Greater London · Air handling unit cleaning
Crook Log AHU cleaning
Professional AHU cleaning in and around Crook Log, booked around your opening hours and finished with a written report and pictures.
- Debris and leaves in the fresh air intake
- Rooms that smell stuffy when the system runs
- Dirty coils holding back the airflow
What your team can do, and what needs us
Away from the kitchen, the in-house job is mainly checking: clear grilles, a log of filter changes and reporting anything odd. Cleaning inside ducts and units is specialist work.
In-house cleaning and specialist cleaning do different jobs. A daily filter wipe and a weekly filter wash keep grease down at the front of the system, but grease that has passed the filters is out of reach. Reaching it takes a specialist with the right equipment.
AHU cleaning in Crook Log, done properly
An AHU clean is a thorough examination and treatment of the unit. Every section is opened, cleaned and photographed, so the report shows exactly what was done. The work covers drain trays, heating and cooling coils and filter sections, and the jobs we see most are dirty filters cutting the airflow and coils clogged with dust and debris.
Many London buildings have had their ventilation extended and altered through several fit-outs, leaving sections that are hard to reach and seldom cleaned. In Crook Log, as elsewhere, cleaning starts with an inspection of what’s there.
Accreditations are easy to claim and worth checking. We are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we hold CHAS, SafeContractor and ISO 9001, with full insurance on top.
- Location
- Crook Log (DA7, DA6, DA16)
- Wider area
- Greater London
- Records
- Report and photos after the visit
- Price
- A fixed quote up front
- Working hours
- Out of hours as standard, 24/7 emergency line
- Phone
- 0345 646 2711
- Last updated
- 30 October 2026
Your questions about AHU cleaning in Crook Log
Do you work at weekends in Crook Log?
Yes, out-of-hours work is a big part of what we do. Your customers, staff or residents in Crook Log needn’t be disturbed. Let us know the hours you are closed and we’ll book within them.
Is parking a problem for work in Crook Log?
We plan it in advance, so let us know about loading bays, permits and access rules at the building. Much of our London work is done overnight, which helps.
Which parts of an air handling unit do you clean?
We clean the filter section, heating and cooling coils, drain trays, fan and internal casing. What happens to the filters is agreed when we quote.
How much notice do you need?
It depends on the time you need and how big the job is. Tell us your preferred dates when you ask for a quote, and for anything urgent, ring our 24/7 emergency line.
Can you clean the ducts connected to the AHU?
Yes, supply and extract ducts, grilles and diffusers. The survey shows whether the ducts need cleaning now.
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.
Do you give a certificate after the clean?
Yes, both a certificate and a report with pictures. The report also suggests when the unit should next be inspected.
How long does it take to clean an air handling unit?
It takes a single shift for a typical unit, longer for large or heavily soiled ones. The unit’s size and condition make the biggest difference, and the quote will give you a clear idea.
What a clean will not put right
We’d rather tell you now than book work that will not help, so here are the limits:
- Controls and BMS settings that run the unit
- Breakdowns that need a mechanical engineer
- Leaking heating or cooling coils
Not sure which it is? You can call us on 0345 646 2711 or drop us a line and we’ll tell you honestly before you book.
Where we work
- Dampers and louvres
- Heating and cooling coils
- Internal panels
- Drain trays
- Supply and extract fans
- Filter sections
Aftercare tips
So the system stays in good health:
- Keep the area around the fresh air intake clear
- Make sure condensate is draining away
- Store the TR19 paperwork where auditors can find it
- Keep filter changes on time and recorded
We recommend when the unit should next be inspected or cleaned, based on what we found. TR19® Air is risk-based, so the interval depends on the unit and how the building is used.
Regular inspection under TR19® Air shows when cleaning is due instead of leaving it to guesswork.
The process
A visit follows the same order every time: protect the area, make the system safe, carry out the AHU cleaning, clear away and hand over the paperwork. On site, the work takes from a few hours for a compact unit to a day or more for a large one. Night and weekend working is normal for us in London, and a site in Crook Log is no exception.
- First we agree when the unit can be switched off, including evenings or weekends.
- 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.
