for Sydenham Hill is London Fire Brigade. The Fire Safety Order puts the duty on whoever runs a kitchen to control its fire risk, and a greasy duct is fuel. Most London extract cleaning happens at night, after the last service.
Kitchens that cook twelve hours or more a day, as some healthcare kitchens do, fall into BESA’s three-monthly minimum; St Christopher's Hospice is the nearest hospital to Sydenham Hill, about 0.9 miles south-east. If you run a church or community hall kitchen, near Church of St Philip the Apostle or elsewhere in Sydenham Hill, its extract still collects grease from every lunch and event. A kitchen near Sydenham Hill station that serves breakfast and dinner can run its extract twelve hours or more, which shortens the cleaning interval.
Sydenham Hill is about 1 mile east of West Norwood, in Greater London. Every kind of commercial site in Sydenham Hill, we can take on ductwork cleaning. Visits can be booked for evenings, overnight or weekends so trading is not interrupted. Sydenham Hill is one of 764 towns, villages and districts in Greater London where we work for commercial clients.
We cover every part of SE26, SE23 and SE21 for ductwork cleaning and the roads nearby. Ductwork cleaning is available to premises on Grange Lane, Dallas Road and Lyall Avenue and nearby roads. Neighbouring places we cover for ductwork cleaning include West Dulwich (1 mile west), Sydenham (1 mile south-east), Crystal Palace (1 mile south), Dulwich (1 mile north-west) and Gipsy Hill (1 mile south-west). We also work in nearby towns such as London (5 miles north), City of Westminster (7 miles north-west), Marylebone (7 miles north-west), Kensington (7 miles north-west), St Pancras (7 miles north) and Shoreditch (6 miles north).
What’s near Sydenham Hill
We work in commercial kitchens and buildings around Long Meadow, The Wood House and Sydenham School, among other places. The closest station to Sydenham Hill is Sydenham Hill station, about 0.5 miles west of the centre. Nearby you will also find Horniman Museum and Gardens (0.6 miles north-east) and Lewisham Shopping Centre (3.2 miles north-east). Not far away are Knight's Hill and Dulwich Upper Wood.
How we price ductwork cleaning
The survey tells us what the work involves. We look at:
- Whether it’s a one-off visit or part of a schedule
- Where the site is and how we reach it
- Site requirements such as sign-in and permits
- The times the site is available
A single site or a whole portfolio, we price it on the same basis: what needs doing, how we get to it and when. The price is fixed before any work starts.
Asking for a quote
A few details help us quote accurately. With your enquiry, please include:
- Problems your staff have spotted
- The site address and the type of premises
- Your last certificate, test record or report
- Any access panels or hatches you can see
There’s no standard price list, because every site is different. We look at your system first, from pictures or on a visit, and then send you a fixed quote. To start, call 0345 646 2711 or use the quote form.