Kent · Air handling unit cleaning
Air handling unit cleaning in Platt, Kent
One call covers air handling unit cleaning in Platt: survey, fixed quote, work and sign-off. CHAS and SafeContractor accredited, ISO 9001 and fully insured.
- Condensate trays that won’t empty
- Dirty coils holding back the airflow
- Stale or musty smells from the ventilation
Common questions in Platt
Will you come out to Platt?
Yes, Platt is part of our area, however small the site. Let us know about access, parking and anything unusual about getting there when you book.
Can you come to Platt after we close?
Yes, evening, overnight and weekend work is normal for us. That way a site in Platt doesn’t have to lose a day’s trading. Tell us your opening hours when you ask for a quote.
How long does it take to clean an air handling unit?
Cleaning takes one overnight shift for many single units, with bigger plant phased. Large plant can be split over several shifts, so ring 0345 646 2711, or send details by email to talk it through.
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.
Do you offer maintenance contracts?
Yes, of course. Tell us what you have and how it’s used, and we will suggest a schedule and quote for it.
How far ahead should we book?
Book as early as you can for planned work, particularly if your next visit is nearly due. For emergencies, we take calls 24/7.
Which parts of an air handling unit do you clean?
The main parts are the filters, coils, drain tray, fan and inside of the casing. We confirm the scope after looking at the unit.
Where does the waste go?
We contain it and take it with us. We collect grease, debris and waste water as we go, so it doesn’t spread.
AHU cleaning for kitchens and businesses in Platt
Units vary a lot in size, age and layout, whether it’s a compact unit in a ceiling void or a big unit on the roof. Every job starts with a survey, from photos or on site, followed by a fixed quote before any cleaning starts. If you have drain trays holding standing water and rooms that smell stuffy when the system runs, we can help, from filter sections, dampers and louvres and heating and cooling coils onwards.
Somewhere as small as Platt, ducted ventilation is usually limited to a school, a care home, a surgery or a converted business building, wherever there is one, but where it’s fitted, it needs the same inspection and cleaning as anywhere.
The sign-off is always in writing: a written report, dated and illustrated with pictures, plus a certificate through the BESCA Vent Hygiene Elite portal when the work is a TR19® Grease clean. Any parts we couldn’t reach are recorded on it too.
- Place
- Platt (TN15)
- Wider area
- Kent
- Records
- Written report with photos
- Quotes
- A fixed quote up front
- Working hours
- When your site is closed, plus a 24/7 line
- Telephone
- 0345 646 2711
- Page updated
- 30 October 2026
How it works
Before we leave, we walk the area with whoever is on site. Anything we couldn’t reach or that needs attention is pointed out there and then, and the same goes into the written report. All told, the work takes one overnight shift for many single units, with bigger plant phased. A few photos of the system help us make the most of a visit to a place like Platt.
- First the unit is surveyed, from pictures or a visit, and the scope agreed.
- We arrange the shutdown with your staff and sheet the area.
- Filters, coils, fan section and casing are cleaned in turn.
- Drain trays are cleared and cleaned and the outlet checked.
- We close up the unit and send the certificate and before and after pictures.
Getting ready for the visit
- Move anything stored near the system
- Allow time for equipment near the work to be turned off and cool down
- Mention any sign-in, permit or induction we need
Getting a quote
For a fixed quote, call us on 0345 646 2711 or send us an email and tell us the type of site, your opening hours and roughly what the system looks like. A few photos and your last certificate or report help a lot. You will usually have a quote within one working day.
Read more
Platt buildings and their air
Food Standards Agency data includes about 9 schools, colleges and universities and about 4 care, childcare and hospital premises in Platt and the streets around it, up to about 1.5 miles out. Busy, occupied buildings like these are where clean supply air matters most. About 23 miles out from central London, Platt is part of the South East area we work across. Evening, overnight and weekend visits are all possible. The nearest hospital to Platt is Sevenoaks Hospital, about 5.7 miles west. Healthcare buildings depend on clean supply and extract ventilation, and the same applies to surgeries, clinics and care homes.
School buildings such as Platt Church of England Voluntary Aided Primary School are usually done in the holidays, so classrooms are not disturbed. For workplaces around Borough Green & Wrotham station with mechanical ventilation, cleaning can be done in the evening or at weekends.
