Greater London · Air handling unit cleaning
Cricklewood AHU cleaning
AHU cleaning for commercial sites in Cricklewood and across Greater London. BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease.
- Air handling units with blocked filters
- Rooms that smell stuffy when the system runs
- Debris and leaves in the fresh air intake
AHU cleaning in Cricklewood, done properly
All the building’s air passes through the fan, so dust on its blades and housing ends up in the airstream. We clean the fan section along with the rest of the unit, once the unit has been shut down and isolated. We are often asked to deal with units that have only ever had filter changes and odours coming through the supply air, on supply and extract fans, dampers and louvres and internal panels.
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 Cricklewood, as elsewhere, cleaning starts with an inspection of what’s there.
The paperwork matters as much as the work. You get a written report with pictures after each visit, listing what was done, anything we couldn’t reach and when the next visit is due. Keep it with your fire safety records so it’s to hand when an insurer or inspector asks.
- Where
- Cricklewood (NW2, NW6, NW10)
- Region
- Greater London
- Records
- Report and photos after the visit
- Quote
- Fixed quote, usually within a working day
- Hours
- Out of hours as standard, 24/7 emergency line
- Telephone
- 0345 646 2711
- Checked
- 30 October 2026
In-house cleaning or a specialist?
When your team notices a problem between visits, like drips, unusual noise, smells or damaged filters, it’s best reported rather than tackled in-house. We’ll take a look and give you a fixed quote.
Away from the kitchen, the in-house job is mainly checking: keeping grilles clear, noting unusual noise or smells and logging filter changes. Cleaning inside ducts and units is specialist work.
Fixed quotes for AHU cleaning in Cricklewood
Before we fix a price, we need to know a few things. We check:
- Whether several sites go on one quote
- The condition we find in the survey
- Access, including roofs, risers and ceiling voids
- When the work can happen, such as evenings, overnight or weekends
What you pay depends on the size of the system, the condition it’s in and access to every part of it. You get a fixed price before any work starts, so you know where you stand.
Asking for a quote
A few details help us quote accurately. When you get in touch, it helps to send:
- Any previous report or certificate
- The site address and the type of premises
- The times we could work without disrupting the site
- Anything you’ve noticed, such as smells, noise, drips or poor airflow
There’s no standard price list, because every site is different. Instead, we look at your site first, from photos or a survey, then send a fixed quote. To start, call us on 0345 646 2711 or email us.
Between visits
Results last longer with the right care. Here’s what we suggest:
- Plan the next inspection before the last report gets filed away
- Make sure condensate is draining away
- Watch for drips or damp patches near the plant
- Keep the certificate and photo report with the plant records
When we’ve closed the unit up, it can be restarted with your site team. Keep an eye on the condensate drain over the next few days to confirm water is draining away.
Regular inspection under TR19® Air shows when cleaning is due, rather than waiting for a problem.
Different parts, different methods
Fans and fan sections
Build-up on fan blades can upset the balance and add wear. A clean fan runs more smoothly.
Heating and cooling coils
Heating and cooling coils have tightly packed fins that trap fine dust. They’re cleaned using methods that will not bend or flatten the fins.
Your questions about AHU cleaning in Cricklewood
Can parking be tricky for a job in Cricklewood?
London parking can be tight, so details of loading bays and permits help. If the building has a loading slot system, we’ll book into it.
Can ventilation in schools around Cricklewood be cleaned out of term?
Yes. The holidays are the usual time for school work. Food Standards Agency records list about 68 schools, colleges and universities with registered kitchens within about a mile and a half of Cricklewood. Booking early in the term gives the best choice of holiday dates.
Do you clean the ductwork as well?
Yes. Ventilation ductwork cleaning to TR19® Air is part of what we do. Cleaning the unit and ducts together often makes sense, and we can quote for both.
Do you work evenings or weekends?
Yes. Evening, overnight and weekend work is all possible, so the building keeps running in the day.
Can you price the work without visiting?
Yes, if we can see what we need. If not, a site survey comes first, then a fixed quote.
How often do AHUs need cleaning?
There’s no single answer; it comes down to the building and the unit. Inspection tells you when cleaning is needed, and the report recommends a next date.
