Greater London · Ventilation duct cleaning

Ventilation duct cleaning in Childs Hill, Greater London

TR19 air cleaning of general supply and extract ventilation ductwork in commercial buildings for commercial sites in Childs Hill and across Greater London. CHAS, SafeContractor and ISO 9001, and fully insured.

  • Musty smells from the ventilation
  • Grilles and diffusers streaked with dirt
  • Systems missing access panels

Need ventilation duct cleaning in Childs Hill?

Ventilation duct cleaning in Childs Hill

We always start by inspecting. The ducts are opened at access points and the condition recorded, then recommend cleaning where it’s needed. That keeps the work in proportion to the risk. The work covers hospitals and care homes, toilet extract systems and grilles and diffusers, and people most often call us about ventilation full of debris from building work and duct runs that can’t be reached for cleaning.

London buildings often depend on air handling units in plant rooms or on the roof to supply fresh air. In a building in Childs Hill, dust and debris build up in the units and ductwork over time.

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’re fully insured.

Where
Childs Hill (NW2, NW3, NW11)
Region
Greater London
Reporting
Report and pictures after the visit
Price
A fixed quote up front
Working hours
After hours by arrangement; emergencies any time
Phone
0345 646 2711
Page updated
30 October 2026
Inside an extract duct: heavy deposits on the left, cleaned metal on the right

Why deal with it now?

An inspection-led approach avoids cleaning ducts that do not need it. Skipping it leaves you guessing. A busy site in Childs Hill builds up dirt and wear quickly, so putting it off makes the eventual job larger.

We don’t list prices on the website, because each job is priced on what it involves. Call for a fixed quote, and we will talk you through it.

What you get with us

  • Accredited under CHAS and SafeContractor, with ISO 9001
  • One number for every site across the South East and London
  • A fixed price before any work starts
  • We’re fully insured

Take a look at how cleaning jobs are priced or our accreditations and certificates.

Honest limits

We’d rather tell you now than book work that will not help, so here are the limits:

  • Ventilation that is undersized for the building
  • Kitchen extract ductwork, which needs a TR19® Grease clean
  • Ducts that are damaged, corroded or leaking and need replacing

If you’re not sure, just give us a ring on 0345 646 2711 or send us an email and we will give you a straight answer before you book.

What we work on in Childs Hill

  • Grilles and diffusers
  • Toilet extract systems
  • Offices and schools
  • Supply ductwork
  • General extract ductwork
  • Hospitals and care homes

Managing agents and facilities teams in Childs Hill

Under the Regulatory Reform (Fire Safety) Order 2005, the responsible person must assess and reduce fire risk, which may be the employer, owner, landlord, FM or managing agent. With shared responsibility, good records help everyone.

Whether it’s one building or many, the standard is the same: a survey first, a fixed quote, the work timed around the site and a report with photos.

What staff can safely do

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. Leave those to us.

Your own staff can handle the daily basics: wiping down canopy surfaces, cleaning filters and keeping a simple log. What they can’t safely do is clean inside the ductwork, the fan or the risers, which is where we come in.

When to call us in Childs Hill

Even good filters let some dust through, so fine dust settles in supply ductwork over the years. Extract ducts collect whatever the rooms give off: dust, fibres and lint.

Common reasons sites call us are:

  • Rooms that feel airless when the system runs
  • Grilles and diffusers streaked with dirt
  • Duct runs that cannot be reached for cleaning
  • Dusty supply ductwork that hasn’t been cleaned in years

If you run a surgery, dental practice or care home near Childs Hill, clean ventilation matters as much to you as to a hospital like New End Hospital (about 0.9 miles east).

What to look for in a quote

  • How they set the interval to the next visit
  • Whether a written report and photos are included
  • If they look at the system before pricing
  • What insurance they carry

Questions to ask before you book

Ventilation duct cleaning around Childs Hill

Going by the FSA’s register, there are about 60 schools, colleges and universities, about 40 care, childcare and hospital premises and about 17 hotels, B&Bs and guest houses serving food within about 1.5 miles of central Childs Hill. Classrooms, bedrooms and care spaces are often served by ducted air, and that ductwork collects dust over time. The nearest hospital to Childs Hill is New End Hospital, about 0.9 miles east. Clean air matters most where people are unwell, and that’s as true in a care home as in a hospital. London plant rooms are often on roofs or in basements reached through occupied floors.

For workplaces around Cricklewood station with mechanical ventilation, cleaning can be done in the evening or at weekends. If you manage a school such as All Saints' CofE Primary School NW2, ventilation cleaning is best booked for the holidays.

