Greater London · Ventilation duct cleaning
Ventilation duct cleaning in Netherne on-the-Hill, Greater London
For ventilation duct cleaning in Netherne on-the-Hill, one call is all it takes, from survey to sign-off. Fully insured, with CHAS, SafeContractor and ISO 9001.
- Damp or stale smells from grilles
- Ductwork with too few access panels to clean
- Construction dust left in ducts after a refit
Signs you need ventilation duct cleaning in Netherne on-the-Hill
In a building in Netherne on-the-Hill, the ventilation may run for long hours every day, and every hour of running brings more dust with it. Heavier use means faster build-up.
Keep an eye out for any of the following:
- Extract ducts clogged with lint and dust
- Systems with no record of inspection or cleaning
- Systems missing access panels
- Damp or stale smells from grilles
Classrooms and halls at schools such as Coulsdon Sixth Form College are easiest to work in when pupils are away.
Comparing quotes
- Whether the quote is based on a survey or pictures
- Whether they’re fully insured
- Whether VAT is included
- Whether the whole system is included, or only the parts that are easy to reach
Ventilation duct cleaning in Netherne on-the-Hill
Beyond the kitchen, TR19® Air covers the ordinary supply and extract systems that serve offices, schools and other buildings. It works by inspecting first and cleaning where the risk calls for it, so we look before we clean. The work covers offices and schools, general extract ductwork and toilet extract systems, and people most often call us about construction dust left in ducts after a refit and musty smells from the ventilation.
London buildings often depend on air handling units in plant rooms or on the roof to supply fresh air. For a building in Netherne on-the-Hill, dust settles in the units and ducts year after year.
We are CHAS and SafeContractor accredited, we hold ISO 9001 and we’re fully insured. On top of that, we’re a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, trading since 2009.

- Location
- Netherne on-the-Hill (CR5)
- Region
- Greater London
- Records
- Photo report after every visit
- Quotes
- A fixed quote up front
- When we work
- Overnight and weekend work, 24/7 emergency callout
- Phone
- 0345 646 2711
- Last updated
- 30 October 2026
For landlords and multi-site operators
Multi-site operators often want one contractor and one number. We cover South East England and London, so visits at different addresses can be planned together and kept to a regular schedule.
For anyone managing more than one site, 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.
What affects the quote in Netherne on-the-Hill
Sites vary more than people expect. What affects the quote:
- Whether we need access equipment or extra panels
- Whether several sites go on one quote
- One-off work versus a regular cycle
- The condition we find in the survey
One small site or a whole estate, the quote is built the same way: what needs doing, how we get to it and when. You’ll have a fixed price before we start.
Asking for a quote
Photos and a few facts are often enough to price the work. Useful things to send:
- When the site is open and when it’s quiet
- The site address and the type of premises
- Anything you’ve noticed, such as smells, noise, drips or poor airflow
- The paperwork from the last visit, if you have it
For a fixed quote, ring 0345 646 2711 or drop us a line with the site type, your trading hours and a short description of the system. Photos and the last report, if you have one, make the quote quicker. You will normally have a quote within one working day.
Towns and villages near Netherne on-the-Hill
More services for Netherne on-the-Hill
FAQs for Netherne on-the-Hill
Do you do school ventilation cleaning in Netherne on-the-Hill in the summer holidays?
Yes, holiday work suits schools best. With about 7 schools and colleges on the FSA’s register within roughly a mile and a half of Netherne on-the-Hill, it pays to plan holiday dates ahead. Just call 0345 646 2711 or email us with your term dates and we will plan around them.
Does London parking affect a job in Netherne on-the-Hill?
Tell us where a van can stop near your site in Netherne on-the-Hill, and about any building rules on loading. Much of our London work is done overnight, which helps.
Who is the responsible person?
It depends on the building. Under the Fire Safety Order 2005, it’s the responsible person, which may be the employer, owner, landlord, facilities manager or managing agent.
What does ventilation duct cleaning cost?
Size, condition, access and working hours all affect the cost. Call for a fixed quote, usually ready within one working day.
Do you work evenings and weekends?
Yes. The work is planned around the building’s hours. Holidays suit schools, and evenings or weekends suit offices.
Are you fully insured?
Yes. Full insurance covers our work, and we’ve been trading since 2009.
Are you accredited?
Duct Doctor is a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. We also hold CHAS, SafeContractor and ISO 9001, and we’re fully insured.
How long will the duct cleaning take?
Typically, the work takes anything from a single shift for a small office to a planned programme of nights for a large building. Large buildings can be phased, often out of hours, and we’ll confirm the plan when we quote.
