Greater London · Ductwork cleaning
Ductwork Cleaning in Canonbury
Need ductwork cleaning in Canonbury? We diagnose first, fix the price and book the work around your hours, then sign off with a report and pictures.
- Heavy grease at the base of a riser
- Proof of duct cleaning for the insurer
- Gaps where access panels were never fitted
Ductwork cleaning in Canonbury
Grease in a duct is hidden, which is exactly why it’s dangerous. A flare-up drawn up from the range can light it, and fire can then run along the ductwork to other parts of the building. Removing it is the whole point. If you are dealing with thick deposits at the bottom of a vertical duct and a grease test showing the duct is overdue, we can put it right.
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. In Canonbury, as elsewhere in the capital, a long duct run means more access points to open and more grease to remove.
Good records are part of the job. You get a written report with pictures after every visit, listing what was done, anything we couldn’t reach and when the next visit is due. Keep it with your fire safety records so it’s to hand when an insurer or inspector asks.
- Location
- Canonbury (N1, N1P, E8)
- Wider area
- Greater London
- Paperwork
- Certificate plus before-and-after photos
- Quotes
- Fixed quote, normally within a working day
- Hours
- Evenings, overnight and weekends; 24/7 emergencies
- Phone
- 0345 646 2711
- Last updated
- 30 October 2026

Managing agents and facilities teams in Canonbury
If you look after several sites, we can schedule visits across all of them on one quote. Every building has its own written report, so each one has its own record.
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.
Part by part
Attenuators and discharge
Some systems have attenuators to reduce noise, and their linings can soak up grease. They’re cleaned where possible and recorded if not.
Vertical risers
Risers carry the extract up through the building to the roof. Grease runs down the walls and gathers at the base, so the base is one of our test points.
What a clean won’t put right
In fairness, some problems need a different fix:
- A damper stuck open in the duct
- Parts of the duct with no way in
- A worn-out fan that needs replacing
If in doubt, give us a ring on 0345 646 2711 or use the quote form and we’ll say what we think.
Parts of the system we cover
- Attenuators
- Horizontal duct runs
- Multi-storey ducts
- Bends and junctions
- Access panels
- Vertical risers
Looking after it afterwards
So the system stays in good health:
- Keep access panels clear of stored items
- Diarise the next duct clean
- Ask for a grease thickness test if the kitchen gets busier
- Keep your cleaning records together
Keep the certificate and report with the fire risk assessment. An insurer, fire officer or EHO may ask to see it, and the pictures make the duct’s condition easy to see.
Keep the fan on throughout service. When the air stops, grease settles in the duct, so switching off early adds to the build-up.
Places near Canonbury
Other services in Canonbury
How we price ductwork cleaning
Sites vary more than people expect. The main factors:
- How easy every part is to reach
- The size of the system
- A single visit or a regular plan
- How many systems or sites are involved
The price reflects the work, not guesswork. That’s why we survey first, from pictures or on site, and why the quote is fixed before any work starts.
Helping us quote
We can often survey from photos. Try to include:
- Your opening hours and when the area is out of use
- Your last certificate, test record or report
- Close-ups of filters, grilles, hatches or access panels
- A few general shots of the system
Every quote begins with a look at the system, from your pictures and details or, where that is not enough, a survey on site. Then we send a fixed price so you know the cost before work begins.
Grease, kitchens and Canonbury
Food Standards Agency records list about 1,209 restaurants, cafés and works canteens and about 277 sandwich bars and takeaways in Canonbury and the streets around it, up to about 1.5 miles out. Each kitchen that cooks under a canopy sends grease-laden air into a duct, where it cools and settles. Kitchens in Canonbury get their food hygiene inspections from Islington council. An officer looking round a kitchen will see the canopy, and grease there is hard to miss. A TR19® certificate and photo report after each clean gives you a record to show an inspector. The fire and rescue service for Canonbury is London Fire Brigade. Fire and rescue authorities enforce the Fire Safety Order in most non-domestic premises, and in a kitchen that fire risk includes the grease in the extract.
If you run a café or takeaway near Canonbury station, early starts and late finishes leave little time to clean, so overnight extract cleaning suits. Church and community hall kitchens, near St Paul's Church or anywhere around Canonbury, are easy to forget, but their extracts collect grease like any other.
