Greater London · Air handling unit cleaning
Biggin Hill AHU cleaning
Looking for AHU cleaning in Biggin Hill? We survey first, send you a fixed quote and work around your opening hours, finishing with a written report and photos.
- Fan sections that haven’t been cleaned in years
- Air handling units due a clean after building work
- Dust-coated heating and cooling coils
Biggin Hill questions
Can parking be tricky for a job in Biggin Hill?
London parking can be tight, so details of loading bays and permits help. Working overnight, as we often do in London, normally makes it simpler.
Do you work overnight in Biggin Hill?
Yes, evening, overnight and weekend work is normal for us. The site is handed back ready to open. When you phone us on 0345 646 2711 or use the quote form, mention when the site is quiet.
How do you keep the site clean during the work?
Protection goes down first: floor sheeting and covers over nearby surfaces and equipment. We tidy up and take our waste away before we leave.
When should our AHU next be cleaned?
TR19® Air takes a risk-based approach, so it depends on inspection rather than a fixed interval. We recommend a next date in each report.
Do you work in Biggin Hill?
Yes. Our technicians work in Biggin Hill, within the South East and London area we cover.
How long will the unit be out of action?
Expect it to take half a day to a full day per unit, with large plant planned over several shifts. Size, layout and how dirty it is decide the rest, and we will confirm the time when we quote.
What does AHU cleaning cost?
Size, condition, access and working hours all affect the cost. Call for a fixed quote, usually ready within one working day.
Will you repair the fan or motor?
The clean includes noting faults, but repairs sit with your maintenance contractor, with the details in the report.
AHU cleaning in Biggin Hill, done properly
Our AHU cleaning covers sites in Biggin Hill and the rest of Greater London, in offices, schools, hospitals, care homes and retail. Units are cleaned when the site can spare them, often evenings, overnight or weekends. We’re often asked to deal with debris and leaves in the fresh air intake and dirty fans and fan housings, on drain trays, dampers and louvres and heating and cooling coils.
London buildings tend to keep their plant on the roof or below ground, so work in Biggin Hill is often done in the evening or at weekends. Loading and parking are planned with the building first.
A written report with photos follows every 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.
- Place
- Biggin Hill (TN16, BR6)
- Region
- Greater London
- Reporting
- Report and pictures after the visit
- Price
- Fixed quote, typically within a working day
- Working hours
- Overnight and weekend work, 24/7 emergency callout
- Phone
- 0345 646 2711
- Checked
- 30 October 2026
Managing agents and facilities teams in Biggin Hill
Landlords, managing agents and facilities managers book us, not only the businesses that use the systems. Shared systems, like a riser serving several units, need a clear agreement on who books the work, and we are happy to quote for all of it.
We regularly work with managing agents. Send the address, what’s needed and how access works and we will come back with a fixed quote.
What we are called out for in Biggin Hill
Dirt in an AHU matters in two ways: air quality, since the unit feeds occupied rooms, and performance, since dirt makes it strain. For anyone working, learning or staying in a building in Biggin Hill, that’s air they breathe for hours at a time.
It’s time to book a visit if you see:
- Fan sections that haven’t been cleaned in years
- Stale or musty smells from the ventilation
- Units that have only ever had filter changes
- Condensate trays that won’t empty
If you manage a school such as Oaklands Primary Academy, ventilation cleaning is best booked for the holidays.
Comparing quotes
- Whether inaccessible sections are listed on the report
- When the next visit should be, and why
- Which accreditations they hold, and whether you can check them
- If they look at the system before pricing
What affects the quote in Biggin Hill
The survey tells us what the work involves. We look at:
- The number of sites or systems
- Site requirements such as sign-in and permits
- The condition we find in the survey
- How big the system is
Every site is different, so each one gets its own fixed quote. The size of the job, how we reach it, its condition and the working hours all play a part.
Helping us quote
Many jobs can be priced from pictures and some basics. Send what you can of the following:
- Your opening hours and when the area is out of use
- Photos showing the whole system and its surroundings
- Where the plant sits or the system leaves the building, such as a roof or outside wall
- Problems your staff have spotted
If you need AHU cleaning in Biggin Hill, give us a ring on 0345 646 2711 or email us. Let us know the site type and the opening hours, plus pictures or the previous report if they’re to hand. We typically send a fixed quote within one working day.