Childs Hill is about 1 mile north-west of West Hampstead, in Greater London. From the centre of Childs Hill to the outskirts, we cover ventilation duct cleaning for every kind of premises, from a single unit to a large public building. Our area takes in 764 places across Greater London, large and small. Our London page covers sites nearby (6 miles or so).

Postcode districts we cover here for ventilation duct cleaning: NW2, NW3 and NW11. Streets in the area include Nant Road, Ridge Road and Garth Road, all of which we cover for ventilation duct cleaning. We also cover Fortune Green (1 mile south), West Hampstead (1 mile south-east), Golders Green (1 mile north), North End (1 mile north-east) and Vale of Health (1 mile east). Larger places within reach include London (6 miles south-east), City of Westminster (4 miles south-east), Marylebone (4 miles south-east), Kensington (4 miles south), St Pancras (4 miles south-east) and Shoreditch (6 miles south-east).

Local landmarks in Childs Hill

We work in commercial kitchens and buildings around St Vedasts School For Boys, Hampstead School and The Old Bull and Bush pub, among other places. Childs Hill’s nearest station is Cricklewood station, roughly 0.7 miles south-west of the centre. A little further out are O2 Centre (1.2 miles south-east) and New End Hospital (0.9 miles east). Open spaces near Childs Hill include Parliament Hill and Westbere Copse.

Map of Childs Hill © OpenStreetMap contributors

Questions from Childs Hill

Can parking be tricky for a job in Childs Hill?

Parking and loading in London need planning, so tell us about bays, permits and building rules when you book. If the building has a loading slot system, we will book into it.

Can ventilation in schools around Childs Hill be cleaned out of term?

Yes. Half-terms and the summer break are the natural time for school work. There are about 60 schools, colleges and universities on the FSA’s food hygiene register within about 1.5 miles of Childs Hill. You can phone us on 0345 646 2711 or use the quote form with the dates the site is empty.

How often do ventilation ducts need cleaning?

Inspection should decide it, in line with TR19® Air. Busy or sensitive buildings may need it more often.

What’s TR19?

BESA’s ventilation hygiene specification in two main parts: TR19® Grease for kitchen extract systems and TR19® Air for general ventilation. It isn’t law, but it’s the benchmark.

Can you come out in an emergency?

Yes, day and night, every day of the year. Our office is open from 8am to 6pm on weekdays, with the emergency line covering every other hour.

Do you work evenings and weekends?

Yes. The work is planned around the building’s hours. Schools are often done in the holidays and offices out of hours.

How long does ventilation cleaning take?

Work on site takes a shift or two for a small system, longer for a whole building. The survey gives us a clearer idea, and you can call 0345 646 2711 or send us an email to arrange it.

Will we have paperwork to show the system was cleaned?

Yes. The certificate records the date and location of the work and the technician, plus a photo report.

What affects the cost of ventilation duct cleaning

The price is fixed before any work begins. It’s based on:

  • The number of sites or systems
  • What state the system is in
  • Where the site is and how we reach it
  • Any permits to work or inductions

Every site is different, so we price each one individually. Size, access, the condition of the system and when we can work all make a difference.

What we need to know

When you call or email, these details help:

  • A few general shots of the system
  • Any access panels or hatches you can see
  • The paperwork from the last visit, if you have it
  • When the site is open and when it’s quiet

Every quote begins with a look at the system, either from pictures and details you send or from a site visit. After that, you get a fixed price for the work, before work begins.

How the visit works

Our technicians bring everything the work needs, including protection sheets, the right tools and access kit. All we need from you is clear access and the right equipment switched off. The visit takes from one overnight visit to a phased programme over several weeks. Security desks and permits-to-work are routine in London, so let us know what your building in Childs Hill needs from us.

  1. We look at the system and any earlier reports.
  2. Inspection points are chosen and the ducts examined.
  3. The work area is protected and the system switched off.
  4. Ducts, grilles and diffusers are cleaned and the debris taken away.
  5. The report records what was cleaned, anything not reached and a next inspection date.

Before we arrive

  • Mention any sign-in, permit or induction we need
  • Mention any parking or loading restrictions
  • Allow time for equipment near the work to be turned off and cool down

How to get a quote

To help us quote: the address, the type of site and when it’s open, a few photos and any previous report or certificate. Once you have those, give us a ring on 0345 646 2711, or send details by email.

Get a price

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BESCA Vent Hygiene EliteMember, cleaning to BESA TR19® Grease
CHAS · SafeContractorISO 9001 and fully insured
Certificate and photo reportWith every clean
24/7 emergency calloutEvenings, nights and weekends
Since 2009South East England and London