Greater London · Ventilation duct cleaning
Ventilation duct cleaning in Coldharbour, Greater London
Ventilation duct cleaning across Coldharbour and nearby, timed so the site keeps working and signed off in writing with photos.
- Musty smells from the ventilation
- Extract ducts clogged with lint and dust
- Ventilation that needs a TR19® Air inspection
Common problems we fix in Coldharbour
Most ductwork is out of sight, so nobody sees the build-up. The grilles get a wipe, but what’s behind them doesn’t.
Common reasons sites call us are:
- Systems with no record of inspection or cleaning
- Dusty supply ductwork that hasn’t been cleaned in years
- Extract ducts clogged with lint and dust
- Duct runs that can’t be reached for cleaning
Eltham Community Hospital, about 1.3 miles north, is the nearest hospital to Coldharbour, and healthcare sites of every size need their supply air kept clean.
What your quote should include
- Whether the work can be done while the site is closed
- What paperwork you get at the end
- Proof of insurance
- Whether the figure could change on the day
Ventilation duct cleaning in Coldharbour, done properly
When the work is finished, you get a TR19® certificate and before and after pictures. The report lists what we cleaned, any sections not reached and a recommended next inspection, giving the ventilation a clean bill of health on paper. The work covers grilles and diffusers, toilet extract systems and general extract ductwork, and common reasons people get in touch are damp or stale smells from grilles and ductwork never cleaned since it was installed.
London offices and flats often have ductwork added through successive refits, with old runs left behind that are hard to reach. An inspection first shows where cleaning is needed in a building in Coldharbour.
Duct Doctor has been trading since 2009, and we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. CHAS, SafeContractor and ISO 9001 are in place too, and we carry full insurance.
- Place
- Coldharbour (SE9, BR7)
- Wider area
- Greater London
- Reporting
- Photo report after every visit
- Quotes
- A fixed quote up front
- When we work
- Out of hours as standard, 24/7 emergency line
- Call
- 0345 646 2711
- Updated
- 30 October 2026
Towns and villages near Coldharbour
Other services in Coldharbour
When it’s something else
An honest diagnosis matters more to us than a booking, so here’s what ventilation duct cleaning won’t do:
- Kitchen extract ductwork, which needs a TR19® Grease clean
- Condensation caused by the building rather than the ducts
- Leaking or broken duct sections
If you are not sure, just give us a ring on 0345 646 2711 or email us and we will give you a straight answer.
What the work covers
- Offices and schools
- Grilles and diffusers
- Toilet extract systems
- Supply ductwork
- General extract ductwork
- Hospitals and care homes
Questions from Coldharbour
Can you come to Coldharbour after we close?
Yes. We work evenings, overnight and at weekends. The site is handed back ready to open. When you give us a ring on 0345 646 2711 or send us an email, mention when the site is quiet.
Do you do school ventilation cleaning in Coldharbour in the summer holidays?
Yes, out-of-term visits are normal for schools. There are about 21 schools, colleges and universities on the FSA’s food hygiene register within about 1.5 miles of Coldharbour. You can call us on 0345 646 2711, or send details by email with the dates the site is empty.
How do you deal with ducts you cannot get into?
We list any unreached sections on the report, with the reason. New access panels can be installed so the whole system can be cleaned.
What does TR19 mean?
A BESA specification, with two parts that matter most here: TR19® Grease for kitchen extract systems and TR19® Air for general ventilation. It is not law, but it’s the benchmark.
What should I send you?
Only a few details: the address, the site type, your opening hours and how we reach the system. Photos and the last report help too. After that, simply phone us on 0345 646 2711, or email photos.
What do you do to protect the area?
By covering it before any work starts. The work is kept contained and leave the area clean.
Do you cover Coldharbour?
Yes. We work in Coldharbour and the rest of Greater London, within our South East and London area. For a fixed quote, phone us on 0345 646 2711, or send details by email.
What if parts of the system cannot be reached?
They’re marked on the report. In ductwork, new access panels are often the answer, which we can install.
In-house cleaning or a specialist?
Staff cleaning doesn’t replace a specialist visit; it supports it. Clean filters and tidy surfaces slow the build-up, but hidden parts of the system still need specialist attention.
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.
