Greater London · Air handling unit cleaning
AHU Cleaning in Upper Ruxley
Looking for AHU cleaning in Upper Ruxley? We survey first, send you a fixed quote and work around your opening hours, then sign off with a report and photos.
- Units needing a clean before a new tenant or handover
- Dust built up on fan impellers
- Air handling units with blocked filters
Upper Ruxley: your questions answered
What do you need to know about parking in Upper Ruxley?
A loading bay, a visitor permit or off-street space near the site in Upper Ruxley makes the visit easier to plan. Much of our London work is done overnight, which helps.
Can you come to Upper Ruxley after we close?
Yes, evening, overnight and weekend work is normal for us. The site is handed back ready to open. Let us know the hours you are closed and we’ll book within them.
When should our AHU next be cleaned?
There’s no single answer; it comes down to the building and the unit. Regular inspection shows when it’s due, and the report recommends a next date.
Will we get paperwork for the AHU clean?
Yes. A TR19® certificate and photo report are sent after the clean, with any faults we noticed.
Can you come out in an emergency?
Yes, any time. For anything urgent, such as a fan failure or damage after a fire, ring the 24/7 line and we will talk you through the next steps.
What does TR19 mean?
TR19® is the BESA specification for keeping ventilation systems clean. Since 2019, TR19® Grease has been a standalone specification for grease in kitchen extract systems, and TR19® Air covers general supply and extract systems.
Can you quote from pictures?
Often, yes. Photos of the system and the access, plus your opening hours and last report, are often enough. Larger or hidden systems need a survey on site first.
What types of premises do you cover?
Any site with a kitchen or a ventilation system to look after, from a small pub to a hospital. Hotels, schools, care homes, offices, shops and leisure sites are all part of our work.
AHU cleaning in Upper Ruxley, done properly
We clean air handling units for buildings in Upper Ruxley and across Greater London, working to TR19® Air, in offices, schools, hospitals, care homes and retail. Units are cleaned when the site can spare them, often evenings, overnight or weekends. The work covers filter sections, dampers and louvres and drain trays, and the jobs we see most are plant that has been serviced but not cleaned and odours coming through the supply air.
In London, plant rooms are often in basements or on roofs reached through occupied floors, so work in Upper Ruxley is often done in the evening or at weekends. Loading and parking are planned with the building first.
Good records are part of the job. You get a written report with photos after every visit, covering the work done, any areas we couldn’t access and a recommended next date. File it in your maintenance log so it’s to hand when an insurer or inspector asks.
- Location
- Upper Ruxley (DA14)
- Wider area
- Greater London
- Reporting
- Written report with pictures
- Price
- Fixed quote, typically within a working day
- Hours
- Overnight and weekend work, 24/7 emergency callout
- Call
- 0345 646 2711
- Checked
- 30 October 2026

When to call us in Upper Ruxley
An AHU’s intake draws in outdoor air and everything in it: dust, pollen, leaves and debris. The intake section and first filters take the brunt, and the finer material travels on.
Keep an eye out for any of the following:
- Fan sections that haven’t been cleaned in years
- Dust-coated heating and cooling coils
- Drain trays holding standing water
- Stale or musty smells from the ventilation
Queen Mary's Hospital, about 1.8 miles west, is the nearest hospital to Upper Ruxley, and healthcare sites of every size need their supply air kept clean.
Questions to ask before you book
- What hours they’ll be on site
- Whether a survey comes first
- What paperwork you get at the end
- Whether they’re fully insured
How we price AHU cleaning
We quote each job individually. These are the things that affect it:
- Any permits to work or inductions
- How many systems or sites are involved
- The condition we find in the survey
- When the work can happen, such as evenings, overnight or weekends
Every site is different, so each one gets its own fixed quote. Size, access, the condition of the system and when we can work all play a part.
What we need to know
Photos let us diagnose from a distance. The most useful are:
- Where the site is and what kind of site it is
- When the site is open and when it’s quiet
- Any access panels or hatches you can see
- Anything you’ve noticed, such as smells, noise, drips or poor airflow
If you need AHU cleaning in Upper Ruxley, give us a ring on 0345 646 2711 or drop us a line. Tell us what kind of premises it is and when it’s open, and send photos or your last report if you can. A fixed quote typically follows within one working day.
What AHU cleaning can’t fix
In fairness, some problems need a different fix:
- Mechanical faults with motors, belts or bearings
- Dirty ducts beyond the unit itself
- Coils that are corroded or leaking and need replacing
If you’re not sure, just phone us on 0345 646 2711 or use the quote form and we’ll give you a straight answer.
