Greater London · Air handling unit cleaning
Hadley AHU cleaning
AHU cleaning across Hadley and nearby, timed so the site keeps working and finished with a written report and photos.
- Drain trays holding standing water
- Coils clogged with dust and debris
- Stale or musty smells from the ventilation
AHU cleaning for kitchens and businesses in Hadley
The fan pushes every bit of air in the system, 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, once the unit has been shut down and isolated. Common call-outs are for dust-coated heating and cooling coils and debris and leaves in the fresh air intake, across supply and extract fans, dampers and louvres and heating and cooling coils.
London offices and flats often have ductwork added through successive refits, leaving sections that are hard to reach and seldom cleaned. In Hadley, as elsewhere, cleaning starts with an inspection of what’s there.
Every visit ends with a written report and photos, so you have a record of what was done and when. Kitchen extract cleaning to TR19® Grease is certificated through the BESCA Vent Hygiene Elite portal.
- Place
- Hadley (EN5, EN4)
- Region
- Greater London
- Records
- Photo report after each visit
- Quotes
- Fixed quote, typically within a working day
- Working hours
- After hours by arrangement; emergencies any time
- Phone
- 0345 646 2711
- Last updated
- 30 October 2026
When to call us in Hadley
Most units live out of sight on roofs, in plant rooms or in ceiling voids and are rarely seen by anyone but maintenance staff. Months can pass without anyone looking inside.
It’s time to book a visit if you see:
- Dirty fans and fan housings
- Air handling units due a clean after building work
- Intake sections clogged with outdoor debris
- Rooms that smell stuffy when the system runs
If you run a surgery, dental practice or care home near Hadley, clean ventilation matters as much to you as to a hospital like Barnet General Hospital (about 0.7 miles south-west).
What your quote should include
- What’s included in the scope, part by part
- Whether the figure could change on the day
- How they set the interval to the next visit
- Which accreditations they hold, and whether you can check them
AHU cleaning around Hadley
There are about 21 schools, colleges and universities and about 26 care, childcare and hospital premises on the FSA’s food hygiene register across Hadley and its immediate surroundings (about a mile and a half). Buildings like these often rely on mechanical ventilation, which TR19® Air covers. Getting kit to a London plant room typically means lifts, stairs and an agreed loading slot. Barnet General Hospital is the nearest hospital, about 0.7 miles south-west of Hadley. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale.
Wherever a school like Susi Earnshaw Theatre School has ducted ventilation, a half-term visit keeps the work out of lesson time.
Hadley is about 1 mile north-west of Barnet, in Greater London. Hadley gets the same approach as every site we work on: a survey first, a fixed quote, work timed around your hours and a report with pictures. Our area takes in 764 places across Greater London, from busy centres to quieter spots. Our London page covers sites nearby, about 12 miles away.
AHU cleaning in EN5 and EN4 follows the same survey, fixed quote and written report as everywhere else we cover. If you need AHU cleaning at premises on Byng Road, Park Road and Dury Road or a nearby road, our technicians can take on the work. Hadley is on the A1081, so it’s easy for us to get to for AHU cleaning. We also cover High Barnet (1 mile west), Kitts End (1 mile north), Arkley (1 mile south-west), Totteridge (1 mile south) and Dancers Hill (2 miles north). We also work in nearby towns such as London (12 miles south-east), City of Westminster (10 miles south), Marylebone (10 miles south), Kensington (11 miles south), St Pancras (10 miles south) and Shoreditch (10 miles south-east).
Landmarks near Hadley
Typical jobs here are in premises near Foulds School, Queen Elizabeth's Girls' School and Ye Olde Monken Holt pub, among other places. The nearest railway station is New Barnet station, roughly 1.3 miles south-east. Well-known places in the area include Barnet General Hospital (0.7 miles south-west) and Spires Shopping Centre (less than half a mile south-west). Green spaces nearby include Darland's Lake and King George's Fields (Monken Hadley).
