Greater London · Ductwork cleaning
Ductwork Cleaning in Fortis Green
One call covers cleaning of kitchen extract ductwork, horizontal runs and vertical risers through access panels in Fortis Green: survey, fixed quote, work and sign-off. Fully insured, with CHAS, SafeContractor and ISO 9001.
- Readings above 200 microns from a grease thickness test
- Fat dripping from the ductwork
- Grease pooling at the foot of the riser
Aftercare tips
Here’s the after-treatment advice, short and simple:
- Book the next clean before the recommended date
- Store the certificate with the fire risk assessment
- Keep the fan on while anything is cooking
- Consider fitting panels where the report shows gaps
Keep the certificate and report with the fire risk assessment. An insurer, fire officer or EHO may ask to see it, and the photos make the duct’s condition easy to see.
Have access panels fitted where sections can’t be reached. It does not stop grease forming, but it stops it building unseen.
How we handle ductwork cleaning in Fortis Green
In doctor’s terms, the ductwork is the system’s arteries: find the blockages, clear them, then check the flow is right. Grease readings before and after give you the evidence, alongside before and after pictures. The work covers horizontal duct runs, vertical risers and attenuators, and common reasons people get in touch are readings above 200 microns from a grease thickness test and grease pooling at the foot of the riser.
In a London area like Fortis Green, a kitchen extract often passes through shared space on its way out: a riser, a service void, the floors above. A duct fire there can reach parts of the building far from the range, which is why keeping it clean to TR19® matters.
Insurers, fire officers and environmental health officers all look at records. So every job comes with a written report and pictures, and grease extract cleans come with a TR19® certificate issued through the BESCA Vent Hygiene Elite portal.
- Where
- Fortis Green (N10, N2, N6)
- Region
- Greater London
- Reporting
- Certificate plus before-and-after pictures
- Price
- Fixed quote, usually within a working day
- Hours
- Overnight and weekend work, 24/7 emergency callout
- Telephone
- 0345 646 2711
- Reviewed
- 30 October 2026
What your team can do, and what needs us
A few tasks are always specialist work: opening up ductwork, cleaning fans, drop testing fire dampers and measuring grease need training, the right equipment and safe access. That is our job.
Staff cleaning doesn’t replace a specialist visit; it supports it. Clean filters and tidy surfaces slow the build-up, but the parts you cannot see still need a specialist at the right interval.
When to call us in Fortis Green
Slow air leaves the most grease behind. Long horizontal runs, bends, changes in size and the foot of a riser all collect more, and those are the points we pay most attention to.
These are the problems we see most often:
- High readings at a recent grease test
- Thick crusts of old grease along the duct
- Gaps where access panels were never fitted
- Grease leaking from duct joints
If you run catering at a historic house or estate in the area (Heath Hall is about 1.4 miles south-west), event kitchens in older buildings often have awkward duct runs that need planning.
Comparing quotes
- When they can work, and whether that’s outside your opening hours
- How VAT is shown on the quote
- What insurance they carry
- Exactly which parts of the system are covered
What the work involves, part by part
Attenuators and discharge
The discharge is where the duct ends and air leaves the building. Grease can collect there and stain the area around it, so it’s cleaned as far as safe access allows.
Horizontal duct runs
A long flat run cannot be cleaned from one end. Where the gaps between panels are too long, we record what couldn’t be reached and can fit extra panels.
Fortis Green kitchens: local notes
Food Standards Agency data counts about 169 restaurants, cafés and canteens and about 60 takeaways and sandwich shops within roughly a mile and a half of the centre of Fortis Green. Wherever those kitchens cook under a canopy, the horizontal runs and risers need cleaning as well as the hood. Night work suits London kitchens, and roads and loading bays tend to be quieter too. London Fire Brigade covers Fortis Green. 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.
A hall kitchen that only cooks for events, whether near United Reformed Church or elsewhere in Fortis Green, still needs its extract cleaned, just less often. For schools such as Fortismere School, kitchen extract cleaning is normally booked for the holidays, when the canteen is closed.
Fortis Green is about 1 mile south-east of Finchley, in Greater London. We carry out ductwork cleaning for businesses, landlords and public buildings in Fortis Green and the rest of Greater London. We cover 764 places across Greater London, from busy centres to quieter spots. You can also see our page for London, about 7 miles away.