What we work on in Upper Ruxley
- Heating and cooling coils
- Drain trays
- Dampers and louvres
- Filter sections
- Internal panels
- Supply and extract fans
How the visit works
The first job on site is protection: floors, worktops and anything near the work are covered. Then we make the system safe and start. The work on site takes one overnight shift for many single units, with bigger plant phased, and we clear up before we go. Before any visit in Upper Ruxley, we agree where the van can stop and how equipment reaches the system.
- We agree a shutdown window that suits the building.
- We take before photos of each section of the unit.
- Filters, coils and internal surfaces are cleaned from intake to discharge.
- The fan and drain tray are cleaned and the drain checked.
- We take after photos and issue the certificate and report.
Preparing for the visit
- Tell us the best time to work, such as after service or at a weekend
- Plan for cooking equipment or plant to be off before we arrive
- Find the previous report, if there is one
How to get a quote
Every quote begins with a look at the system, either from photos and details you send or from a site visit. After that, you get a fixed price for the work, before work begins.
Advice
Why deal with it now?
Dirty coils and fans make the unit strain to move the same air. That means more wear on the motor and rooms that feel less fresh, and a clean on your terms beats a breakdown on nobody’s. Planning ahead in Upper Ruxley lets you pick a quiet night rather than lose a busy one.
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.
Why choose Duct Doctor in Upper Ruxley
- We are fully insured
- A written report with pictures after every visit
- CHAS, SafeContractor and ISO 9001
- Fixed quotes from a survey or pictures
See our cost guide or our accreditations.
Aftercare tips
Here’s the after-treatment advice, short and simple:
- Report stiff or damaged access doors
- Keep the area around the fresh air intake clear
- Keep the certificate and photo report with the plant records
- Look at the condensate drain whenever the unit is serviced
Photos in the report cover the filters, coils, drain tray, fan and casing, and note any part we couldn’t get to. It also notes faults we spotted, such as damaged panels or a blocked drain.
Make the drain tray part of every maintenance visit. Catching a slow drain early stops standing water building up.
Nearby places to Upper Ruxley
What else we do in Upper Ruxley
What the work involves, part by part
Drain trays
Standing water in a tray sits right where the air passes. We clean it and note if the slope or the drain needs attention.
Heating and cooling coils
Dirt on a coil slows the air and makes it harder for the coil to heat or cool. Cleaning restores the open path through the fins.
AHU cleaning in Upper Ruxley: local notes
There are about 6 schools, colleges and universities and about 13 caring premises (care homes, nurseries and hospitals) on the FSA’s food hygiene register in Upper Ruxley and the streets around it, up to about 1.5 miles out. Where buildings like these have air handling units, filters, coils and drain trays need regular attention. In London, ventilation plant is often on the roof or below ground, so the work is usually done out of hours. Upper Ruxley’s nearest hospital, Queen Mary's Hospital, is about 1.8 miles west. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale.
School buildings such as Hope Community School are usually done in the holidays, so classrooms are not disturbed.
Upper Ruxley is about 2 miles south-east of Sidcup, in Greater London. Every kind of commercial site in Upper Ruxley, AHU cleaning is something we can help with. We can work out of hours so trading is not interrupted. Upper Ruxley is one of 764 towns, villages and districts in Greater London we cover for commercial clients. You can also see our page for London, roughly 12 miles from Upper Ruxley.
AHU cleaning in DA14 is surveyed, quoted and booked the same way as anywhere else. That includes premises on Maidstone Road and Old Maidstone Road and nearby roads. Nearby, we also carry out AHU cleaning in Ruxley (1 mile north-west), Hockenden (1 mile south-east), Stonehill Green (1 mile east), Foots Cray (1 mile west) and North Cray (1 mile north). Further out, we also cover London (12 miles north-west), City of Westminster (15 miles north-west), Marylebone (14 miles north-west), St Pancras (14 miles north-west), Shoreditch (12 miles north-west) and Walthamstow (14 miles north-west).
Landmarks near Upper Ruxley
Locally, jobs take us to businesses close to Kemnal Technology College and Foots Cray Meadows. For rail, the closest station is Swanley station, about 1.7 miles south-east of the centre. A little further out are Queen Mary's Hospital (1.8 miles west) and Eynsford Castle (4.2 miles south-east). Open spaces near Upper Ruxley include The Warren and Summer Hill.