Greater London · Air handling unit cleaning
AHU Cleaning in Leaves Green
Professional AHU cleaning in and around Leaves Green, booked around your opening hours and finished with a written report and photos.
- Dirty filters cutting the airflow
- Units that have only ever had filter changes
- Dust-coated heating and cooling coils
How we handle AHU cleaning in Leaves Green
The fan pushes every bit of air in the system, so dirt on the impeller and housing gets spread around. Fan, housing and the surrounding panels are cleaned as part of the job, once the unit has been shut down and isolated. If you’re dealing with debris and leaves in the fresh air intake and drain trays holding standing water, we can put it right.
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 Leaves Green.
A written report with pictures follows each visit, so there’s a dated record of the work. Kitchen extract cleaning to TR19® Grease is certificated through the BESCA Vent Hygiene Elite portal.
- Where
- Leaves Green (BR2)
- Wider area
- Greater London
- Records
- Report and photos after the visit
- Price
- Fixed quote, normally within a working day
- Working hours
- Evenings, overnight and weekends; 24/7 emergencies
- Call
- 0345 646 2711
- Updated
- 30 October 2026
For landlords and multi-site operators
Whether it’s one building or many, the standard is the same: the system surveyed, the price fixed, the visit fitted around trading and everything written up afterwards.
Running several sites is easier with one contractor. We cover South East England and London, so visits at different addresses can be planned together and kept on a regular cycle.
What a clean won’t put right
A few issues sit outside what this work can do:
- Problems with the unit’s controls or sensors
- Ventilation that was badly designed in the first place
- Coils that are corroded or leaking and need replacing
If you’re not sure, just call us on 0345 646 2711 or email us and we will give you a straight answer before booking.
What we work on in Leaves Green
- Supply and extract fans
- Filter sections
- Heating and cooling coils
- Dampers and louvres
- Internal panels
- Drain trays
Questions from Leaves Green
Can a school’s ventilation in Leaves Green be done out of term time?
Yes. The holidays are the usual time for school work. With about 4 schools and colleges on the FSA’s register within roughly a mile and a half of Leaves Green, it pays to plan holiday dates ahead. Tell us your holiday dates and we will book the visit for when the site is empty.
Does London parking affect a job in Leaves Green?
London parking can be tight, so details of loading bays and permits help. Working overnight, as we often do in London, typically makes it simpler.
What is TR19?
It’s BESA’s specification and the benchmark insurers, fire officers and EHOs look to. It covers how systems are inspected, cleaned and checked and expects a risk-based approach.
Will you repair the fan or motor?
AHU cleaning is what we offer here, not mechanical repairs. If we spot a fault, we note it in the report so your maintenance contractor can deal with it.
What happens to the waste?
It’s contained and taken away. Grease, debris and waste water are collected as the work goes on, so it does not spread.
What do you do to protect the area?
Protection goes down first: floor sheeting and covers over nearby surfaces and equipment. We tidy up and take our waste away before we leave.
Do you have a 24/7 line?
Yes, day and night, every day of the year. Our office is open from 8am to 6pm on weekdays, and the emergency line covers the rest.
How much notice should we give?
That depends on the slot you want and the size of the job. Mention your preferred dates with your enquiry, and for anything urgent, ring our 24/7 emergency line.
Why it’s worth doing now in Leaves Green
A clogged coil or dirty fan makes the unit work harder for the same airflow. That means more wear on the motor and rooms that feel less fresh, and a planned clean is far less disruptive than a breakdown. Choosing the date yourself beats having a fault choose it for you.
Combining work into one visit or one programme often makes better use of the time. Mention every system or site you need covered and we’ll price it together.
Why Leaves Green businesses choose us
- We diagnose before we treat
- We’re fully insured
- A fixed price before any work starts
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
See how cleaning jobs are priced and our accreditations and certificates.