Here we cover the N10, N2 and N6 postcode area for ductwork cleaning. Streets in the area include Hill Road, Durham Road and Steeds Road, and we cover them all for ductwork cleaning. Main roads around Fortis Green include the A504, so getting to you is simple for ductwork cleaning. We also cover the places around Fortis Green: Muswell Hill (1 mile east), East Finchley (1 mile west), Highgate (1 mile south), Crouch End (1 mile south-east) and Hampstead Garden Suburb (2 miles south-west). Further out, we also cover London (7 miles south), City of Westminster (5 miles south), Marylebone (5 miles south), Kensington (7 miles south), St Pancras (5 miles south) and Shoreditch (6 miles south-east).
Landmarks near Fortis Green
We work in commercial kitchens and buildings around Tollington School, Cherry Tree Wood and The Clissold Arms and the streets around them. Fortis Green’s nearest station is Alexandra Palace station, about 1.4 miles east of the centre. Well-known places in the area include Kenwood House (1.6 miles south-west) and Grand Arcade (1.8 miles north-west). The countryside around Fortis Green includes Highgate Hill and Glebelands Local Nature Reserve.
Fortis Green: your questions answered
Which fire and rescue service is responsible for Fortis Green?
It’s London Fire Brigade, which covers Fortis Green. TR19® isn’t law, but it’s the benchmark many fire officers and insurers look to when they ask how often the extract is cleaned.
Is parking a problem for work in Fortis Green?
London parking can be tight, so details of loading bays and permits help. Where restrictions apply in the day, an evening or overnight visit typically gets round them.
How much does ductwork cleaning cost in Fortis Green?
Every site is different, so each gets its own fixed quote. To get one, ring 0345 646 2711, or send details by email with the site type, opening hours and a few pictures.
Do you cover Fortis Green?
Yes. We cover Fortis Green and the rest of Greater London, as part of our work across South East England and London. To book, call 0345 646 2711, or send details by email.
What if part of the duct cannot be reached?
Every reachable section is cleaned and the rest recorded. Fitting extra access panels is the usual answer, and we can do that for you.
When is the ductwork cleaned?
We plan the clean when you are not cooking. Most kitchens book overnight or weekend cleans, so no service is lost.
How far ahead should we book?
Earlier is better, especially for out-of-hours work. We usually quote within one working day, and there’s a 24/7 line for emergencies.
Which kinds of sites do you work on?
Any site with a kitchen or a ventilation system to look after, from a single café to a large school. Hotels, schools, care homes, offices, shops and leisure sites are all part of our work.
Why it’s worth doing now in Fortis Green
Grease narrows the duct and slows the air. The fan works harder, the kitchen gets hotter and smoke lingers at the canopy and grease can drip from duct joints. Choosing the date yourself beats having a fault choose it for you.
The cost depends on how big the system is, the condition it’s in and how easy it is to reach. We give you a fixed price before we start, so you know where you stand.
Why us?
- A fixed price before any work starts
- Evenings, overnight and weekends, plus 24/7 emergency callout
- CHAS, SafeContractor and ISO 9001
- Every job surveyed first
Take a look at what affects the cost and our accreditations and certificates.
What affects the cost of ductwork cleaning
Your quote is based on your site. We consider:
- The condition we find in the survey
- How easy every part is to reach
- The size of the system
- Travel, parking and unloading
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 we start.
Asking for a quote
Many jobs can be priced from pictures and some basics. Useful things to send:
- The roof, plant room or outside wall the system runs to
- Detail shots of panels, filters and grilles
- Wide pictures of the system and the area around it
- Any previous report or certificate
We do not publish a price list, because every site is different. We look at your system first, from photos or on a visit, and then send you a fixed quote. To start, phone us on 0345 646 2711 or send us an email.
Towns and villages near Fortis Green
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How it works
At the end of the visit, someone from your team can look over the work with us. Anything we couldn’t reach or that needs attention is pointed out there and then, and the same goes into the written report. The visit takes from a few hours to more than one visit, depending on duct length and access. Most London sites cannot stop for the day, so work in Fortis Green is typically done overnight, early in the morning or at weekends.
- We map the duct route and check where the access panels are.
- Set points along the runs are tested for grease.
- Through the access panels, thick grease is removed by hand first.
- Horizontal runs and risers are then degreased by the method that suits the deposit.
- Post-clean readings and pictures go into the report, with any unreachable section listed.
How to prepare
- Agree a time when the area can be out of use
- Make sure someone can let us in and lock up afterwards
- 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. Add the site type and your opening hours, and many jobs can be priced from that alone.