Part by part
Schools and colleges
We plan the work around the school calendar and agree access with the site team.
Hospitals and care homes
Patients and residents may be more sensitive to dust in the air. Inspecting and cleaning to TR19® Air supports good air quality.
Why it’s worth doing now in Netherne on-the-Hill
Clean ducts let the air move as designed, which puts less load on the fans. Dirty ducts make the whole system work harder. A booked night’s work in Netherne on-the-Hill costs you no trading time; an unplanned closure does.
You won’t find a price list here, because each job is priced on what it involves. For a fixed quote, phone us on 0345 646 2711 or send us an email, and we will talk you through it.
Why choose Duct Doctor in Netherne on-the-Hill
- Fixed quotes from a survey or pictures
- A single point of contact for sites across the South East and London
- BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
- Fully insured
Take a look at how cleaning jobs are priced or how to check a contractor.
What ventilation duct cleaning can’t fix
Not every problem is solved by ventilation duct cleaning, and we will tell you before any work starts. It does not solve:
- Building management settings that run the plant
- Leaks from roofs, pipes or walls into the ductwork
- A system that is not designed to move enough air
If you’re not sure, just call 0345 646 2711 or send us an email and we’ll give you a straight answer.
What the work covers
- Grilles and diffusers
- Supply ductwork
- Toilet extract systems
- Hospitals and care homes
- General extract ductwork
- Offices and schools
Ventilation duct cleaning around Netherne on-the-Hill
The FSA’s food hygiene register lists about 7 schools, colleges and universities and about 7 caring premises (care homes, nurseries and hospitals) with registered kitchens or food service in Netherne on-the-Hill and the streets around it, up to about 1.5 miles out. Many buildings of this kind have supply and extract ductwork that gathers dust and needs inspecting. In London, ventilation plant is often on the roof or below ground, so the work is typically done out of hours. For Netherne on-the-Hill, the closest hospital is St Lawrence's Hospital, roughly 1.9 miles east. Healthcare buildings depend on clean supply and extract ventilation, and the same applies to surgeries, clinics and care homes.
St Lawrence's Hospital, about 1.9 miles east, is the nearest hospital to Netherne on-the-Hill, and healthcare sites of every size need their supply air kept clean.
Netherne on-the-Hill is about 2 miles south of Coulsdon, in Greater London. Netherne on-the-Hill gets the same approach as every site we work on: a survey first, a fixed quote, work timed around your hours and a report with pictures. Our Greater London coverage runs to 764 places, and Netherne on-the-Hill is one of them. You can also see our page for London, roughly 14 miles from Netherne on-the-Hill.
Here we cover the CR5 postcode area for ventilation duct cleaning. Whether your site is on The Village Square, Rookery Mead and Netherne Lane or a nearby road, we can help. If your site is just outside Netherne on-the-Hill, we cover Hooley (1 mile west), Merstham (2 miles south), Chaldon (2 miles south-east), South Merstham (2 miles south) and Gatton (2 miles south-west). We also work in nearby towns such as London (14 miles north), City of Westminster (15 miles north), Kensington (15 miles north), Brompton (14 miles north), Stockwell (12 miles north) and Orpington (12 miles north-east).
Landmarks near Netherne on-the-Hill
In Netherne on-the-Hill, that means kitchens and buildings near Shabden Park. For rail, the closest station is Coulsdon South station, roughly 1.6 miles north. Nearby you will also find The Belfry (3.8 miles south) and East Surrey Museum (2.9 miles east). The countryside around Netherne on-the-Hill includes South London Downs National Nature Reserve and Colley Hill.
How it works
We work around your opening hours, not the other way round. We book the visit for a time the area is closed, whether that’s an evening, overnight or a weekend. When the team arrives, the work area is protected and the relevant equipment is switched off to cool, and the job takes from one overnight visit to a phased programme over several weeks. Expect the work in Netherne on-the-Hill to happen after your last customer leaves, not during trading.
- We look at the system and any earlier reports.
- Inspection points are chosen and the ducts examined.
- We cover the area below and turn off the system.
- We clean the system and remove the debris from site.
- The report records what was cleaned, anything not reached and a next inspection date.
Getting ready for the visit
- Let us know how we reach the system, including roofs, risers and plant rooms
- Tell us where we can park and unload
- Mention any sign-in, permit or induction we need
How to get a quote
Photos are enough for some jobs, while others need a look on site. Larger sites, and anything hidden behind walls, ceilings or floors, are normally surveyed first. Either way, you get a fixed price before any work starts.