Towns and villages near Leaves Green
More services for Leaves Green
Signs you need AHU cleaning in Leaves Green
Mechanical servicing keeps a unit running, but it does not always include cleaning the inside. So a unit can be well maintained and still dirty.
Common reasons sites call us are:
- Drain trays holding standing water
- Air handling units never cleaned inside
- Dust-coated heating and cooling coils
- Units needing a clean before a new tenant or handover
If you manage a school such as Meridian High School, ventilation cleaning is best booked for the holidays.
What to look for in a quote
- Which accreditations they hold, and whether you can check them
- What insurance they carry
- Whether the work can be done while the site is closed
- If they look at the system before pricing
Between visits
After the visit, a few habits help the work last:
- File each AHU report in the maintenance log
- Report musty smells from the vents right away
- Book the next check in line with the report
- Keep the area around the fresh air intake clear
If the ductwork hasn’t been cleaned, consider it next. A clean unit feeding dirty ducts only solves half the problem, and we can survey both.
Have the unit inspected regularly, in line with the risk-based approach of TR19® Air, rather than waiting for a problem.
Different parts, different methods
Filters
Every AHU relies on its filters to catch dust before it reaches the coils. As part of the clean, filters are checked and cleaned or replaced as agreed, and clean the filter housing.
Fans and fan sections
The fan section is cleaned with the unit switched off and isolated in agreement with the site.
What AHU cleaning looks like in Leaves Green
Going by the FSA’s register, there are about 4 schools, colleges and universities serving food in and around Leaves Green, up to about a mile and a half out. Many buildings of this kind have supply and extract ductwork that gathers dust and needs inspecting. About 2.2 miles north-east of Leaves Green is Princess Royal University Hospital, the nearest hospital. Clean air matters most where people are unwell, and that is as true in a care home as in a hospital. Getting kit to a London plant room normally means lifts, stairs and an agreed loading slot.
Princess Royal University Hospital, about 2.2 miles north-east, is the nearest hospital to Leaves Green, and healthcare sites of every size need their supply air kept clean.
Leaves Green is about 4 miles south of Bromley, in Greater London. Anywhere in BR2, we can carry out AHU cleaning at your premises. We cover 764 places across Greater London, large and small. For sites nearby, see our London page (12 miles or so).
Our technicians cover all of BR2 for AHU cleaning and the roads nearby. If you need AHU cleaning at premises on Ashmore Lane and Main Road or a nearby road, we can help. If your site is just outside Leaves Green, we cover Farthing Street (1 mile north-east), Downe (1 mile east), Nash (1 mile north-west), Luxted (1 mile south-east) and Keston (2 miles north). Larger places within reach include London (12 miles north-west), City of Westminster (15 miles north-west), Marylebone (15 miles north-west), Kensington (15 miles north-west), St Pancras (14 miles north-west) and Shoreditch (14 miles north).
Local landmarks in Leaves Green
Typical jobs here are in premises near The Kings Arms and South Park, among other places. For rail, the closest station is Hayes (Kent) station, about 2.8 miles north. Nearby you’ll also find Bethlem Museum of the Mind (3 miles north) and Princess Royal University Hospital (2.2 miles north-east). Green spaces nearby include Nore Hill and West Kent Golf Course nature reserve.
What we do, step by step
Your trading hours come first. 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 work takes one overnight shift for many single units, with bigger plant phased. Getting kit into a London building takes planning, so let us know where we can load and park in Leaves Green.
- First we agree when the unit can be switched off, including evenings or weekends.
- Before cleaning, each section is photographed.
- Filters, coils and internal surfaces are cleaned from intake to discharge.
- We finish with the fan section and the drain tray.
- After pictures are taken and the certificate issued.
Preparing for the visit
- Name a contact who can let us in at the agreed time
- Clear loose items from the work area
- Let us know how we reach the system, including roofs, risers and plant rooms
Get a fixed quote
To help us quote: where the site is, what it is and its opening hours, a few photos and the last certificate or report, if there is one. Then call us on 0345 646 2711 or send us an email.