Hadley questions
Do you work overnight in Hadley?
Yes. We work evenings, overnight and at weekends. That way a site in Hadley does not have to lose a day’s trading. Just phone us on 0345 646 2711 or drop us a line with your opening times and we’ll plan around them.
What do you need to know about parking in Hadley?
A loading bay, a visitor permit or off-street space near the site in Hadley makes the visit easier to plan. Working overnight, as we often do in London, normally makes it simpler.
Can one contract cover all our sites?
Yes. Send the list of sites and the work at each and you will get one fixed quote.
How long does an AHU clean take?
As a guide, it takes from a few hours for a compact unit to a day or more for a large one. We plan the shutdown around that, out of hours if needed.
What information do you need?
Some photos and a quick description of the system, with the address and opening hours. We’ll ask for anything else we need.
When should our AHU next 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.
Which kinds of sites do you work on?
All kinds of commercial and public premises: kitchens, offices, schools, healthcare, retail, leisure and food production. Work is timed around how each site runs.
What do you do with what you remove?
It leaves the site with us when we go. During the work, it’s contained so the area stays clean.
What staff can safely do
Logging matters as much as cleaning. A simple log of filter washes, wipe-downs and checks shows an inspector that the system is looked after between visits, alongside our reports.
Away from the kitchen, the in-house job is mainly checking: keeping grilles clear, noting unusual noise or smells and logging filter changes. The inside of ducts and units needs a specialist.
Why it’s worth doing now in Hadley
Facilities teams are often asked for evidence that the ventilation is looked after. Our certificate and photo report give you clear evidence, ready to show anyone who asks. In Hadley, as across London, ductwork often passes through shared risers and other people’s space.
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 work begins, so you know where you stand.
Why us?
- Work around your opening hours, with 24/7 emergency cover
- BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
- In business since 2009
- Every visit written up, with pictures
Read what affects the cost or our accreditations and certificates.
Aftercare tips
Here’s the after-treatment advice, short and simple:
- Clear leaves and litter away from the intake
- Watch for drips or damp patches near the plant
- Check the drain tray is emptying during routine visits
- Keep inspection doors on the unit in good order
If the ductwork hasn’t been cleaned, consider it next. Cleaning the unit and ducts together gives the best result, and we can quote for both.
Keep the area around the intake clear. Anything around the intake is likely to be drawn in.
Nearby places to Hadley
More services for Hadley
How the visit works
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 from a few hours for a compact unit to a day or more for a large one. Many London buildings have a managing agent, a security desk or a permit-to-work system, so tell us who to contact in Hadley.
- We start with a survey of the unit and a fixed quote for the work.
- The unit is shut down with your site team and the area protected.
- We clean or change the filters as agreed, then clean the coils, fan and internal panels.
- Standing water and slime come out of the tray and the drain is checked.
- You get a TR19® certificate and a photo report.
How to prepare
- Arrange a key holder or contact on site
- Let us know how we reach the system, including roofs, risers and plant rooms
- Make sure equipment near the work can be switched off and left to cool
How to get a quote
Quotes are quick. Send a few details and photos, and we normally reply with a fixed quote within one working day. If we need to see the system first, we book a survey around your hours.
Read more
What a clean won’t put right
Not every problem is solved by AHU cleaning, and we will tell you before any work starts. It doesn’t solve:
- Damaged coils beyond cleaning
- The supply and extract ducts, quoted separately
- A system that’s undersized for the building
Not sure which it is? You can ring 0345 646 2711 or send us an email and we will tell you honestly.
Parts of the system we cover
- Filter sections
- Supply and extract fans
- Heating and cooling coils
- Internal panels
- Dampers and louvres
- Drain trays
How the job changes from site to site
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.
Filters
Clogged filters reduce airflow, and dirt can get round the edges. We clean the frames and rails so the filters sit tight.