Greater London · Air handling unit cleaning
Air handling unit cleaning in Cranford, Greater London
Looking for AHU cleaning in Cranford? We survey first, send you a fixed quote and work around your opening hours, then sign off with a report and photos.
- Air handling units with blocked filters
- Air handling units due a clean after building work
- Odours coming through the supply air
AHU cleaning for kitchens and businesses in Cranford
All the building’s air passes through the fan, so dust on its blades and housing ends up in the airstream. Fan, housing and the surrounding panels are cleaned as part of the job, with the unit switched off and made safe first. Common call-outs are for filters that are clogged or overdue and blocked condensate drains and slimy trays, across heating and cooling coils, internal panels and drain trays.
London buildings often depend on air handling units in plant rooms or on the roof to supply fresh air. For a building in Cranford, dust settles in the units and ducts year after year.
Think of the report as the system’s health record: dated, with pictures, and showing what was done. Grease extract cleans are also certificated to TR19® Grease through the BESCA VHE portal and sits alongside the report.
- Place
- Cranford (TW4, TW5, UB3)
- Region
- Greater London
- Reporting
- Written report with photos
- Quote
- Fixed quote, typically within a working day
- Working hours
- Evenings, overnight and weekends; 24/7 emergencies
- Call
- 0345 646 2711
- Checked
- 30 October 2026
Cranford buildings and their air
Food Standards Agency records list about 22 schools, colleges and universities, about 20 hospitals, care homes and childcare premises and about 19 hotels and B&Bs registered as food businesses in and around Cranford, up to about a mile and a half out. Classrooms, bedrooms and care spaces are often served by ducted air, and that ductwork collects dust over time. Ventilation cleaning in London buildings is normally planned for evenings or weekends. Cranford’s nearest hospital, Hounslow Hospital, is about 1.6 miles east. Clean air matters most where people are unwell, and that’s as true in a care home as in a hospital.
Hounslow Hospital, about 1.6 miles east, is the nearest hospital to Cranford, and healthcare sites of every size need their supply air kept clean.
Cranford is about 2 miles north of Feltham, in Greater London. Wherever you are in the TW4 postcode area, we can carry out AHU cleaning at your premises. Our area takes in 764 places across Greater London, large and small. For sites nearby, see our London page, about 14 miles away.
All of TW4, TW5 and UB3 is covered for AHU cleaning, from the main roads to the quietest streets. Streets in the area include Ely Road, Park Lane and The Avenue, and we cover them all for AHU cleaning. If your site is just outside Cranford, we cover Hatton (1 mile south-west), Harlington (1 mile north-west), Heathrow (2 miles west), Feltham (2 miles south) and Sipson (2 miles north-west). Larger places within reach include London (14 miles east), City of Westminster (11 miles east), Marylebone (12 miles east), Kensington (9 miles east), St Pancras (13 miles east) and Shoreditch (15 miles east).
Near you in Cranford
We work in commercial kitchens and buildings around Cranford Community College, The Queen's Head pub and Hounslow Heath, among other places. Cranford’s nearest station is Hayes & Harlington station, about 1.9 miles north. Other landmarks nearby include Hounslow Hospital (1.6 miles east) and Treaty Centre (2 miles east). Green spaces nearby include Garden Lake and Northala Fields.
Between visits
Think of this as the after-treatment advice, short and simple:
- Report musty smells from the vents right away
- Keep inspection doors on the unit in good order
- Plan the next inspection before the last report gets filed away
- Do not store bins or materials near the intake
Once the clean is done, we send a TR19® certificate and a report with before and after photos. They belong in the plant or maintenance log.
Have the unit inspected regularly, in line with the risk-based approach of TR19® Air, rather than waiting for a problem.
What happens on the day
At the end of the visit, someone from your team can look over the work with us. Anything we couldn’t reach or that needs attention is pointed out there and then, and it goes on the report too. The visit takes half a day to a full day per unit, with large plant planned over several shifts. Security desks and permits-to-work are routine in London, so let us know what your building in Cranford needs from us.
- We agree a shutdown window that suits the building.
- We take before photos of each section of the unit.
- We work through the unit from the intake to the outlet.
- We finish with the fan section and the drain tray.
- After photos are taken and the certificate issued.
