Greater London · Air handling unit cleaning
Air handling unit cleaning in Coombe, Greater London
Our technicians work in Coombe on cleaning of air handling units, including filters, coils, drain trays, fans and internal surfaces. Fixed quotes, work around your opening hours and photo reports on every job.
- Leaves and litter drawn into the unit
- Units needing a clean before a new tenant or handover
- Plant that has been serviced but not cleaned
AHU cleaning in Coombe
An air handling unit is the heart of a building’s ventilation: air is pulled in, filtered, conditioned and sent out through the ducts. Anything that collects inside the unit can end up in the rooms it serves, so cleaning the unit matters as much as cleaning the ducts. Common call-outs are for condensate trays that won’t empty and plant that needs cleaning after a refit, on filter sections, dampers and louvres and supply and extract fans.
In London, plant rooms are often in basements or on roofs reached through occupied floors, so work in Coombe is often done in the evening or at weekends. Loading and parking are planned with the building first.
Nothing is signed off by word of mouth: a dated report with photos of the work, and for TR19® Grease cleans, a certificate issued through the BESCA VHE portal. It shows what was done and what, if anything, couldn’t be reached.
- Where
- Coombe (KT2, KT3, SW20)
- Wider area
- Greater London
- Records
- Photo report after every visit
- Price
- A fixed quote up front
- Hours
- When your site is closed, plus a 24/7 line
- Telephone
- 0345 646 2711
- Page updated
- 30 October 2026
Do you need AHU cleaning in Coombe?
Planned maintenance often covers belts, motors and filters but not cleaning. So a unit can be well maintained and still dirty.
The symptoms we are asked about most include:
- Blocked condensate drains and slimy trays
- Plant that needs cleaning after a refit
- Filters that are clogged or overdue
- Dirty coils holding back the airflow
If you run a surgery, dental practice or care home near Coombe, clean ventilation matters as much to you as to a hospital like Kingston Hospital (about 0.8 miles west).
Before booking anyone
- Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor
- Whether a written report and photos are included
- What insurance they carry
- Whether they recommend a next date
How the visit works
Your staff don’t need to do much on the day. Someone lets us in at the agreed time and shows us where everything is, and we take it from there. Afterwards, the area is left tidy and the written report follows. Before any visit in Coombe, we agree where the van can stop and how equipment reaches the system.
- First we agree when the unit can be switched off, including evenings or weekends.
- Before cleaning, each section is photographed.
- Filters, coils and internal surfaces are cleaned from intake to discharge.
- The fan and drain tray are cleaned and the drain checked.
- After pictures are taken and the certificate issued.
Preparing for the visit
- Tell us the best time to work, such as after service or at a weekend
- Let us know about permits to work or site inductions
- Allow time for equipment near the work to be turned off and cool down
Getting a quote
Want a quote for AHU cleaning? Please phone us on 0345 646 2711 or send us an email with a few details about the site. We’ll talk you through the work and send you a fixed quote before you commit to anything.
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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.
Day-to-day cleaning is something your team can do: wiping canopies, washing grease filters and recording it in a log. Inside the ducts, risers and fan is specialist work, which is where we come in.
Aftercare tips
Simple habits between visits make a real difference. We recommend:
- Report water on the plant room floor
- File each AHU report in the maintenance log
- Book the next check in line with the report
- Check the drain tray is emptying during routine visits
Photos in the report cover the filters, coils, drain tray, fan and casing, and note any part we couldn’t get to. Any defects we noticed, like a leaking tray or damaged lining, are listed.
Keep the unit’s doors and panels in working order. If a section is hard to get into, it tends not to get checked.
Different parts, different methods
Internal casing and panels
We open each section through its doors and close them securely when we are done before the unit is handed back.
Filters
Every AHU relies on its filters to catch dust before it reaches the coils. We check them, and clean or change them as agreed in the quote, and the housing around them is cleaned too.
Landlords, agents and facilities managers
We work for landlords, managing agents and facilities managers as well as the people running the site. Shared systems, like a riser serving several units, need a clear agreement on who books the work, and we can quote for the whole system.