Getting ready for the visit
- Mention any sign-in, permit or induction we need
- Agree a time when the area can be out of use
- Make sure equipment near the work can be switched off and left to cool
Getting a quote
We don’t publish a price list, because every site is different. Instead, we look at your site first, from pictures or a survey, then send a fixed quote. To get going, give us a ring on 0345 646 2711, or email photos.
Read more
Crook Log buildings and their air
Food Standards Agency records list about 31 schools, colleges and universities, about 66 care, childcare and hospital premises and about 4 hotels, B&Bs and guest houses registered as food businesses across Crook Log and its immediate surroundings (about a mile and a half). Many buildings of this kind have supply and extract ductwork that gathers dust and needs inspecting. Getting kit to a London plant room typically means lifts, stairs and an agreed loading slot. For Crook Log, the closest hospital is Bexley Hospital, roughly within half a mile south-east. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale.
Healthcare buildings such as Bexley Hospital, about within half a mile south-east, depend on their ventilation; if you manage a surgery, clinic or care home near Crook Log, yours matters too. If you manage offices or shops near Bexleyheath station, their ventilation can be inspected and cleaned out of hours. If you manage a school such as Crook Log Primary School, ventilation cleaning is best booked for the holidays.
Crook Log is about 3 miles south-east of Plumstead, in Greater London. Whether your site is in the middle of Crook Log or further out, AHU cleaning is available to all kinds of commercial premises, from a single unit to a large public building. Our Greater London coverage runs to 764 places, and Crook Log is one of them. There’s also a page for London, about 10 miles away.
AHU cleaning in DA7, DA6 and DA16 follows the same survey, fixed quote and written report as everywhere else we cover. Local streets include Bean Road, Lion Road and Alers Road, and we cover them all for AHU cleaning. Neighbouring places we cover for AHU cleaning include Upton (1 mile east), Bexleyheath (1 mile east), Welling (1 mile west), Blendon (1 mile south) and Bexley (1 mile south). Within a short drive, we also cover London (10 miles west), City of Westminster (13 miles west), Marylebone (12 miles west), Kensington (14 miles west), St Pancras (11 miles north-west) and Shoreditch (10 miles north-west).
What’s near Crook Log
Around Crook Log, our work takes us to kitchens and buildings near Danson Park, St Columba's Catholic Boys' School and The Crook Log Public House and the streets around them. Crook Log has its own railway station: Bexleyheath station. Other landmarks nearby include Bexley Museum (1.7 miles south-east) and Broadway Shopping Centre (0.9 miles east). For a walk, there’s Summer Hill and Wansunt Pit.
Fixed quotes for AHU cleaning in Crook Log
Sites vary more than people expect. The main factors:
- Any permits to work or inductions
- Travel, parking and unloading
- What state the system is in
- Whether several sites go on one quote
A single site or a whole portfolio, the quote is built the same way: what needs doing, how we get to it and when. You’ll have a fixed price before any work starts.
What we need to know
Photos let us diagnose from a distance. The most useful are:
- Any symptoms, from odd noises to smells or leaks
- Your opening hours and when the area is out of use
- Where the plant sits or the system leaves the building, such as a roof or outside wall
- Any access panels or hatches you can see
Quotes are quick. Send a few details and photos, and we normally reply with a fixed quote within one working day. Where a survey is needed, we arrange a time that suits the site.
Why it’s worth doing now in Crook Log
A clean unit feeds cleaner air into the ductwork, so the whole system stays cleaner for longer. That makes the next inspection of a building in Crook Log simpler. For a site in Crook Log, fitting the work in overnight now is far easier than closing at short notice later.
The cost depends on how big the system is, the condition it’s in and access to every part of it. You get a fixed price before work begins, so there are no surprises.
Why book with us
- Every visit written up, with photos
- CHAS, SafeContractor and ISO 9001
- Every job surveyed first
- Full insurance on every job
Take a look at how cleaning jobs are priced and how to check a contractor.
Also near Crook Log
Also in Crook Log
For landlords and multi-site operators
From a single site to a large estate, you get the same standard: the system surveyed, the price fixed, the visit fitted around trading and everything written up afterwards.
Facilities teams in offices, schools and healthcare sites book us too in Crook Log and across Greater London. Work can be phased by floor, building or site around the people who use them.