Platt is about 6 miles east of Sevenoaks, in Kent. Anywhere in TN15, we cover AHU cleaning for commercial sites. Platt is one of 922 places in Kent where we work for commercial clients. There’s also a page for Maidstone, roughly 9 miles from Platt.
We work across the TN15 postcode area for AHU cleaning and the roads nearby. You will find streets such as St Mary's Close, Grange Road and Platt Common, all of which we cover for AHU cleaning. We also cover Comp (1 mile south-east), Borough Green (1 mile west), Crouch (1 mile south-west), Wrotham Heath (1 mile north-east) and Basted (1 mile south-west). Within a short drive, we also cover Maidstone (9 miles east), Dartford (12 miles north-west), Sevenoaks (6 miles west), Royal Tunbridge Wells (11 miles south), Gravesend (10 miles north) and Tonbridge (7 miles south).
Local landmarks in Platt
Typical jobs here are in premises near Wrotham School, The Blue Anchor pub and Wrotham School and the streets around them. Platt’s nearest station is Borough Green & Wrotham station, roughly 0.9 miles west of the centre. Other landmarks nearby include Ightham Court (1.8 miles west) and Beechin Wood Archery Museum (under half a mile south-east).
What the work involves, part by part
Rooftop and plant room units
Smaller units in ceiling voids are part of the work as well. The space underneath is protected with sheeting first.
Filters
Filter condition tells you a lot about the rest of the unit. They’re photographed before and after for your records.
What affects the quote in Platt
The diagnosis comes before the price. We look at:
- Parking and loading at the site
- Whether we need access equipment or extra panels
- Whether it’s a one-off visit or part of a schedule
- The condition of the system
Working hours, access and the scale of the site all affect the cost. Each of those is built into the quote, and the price is fixed before any work starts.
Helping us quote
What to send for a quote:
- A few general shots of the system
- Detail shots of panels, filters and grilles
- The times we could work without disrupting the site
- How we’d reach plant on a roof or in a plant room
To help us quote: where the site is, what it is and its opening hours, a few pictures and the last certificate or report, if there is one. Once you have those, phone us on 0345 646 2711, or send details by email.
Why deal with it now?
If people in a building in Platt complain about stuffy or smelly air, the AHU is worth looking at. Cleaning it deals with the cause rather than the symptom. With notice, the visit to Platt can be fitted around your bookings and events.
We do not list prices on the website, because the cost depends on the site in front of us. Call for a fixed quote, and we’ll talk you through it.
Why choose Duct Doctor in Platt
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
- Every visit written up, with pictures
- We diagnose before we treat
- One contact for all your sites in London and the South East
Common problems we fix in Platt
Dirt in an AHU matters in two ways: the unit supplies the air people breathe, and a dirty unit has to work harder. For the people using the building every day, that is the air they breathe for hours on end.
Most sites get in touch when they notice one of these:
- Rooms that smell stuffy when the system runs
- Plant that has been serviced but not cleaned
- Fan sections that haven’t been cleaned in years
- Dust-coated heating and cooling coils
Sevenoaks Hospital, about 5.7 miles west, is the nearest hospital to Platt, and healthcare sites of every size need their supply air kept clean.
Questions to ask before you book
- What hours they’ll be on site
- Whether VAT is included
- What insurance they carry
- How they set the interval to the next visit
Between visits
Here’s the after-treatment advice, in brief:
- Plan the next inspection before the last report gets filed away
- Watch for drips or damp patches near the plant
- Make sure condensate is draining away
- Report musty smells from the vents right away
Keep filter changes on schedule between cleans, because good filters protect everything downstream. Log every change so it’s easy to see when the next is due.
Do not let leaves, litter or stored materials build up near the fresh air intake. Anything around the intake is likely to be drawn in.
What your team can do, and what needs us
Your own staff can handle the daily basics: wiping canopies, washing grease filters and recording it in a log. What they can’t safely do is clean inside the ductwork, the fan or the risers, and that is where we come in.
Good housekeeping makes our visits easier, not unnecessary. Regular in-house cleaning slows the build-up, but the parts you cannot see still need a specialist at the right interval.