Getting ready for the visit
- Let us know about permits to work or site inductions
- Agree a time when the area can be out of use
- Move anything stored near the system
Get a fixed quote
Here’s what helps us quote: the address, the type of site and when it’s open, a few pictures and the last certificate or report, if there is one. Once you have those, call us on 0345 646 2711 or use the quote form.
Advice
What happens if it’s left?
Tenants, auditors and owners may want proof that the air handling plant is kept clean. A TR19® certificate and photo report give you that, ready to show anyone who asks. For a site in Cranford, fitting the work in overnight now is far easier than closing at short notice later.
You won’t find a price list here, because each job is priced on what it involves. For a fixed quote, phone us on 0345 646 2711 or use the quote form, and we will explain what it covers.
What you get with us
- Evenings, overnight and weekends, plus 24/7 emergency callout
- One contact for all your sites in London and the South East
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
- CHAS and SafeContractor accredited, with ISO 9001
What your team can do, and what needs us
Staff cleaning doesn’t replace a specialist visit; it supports it. Regular in-house cleaning slows the build-up, but hidden parts of the system still need specialist attention.
Keep a record of what your team does. A simple log of filter washes, wipe-downs and checks shows an inspector that the system is looked after between visits, alongside our reports.
Do you need AHU cleaning in Cranford?
Planned maintenance often covers belts, motors and filters but not cleaning. So a unit can be well maintained and still dirty.
These are the problems we see most often:
- Plant that has been serviced but not cleaned
- Stale or musty smells from the ventilation
- Plant that needs cleaning after a refit
- Drain trays holding standing water
If you manage a school such as Cranford Primary School, ventilation cleaning is best booked for the holidays.
Questions to ask before you book
- What records you will receive afterwards
- Proof of accreditation you can verify
- How VAT is shown on the quote
- Proof of insurance
Common questions in Cranford
Do you work at weekends in Cranford?
Yes, evening, overnight and weekend work is normal for us. The site is handed back ready to open. When you ring 0345 646 2711 or email us, mention when the site is quiet.
What do you need to know about parking in Cranford?
Parking and loading in London need planning, so tell us about bays, permits and building rules when you book. Much of our London work is done overnight, which helps.
How often should an air handling unit be cleaned?
Under TR19® Air, cleaning is led by inspection and risk rather than a set calendar. Each report suggests when the unit should next be looked at.
Can you look after several sites?
Yes. You deal with one contact for every site across London and the South East, and visits can be set on a regular cycle.
Do you give a certificate after the clean?
Yes, a TR19® certificate and a photo report. The report also suggests when the unit should next be inspected.
What happens if you can’t reach some of it?
They’re marked on the report. In ductwork, new access panels are often the answer, which we can install.
How far ahead should we book?
The more notice, the better, especially for out-of-hours work. We normally quote within one working day, and emergencies are covered by our 24/7 line.
What does AHU cleaning cost?
It depends on the site, so we quote each one individually. For a quote, call 0345 646 2711 or email us and tell us about the site and its opening hours.
How we price AHU cleaning
We don’t publish a price list, because sites vary so much. What we look at:
- When the work can happen, such as evenings, overnight or weekends
- The condition we find in the survey
- Where the site is and how we reach it
- Whether we need access equipment or extra panels
One small site or a whole estate, the quote is built the same way: the work involved, the access and the timing. You will have a fixed price before any work starts.
Asking for a quote
You do not need the technical terms. Just send:
- Close-ups of filters, grilles, hatches or access panels
- Any symptoms, from odd noises to smells or leaks
- A few general shots of the system
- How we’d reach plant on a roof or in a plant room
There’s no standard price list, because every site is different. We look at your system first, from photos or on a visit, then send a fixed quote. To get going, ring 0345 646 2711 or drop us a line.
More services for Cranford
When something else is needed
AHU cleaning cannot fix everything, and we’d rather say so up front. It does not solve:
- Building management system faults
- Faulty motors, drives or bearings
- Ventilation that was badly designed in the first place
Not sure which it is? You can ring 0345 646 2711, or email photos and we will tell you honestly before booking.
Parts of the system we cover
- Dampers and louvres
- Filter sections
- Drain trays
- Supply and extract fans
- Internal panels
- Heating and cooling coils