Canonbury is about 2 miles north-east of St Pancras, in Greater London. Canonbury 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 Greater London coverage runs to 764 places, Canonbury among them.
Ductwork cleaning in N1, N1P and E8 follows the same survey, fixed quote and written report as everywhere else we cover. We cover sites on Dove Road, Essex Road and Clare Lane and the roads around them. Main roads around Canonbury include the A1199 and A1200, so getting to you is simple for evening and night visits. If your site is just outside Canonbury, we cover De Beauvoir Town (1 mile east), Mildmay (1 mile north-east), Kingsland (1 mile east), Newington Green (1 mile north) and Highbury (1 mile north-west). We also work in nearby towns such as London (3 miles south), City of Westminster (3 miles south-west), Marylebone (3 miles south-west), Kensington (6 miles south-west), Walthamstow (4 miles north-east) and Hampstead (4 miles west).
What’s near Canonbury
We work in commercial kitchens and buildings around Bishopsgate Institute Special Collections and Archives, City of London Academy Highbury Grove and Islington Green School, among other places. Also close by are New Crown pub (less than half a mile north-west) and Shoreditch Park (0.6 miles south). There’s a railway station in Canonbury itself: Canonbury station. A little further out are Montfichet's Tower (2.2 miles south) and Clowns Gallery-Museum (0.7 miles east). Open spaces near Canonbury include St. James's Park Lake and Ludgate Hill.
Common questions in Canonbury
Can school kitchens in Canonbury be cleaned in the holidays?
Yes. Half-terms and the summer break are the natural time for school work. Around Canonbury, the Food Standards Agency lists about 44 schools and colleges with registered kitchens within a mile and a half or so. You can phone us on 0345 646 2711 or drop us a line with the dates the site is empty.
Which environmental health team covers Canonbury?
Food hygiene inspections in Canonbury are carried out by Islington council. Ratings are published by the Food Standards Agency, so a clean extract and good records are worth keeping up.
What if parts of the system cannot be reached?
They’re listed in the report, never skipped quietly. The report says which parts couldn’t be reached and why, and we can quote to improve the access.
What’s involved in cleaning extract ducts?
Each section is cleaned through its own panel. Heavy grease comes out by hand, and what’s left is degreased, with readings taken before and after.
Do you offer maintenance contracts?
Yes. Regular plans can run on 3, 6 or 12-monthly cycles, depending on what the system needs.
What’s TR19?
It’s the industry benchmark for cleaning ventilation and kitchen extract systems, written by BESA. It covers how systems are inspected, cleaned and checked, and it takes a risk-based approach.
How long does ductwork cleaning take?
Allow a few hours for a short run, longer for long runs and tall risers. The survey tells us how long your duct needs.
Where does the waste go?
It’s contained and taken away. We collect grease, debris and waste water as we go rather than letting it spread.
How it works
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. The middle part takes longest, and that takes from a few hours to more than one visit, depending on duct length and access. Getting kit into a London building takes planning, so let us know where we can load and park in Canonbury.
- First we diagnose: the route, the access and the grease levels.
- You get a fixed price before work starts.
- We clean section by section, working from panel to panel.
- We take extra care at bends and at the foot of risers.
- Readings, pictures and a recommended next clean date complete the job.
How to prepare
- Name a contact who can let us in at the agreed time
- Clear the space around the work
- Plan for cooking equipment or plant to be off before we arrive
Getting a quote
For a fixed quote, ring 0345 646 2711, or send details by email with the site type, your trading hours and a short description of the system. A few pictures and your last certificate or report help a lot. You will normally have a quote within one working day.
Related advice
Common problems we fix in Canonbury
Air cools as it moves away from the canopy. Cooling air drops its grease onto the inside of the duct, which is why ducts go on gathering grease well beyond the filters.
Look out for these warning signs:
- Grease leaking from duct joints
- An insurer asking for TR19 evidence
- Smells of old cooking grease from the ductwork
- Thick crusts of old grease along the duct
Term dates shape school work: for a school like Rotherfield Primary School, an extract clean fits neatly into a half-term or summer break.
Comparing quotes
- What hours they’ll be on site
- Whether the figure could change on the day
- Proof of accreditation you can verify
- What paperwork you get at the end