Whether it’s one building or many, the standard is the same: a survey first, a fixed quote, the work timed around the site and a report with photos.
Towns and villages near Coombe
More services for Coombe
Coombe questions
Do you clean school ventilation in Coombe in the holidays?
Yes, out-of-term visits are normal for schools. Food Standards Agency records list about 22 schools, colleges and universities with registered kitchens within about a mile and a half of Coombe. Tell us your holiday dates and we’ll book the visit for when the site is empty.
Do you work at weekends in Coombe?
Yes. We work evenings, overnight and at weekends. That way a site in Coombe doesn’t have to lose a day’s trading. Your opening times are the first thing we ask for.
Do you cover Coombe?
Yes. Our area takes in London and the counties of South East England, and that includes Coombe.
How long does an AHU clean take?
Typically the clean takes from a few hours for a compact unit to a day or more for a large one. We plan the shutdown around that, including evenings or weekends.
Is there a report after cleaning?
Yes. You get a TR19® certificate plus before and after pictures. They’re worth keeping with the plant records.
Can we book visits on a schedule?
Yes, of course. Send details of the systems and how they’re used and we will propose a schedule with a fixed quote.
What’s included in an AHU clean?
Every section that collects dirt: filters, coils, tray, fan and panels. The survey confirms what’s in your unit before we quote.
Do you need to switch the unit off?
Yes. The unit has to be shut down and isolated before it’s opened. The shutdown is planned with whoever runs the building.
What affects the quote in Coombe
You will get a fixed price before work begins. It’s based on:
- Whether it’s a one-off visit or part of a schedule
- The size of the system
- When the work can happen, such as evenings, overnight or weekends
- Site rules, permits and inductions
Whatever the type of site, the quote works the same way: how much there is, how we reach it, what state it’s in and when we can work. Call for a fixed quote and we’ll go through it with you.
What we need to know
There’s no need for technical detail. Just send:
- When the site is open and when it’s quiet
- Any previous report or certificate
- Any symptoms, from odd noises to smells or leaks
- Photos showing the whole system and its surroundings
If you need AHU cleaning in Coombe, give us a ring on 0345 646 2711 or send us an email. Let us know the site type and the opening hours, and send pictures or your last report if you can. A fixed quote typically follows within one working day.
AHU cleaning around Coombe
Food Standards Agency data includes about 22 schools, colleges and universities and about 35 hospitals, care homes and childcare premises within roughly a mile and a half of the centre of Coombe. Many buildings of this kind have supply and extract ductwork that gathers dust and needs inspecting. The nearest hospital to Coombe is Kingston Hospital, about 0.8 miles west. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale. Getting kit to a London plant room normally means lifts, stairs and an agreed loading slot.
Classrooms and halls at schools such as Coombe Hill Junior School are easiest to work in when pupils are away.
Coombe is about 1 mile north of New Malden, in Greater London. Every kind of commercial site in Coombe, AHU cleaning is something we can help with. Visits can be booked for evenings, overnight or weekends so trading isn’t interrupted. Our Greater London coverage runs to 764 places, Coombe among them. There’s also a page for London, roughly 9 miles from Coombe.
AHU cleaning in KT2, KT3 and SW20 follows the same survey, fixed quote and written report as everywhere else we cover. We cover sites on West Road, Crown Road and Traps Lane and nearby roads. We also cover the places around Coombe: Motspur Park (1 mile south-east), Coombe Hill (1 mile north), Kingston Vale (1 mile north-east), Norbiton (1 mile south-west) and New Malden (1 mile south). Within a short drive, we also cover London (9 miles north-east), City of Westminster (8 miles north-east), Marylebone (8 miles north-east), Kensington (6 miles north-east), St Pancras (10 miles north-east) and Shoreditch (11 miles north-east).
Landmarks near Coombe
Typical jobs here are in premises near Canbury School, Coombe Girls' School and The Royal Oak Public House, among other places. For rail, the closest station is Norbiton station, roughly 1 mile south-west of the centre. Other landmarks nearby include Bentall Centre (1.8 miles west) and White Lodge Museum (1.8 miles north). Not far away are Kew Gardens Lake and Kingston Hill Road area.