Ventilation duct cleaning in Coldharbour: local notes
Food Standards Agency records list about 21 schools, colleges and universities and about 32 caring premises (care homes, nurseries and hospitals) registered as food businesses in and around Coldharbour, up to about a mile and a half out. Where buildings like these have air handling units, filters, coils and drain trays need regular attention. Eltham Community Hospital is the nearest hospital, about 1.3 miles north of Coldharbour. Healthcare buildings depend on clean supply and extract ventilation, and the same applies to surgeries, clinics and care homes. Ventilation cleaning in London buildings is usually planned for evenings or weekends.
If you manage a school such as Mottingham Primary School, ventilation cleaning is best booked for the holidays. If you manage shops or offices close to Mottingham station, a TR19® Air inspection shows whether the ductwork needs cleaning.
Coldharbour is about 4 miles north-west of Orpington, in Greater London. Every kind of commercial site in Coldharbour, ventilation duct cleaning is something we can help with. We can work out of hours so the site keeps running. Our area takes in 764 places across Greater London, from busy centres to quieter spots. For sites nearby, see our London page (8 miles or so).
Work in SE9 and BR7 follows the same survey, fixed quote and written report as everywhere else we cover. Ventilation duct cleaning is available to premises on Green Lane, Horley Road and Dorset Road and the roads around them. Nearby, we also carry out ventilation duct cleaning in Mottingham (1 mile west), Chinbrook (1 mile west), New Eltham (1 mile north-east), Eltham (1 mile north) and Middle Park (1 mile north-west). Larger places within reach include London (8 miles north-west), City of Westminster (11 miles north-west), Marylebone (10 miles north-west), Kensington (12 miles north-west), St Pancras (10 miles north-west) and Shoreditch (9 miles north-west).
What’s near Coldharbour
We work in commercial kitchens and buildings around Elmstead Wood and St Thomas More Catholic Comprehensive School. The nearest railway station is Mottingham station, about 0.6 miles north. Nearby you’ll also find The Glades (2.4 miles south-west) and Metropolitan Police Museum (2.2 miles east). For a walk, there’s The Tarn and Summer Hill.
How the visit works
We start by comparing what we find with the survey or your pictures. If anything is different, we talk it through with the person on site before carrying on. After that, the work takes anything from a single shift for a small office to a planned programme of nights for a large building. We fit London jobs around the building rather than the other way round, so a visit in Coldharbour is typically out of hours.
- First we check the layout and any past paperwork.
- We inspect the ducts at chosen points to see where cleaning is needed.
- We cover the area below and turn off the system.
- Ducts, grilles and diffusers are cleaned and the debris taken away.
- We report on the work, listing any inaccessible sections and the next inspection date.
Before we arrive
- Mention any sign-in, permit or induction we need
- Clear loose items from the work area
- Mention any parking or loading restrictions
Ask for a quote
Want a quote for ventilation duct cleaning? Please ring 0345 646 2711, or email photos with a few details about the site. We will talk you through the work and give you a fixed quote before you commit to anything.
Related advice
What the work involves, part by part
Schools and colleges
We plan the work around the school calendar, with access agreed with the caretaker or site manager.
Extract ductwork
Washroom extracts handle damp air, so the dust tends to cling. They’re cleaned and their condition recorded.
How we price ventilation duct cleaning
Every site gets its own quote. These are the things that affect it:
- The scale of the work
- Site requirements such as sign-in and permits
- Where the site is and how we reach it
- Access, including roofs, risers and ceiling voids
Leaving it longer rarely makes the work cheaper. Problems in a system tend to grow, and a neglected system can mean more work. If you are unsure, ring 0345 646 2711 or send us an email and we’ll give you an honest view and a fixed quote.
What to send for a quote
Photos let us diagnose from a distance. The most useful are:
- Close-ups of filters, grilles, hatches or access panels
- When the site is open and when it’s quiet
- The postcode and the type of business
- The paperwork from the last visit, if you have it
Photos are enough for some jobs, while others need a look on site. Big or complicated sites, and systems that are hard to see in photos, get a survey first. Either way, the quote is fixed before any work is booked.
Looking after it afterwards
Think of this as the after-treatment advice, in brief:
- Store cleaning certificates where auditors can find them
- Switch the ventilation off or cover grilles during dusty building work
- Diary the next TR19® Air inspection
- Keep vents and grilles clear of shelving and stock
Change filters on schedule so the clean ducts stay clean. Overdue filters let dust straight back in.
Protect the system during building work by turning it off or covering the openings.