How long does it take to clean an air handling unit?
Typically the clean takes half a day to a full day per unit, with large plant planned over several shifts. We plan the shutdown around that, out of hours if needed.
What accreditations do you have?
Our accreditations are CHAS, SafeContractor and ISO 9001, alongside BESCA Vent Hygiene Elite membership, cleaning to BESA TR19® Grease. The Vent Hygiene Elite scheme is run by BESCA and audited independently.
AHU cleaning around Cricklewood
Going by the FSA’s register, there are about 68 schools, colleges and universities, about 50 hospitals, care homes and childcare premises and about 10 hotels, B&Bs and guest houses serving food within roughly a mile and a half of the centre of Cricklewood. Busy, occupied buildings like these are where clean supply air matters most. Getting kit to a London plant room usually means lifts, stairs and an agreed loading slot. For Cricklewood, the closest hospital is St Andrew's Hospital, roughly 0.8 miles north-west. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale.
Healthcare ventilation, from large hospitals like St Andrew's Hospital (about 0.8 miles north-west) to small clinics, depends on clean filters, coils and ducts. If you run an office near Cricklewood station, its supply ductwork can gather dust for years before anyone looks inside. School buildings such as Anson Primary School are usually done in the holidays, so classrooms are not disturbed.
Cricklewood is about 1 mile north-west of Kilburn, in Greater London. Whatever kind of site you run in Cricklewood, we can take on AHU cleaning. We can work out of hours so trading isn’t interrupted. We cover 764 places across Greater London, large and small. For sites nearby, see our London page, about 7 miles away.
Every address in NW2, NW6 and NW10 is within our area for AHU cleaning, from busy streets to back roads. Streets in the area include Ivy Road, Walm Lane and Dean Road, all of which we cover for AHU cleaning. Cricklewood is on the A407, which makes it straightforward for our technicians to reach for AHU cleaning. Close by, we work in Brondesbury (1 mile south-east), Willesden (1 mile south-west), Dollis Hill (1 mile north-west), Willesden Green (1 mile south-west) and Neasden (1 mile west). Further out, we also cover London (7 miles south-east), City of Westminster (4 miles south-east), Marylebone (4 miles south-east), Kensington (4 miles south), St Pancras (5 miles south-east) and Shoreditch (6 miles east).
What’s near Cricklewood
Typical jobs here are in premises near Hampstead School, The Crown Public House and Gladstone Park, among other places. There’s a railway station in Cricklewood itself: Cricklewood station. A little further out are St Andrew's Hospital (0.8 miles north-west) and Brent Museum and Archives (0.7 miles south-west). Open spaces near Cricklewood include Parliament Hill and Westbere Copse.
The process
There are three stages on the day: set-up, the treatment itself and the sign-off. Set-up means sheeting and making equipment safe, and the sign-off is a written report with photos. Most of the time goes on the work itself, which takes a single shift for a typical unit, longer for large or heavily soiled ones. In Cricklewood, as across London, we normally work overnight or at weekends and hand the site back ready to open.
- The survey covers the unit, its access and how it can be shut down.
- The area is protected and the unit made safe.
- Each section is cleaned of dust, debris and slime.
- We clean the coils and clear the tray and drain.
- The unit is closed up and handed back, with a report to follow.
How to prepare
- Tell us where we can park and unload
- Make sure someone can let us in and lock up afterwards
- Let us know how we reach the system, including roofs, risers and plant rooms
Getting a quote
Every quote begins with a look at the system, from your photos and details or, where that is not enough, a survey on site. Then we send a fixed price so you know the cost before any work starts.
Advice
What a clean won’t put right
We won’t sell you work that does not address the problem, so here are the limits:
- Problems with the unit’s controls or sensors
- Ventilation that was badly designed in the first place
- Dirty ducts beyond the unit itself
If you are not sure, just phone us on 0345 646 2711 or email us and we’ll give you a straight answer.
What we work on in Cricklewood
- Filter sections
- Internal panels
- Supply and extract fans
- Heating and cooling coils
- Drain trays
- Dampers and louvres
Towns and villages near Cricklewood
What else we do in Cricklewood
Landlords, agents and facilities managers
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.