What a clean won’t put right
It’s worth knowing the limits before booking:
- Mechanical faults with motors, belts or bearings
- Ventilation that was badly designed in the first place
- Coils that are corroded or leaking and need replacing
Not sure which it is? You can call us on 0345 646 2711 or use the quote form and we will tell you honestly.
What we work on in Biggin Hill
- Internal panels
- Filter sections
- Supply and extract fans
- Heating and cooling coils
- Drain trays
- Dampers and louvres
Different parts, different methods
Filters
Filters are the first line of defence in the unit. As part of the clean, filters are checked and cleaned or replaced as agreed, and clean the filter housing.
Heating and cooling coils
Because cooling coils run wet, the dirt on them tends to cling. We clean the coil and the tray beneath it together.
Biggin Hill buildings and their air
Food Standards Agency data includes about 5 hospitals, care homes and childcare premises within about 1.5 miles of central Biggin Hill. Many buildings of this kind have supply and extract ductwork that gathers dust and needs inspecting. Getting kit to a London plant room normally means lifts, stairs and an agreed loading slot. Biggin Hill’s nearest hospital, Warlingham Park Hospital, is about 2.7 miles west. Hospitals show how much a building can rely on its ventilation, and smaller healthcare sites rely on theirs too.
Healthcare buildings such as Warlingham Park Hospital, about 2.7 miles west, depend on their ventilation; if you manage a surgery, clinic or care home near Biggin Hill, yours matters too.
Biggin Hill is about 6 miles east of Caterham, in Greater London. Anywhere in TN16, we cover AHU cleaning for commercial sites. Biggin Hill is one of 764 places in Greater London where we work for commercial clients. Our London page covers sites nearby (14 miles or so).
AHU cleaning in TN16 and BR6 follows the same survey, fixed quote and written report as everywhere else we cover. Whether your site is on Rushdene Walk, Mount Pleasant and Stock Hill or anywhere close by, our technicians can take on the work. Biggin Hill sits on or near the A233, which makes travel easy for evening and night visits. If your site is just outside Biggin Hill, we cover Aperfield (1 mile south-east), Luxted (1 mile north-east), Berry's Green (1 mile east), Single Street (1 mile east) and Leaves Green (2 miles north). We also work in nearby towns such as London (14 miles north-west), Whitechapel (15 miles north), Brompton (15 miles north-west), Stockwell (13 miles north-west), Orpington (6 miles north-east) and Wimbledon (13 miles north-west).
Near you in Biggin Hill
Around Biggin Hill, our work takes us to kitchens and buildings near Charles Darwin School. Biggin Hill’s nearest station is Woldingham station, about 3.8 miles south-west of the centre. Nearby you’ll also find Warlingham Park Hospital (2.7 miles west). For a walk, there’s Betsom's Hill and West Kent Golf Course nature reserve.
What happens on the day
We’re used to working while the site is closed. A lot of visits happen overnight or at weekends, so a kitchen or building can carry on as usual the next day. On site, the work takes anything from half a day for one small unit to several shifts for a plant room full of them. Getting kit into a London building takes planning, so let us know where we can load and park in Biggin Hill.
- First the unit is surveyed, from pictures or a visit, and the scope agreed.
- With your site team, the unit is switched off and isolated, then the area around it protected.
- Filters, coils, fan section and casing are cleaned in turn.
- Standing water and slime come out of the tray and the drain is checked.
- A TR19® certificate and photo report follow the clean.
Before we arrive
- Allow time for equipment near the work to be turned off and cool down
- Let us know when the site is closed or quiet
- Mention any sign-in, permit or induction we need
Get a fixed quote
Need a price for AHU cleaning? Please ring 0345 646 2711 or send us an email and tell us about the site. We will talk you through the work and give you a fixed quote before you commit to anything.
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Why act early in Biggin Hill
Standing water in a drain tray doesn’t clear itself. Left alone, it can overflow, leak into the plant area or ceiling below and spread smells through the system. Dealing with it early keeps the clean straightforward. In a London building, a problem in a duct, damper or fan rarely stays in one unit.
You will not find a price list here, because the cost depends on the site in front of us. Call for a fixed quote, and we will talk you through it.
Why book with us
- Evenings, overnight and weekends, plus 24/7 emergency callout
- CHAS and SafeContractor accredited, with ISO 9001
- One number for every site across the South East and London
- A written report with pictures after every visit