Kent · Air handling unit cleaning
Longfield Hill AHU cleaning
Our technicians work in Longfield Hill on AHU cleaning. Fixed quotes, work around your opening hours and photo reports as standard.
- Leaves and litter drawn into the unit
- Dust-coated heating and cooling coils
- Plant that needs cleaning after a refit
AHU cleaning in Longfield Hill: local notes
The FSA’s food hygiene register lists about 13 schools, colleges and universities and about 7 caring premises (care homes, nurseries and hospitals) with registered kitchens or food service within roughly a mile and a half of the centre of Longfield Hill. Many buildings of this kind have supply and extract ductwork that gathers dust and needs inspecting. Gravesham Community Hospital is the nearest hospital, about 4 miles north of Longfield Hill. Healthcare ventilation is a good example of why supply ducts need inspecting: the air goes straight to patients. Longfield Hill is about 20 miles from central London, well within the area we cover across London and the South East. A survey and a fixed quote come first, then the visit at a time that suits you.
If you manage a school such as Istead Rise Primary School, ventilation cleaning is best booked for the holidays.
Longfield Hill is about 3 miles south of Northfleet, in Kent. We provide AHU cleaning for commercial premises of every kind in Longfield Hill and the rest of Kent. Our Kent coverage runs to 922 places, and Longfield Hill is one of them. For sites nearby, see our Maidstone page, about 12 miles away.
Work in DA3 is surveyed, quoted and booked the same way as anywhere else. We cover sites on Main Road, Nurstead Lane and Ryecroft and the roads around them. Close by, we work in New Barn (1 mile north-west), Hartley (1 mile west), Nash Street (1 mile north-east), Meopham (1 mile south-east) and Longfield (1 mile north-west). Within a short drive, we also cover Maidstone (12 miles south-east), Dartford (6 miles north-west), Sevenoaks (10 miles south-west), Gravesend (4 miles north-east), Tonbridge (13 miles south) and Northfleet (3 miles north).
Local landmarks in Longfield Hill
We work in commercial kitchens and buildings around Rectory Meadow and Longfield Academy. For rail, the closest station is Meopham station, roughly 1 mile east. A little further out are Stone Castle (4.5 miles north-west) and Gravesham Community Hospital (4 miles north). Not far away are Sawyers Lake.
About our AHU cleaning in Longfield Hill
Where a building in Longfield Hill has had little more than filter changes, there may be dirt on the coils, fan and casing that nobody has looked at. A full clean deals with all of it. Typical jobs include plant that needs cleaning after a refit and fan sections that haven’t been cleaned in years, across filter sections, internal panels and heating and cooling coils.
Work in a small place like Longfield Hill starts with agreeing access and timings.
Each visit ends with a written report and pictures, 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
- Longfield Hill (DA3)
- Region
- Kent
- Records
- Photo report after every visit
- Quote
- A fixed quote up front
- Working hours
- Evenings, overnight and weekends; 24/7 emergencies
- Call
- 0345 646 2711
- Updated
- 30 October 2026
Fixed quotes for AHU cleaning in Longfield Hill
Sites vary more than people expect. What affects the quote:
- One-off work versus a regular cycle
- The times the site is available
- Site requirements such as sign-in and permits
- The condition of the system
We don’t list prices on the website, because each job is priced on what it involves. Call for a fixed quote, and we will explain what it covers.
What we need to know
We can often survey from pictures. The most useful are:
- Where the site is and what kind of site it is
- Anything you’ve noticed, such as smells, noise, drips or poor airflow
- Your opening hours and when the area is out of use
- Detail shots of panels, filters and grilles
Want a quote for AHU cleaning? Please phone us on 0345 646 2711 or use the quote form and tell us about the site. We will explain what we’d do and send a fixed quote before you commit to anything.
Questions from Longfield Hill
Can you work in Longfield Hill outside opening hours?
Yes, nights and weekends are routine for us. The site is handed back ready to open. Just phone us on 0345 646 2711 or email us with your opening times and we’ll plan around them.
Can you get to a site in Longfield Hill?
Yes, we work in villages as well as towns, and Longfield Hill is covered. A survey first, from photos or a visit, means we arrive with the right kit.
What does TR19 mean?
BESA’s ventilation hygiene specification, with two parts that matter most here: TR19® Grease for kitchen extract systems and TR19® Air for general ventilation. It is not legislation, but it’s the standard people check against.
Do you clean the ductwork as well?
Yes, supply and extract ducts, grilles and diffusers. We’ll tell you after the survey whether the ducts need it.
How much notice do you need?
Book as early as you can for planned work, particularly if your next visit is nearly due. Emergencies are different, because our line is open 24/7.
How long will the unit be out of action?
It takes one overnight shift for many single units, with bigger plant phased. The unit’s size and condition make the biggest difference, and we’ll confirm the time when we quote.
What do you need from me for a quote?
The site address, the type of premises and your opening hours, along with a few pictures and any previous report.
Can you set up regular visits?
Yes. Regular plans can run on 3, 6 or 12-monthly cycles, depending on what the system needs.
When to call us in Longfield Hill
Cooling coils create condensation, and that water has to go somewhere. A blocked outlet or a badly sloped tray leaves standing water, and slime and smells soon follow.
These are the problems we see most often:
- Stale or musty smells from the ventilation
- Dirty fans and fan housings
- Blocked condensate drains and slimy trays
- Coils clogged with dust and debris
If you run a surgery, dental practice or care home near Longfield Hill, clean ventilation matters as much to you as to a hospital like Gravesham Community Hospital (about 4 miles north).
Before you book anyone
- Whether the quote is based on a survey or pictures
- Exactly which parts of the system are covered
- Whether a written report and photos are included
- Which accreditations they hold, and whether you can check them
Looking after it afterwards
No system stays clean for ever, but care slows the build-up. Our tips:
- Report water on the plant room floor
- Clear leaves and litter away from the intake
- Report stiff or damaged access doors
- File each AHU report in the maintenance log
The ducts served by the unit may need attention too. Cleaning the unit and ducts together gives the best result, and we can survey both.
Keep the unit’s doors and panels in working order. Sections that are awkward to open are the ones that get skipped.
Part by part
Fans and fan sections
The fan section is cleaned with the unit switched off and isolated in agreement with the site.
Drain trays
Older trays can corrode and start leaking. We record their condition with pictures so repairs can be planned.
For landlords and multi-site operators
From a single site to a large estate, you get the same standard: diagnosis, a fixed price, work booked around your hours and a written report with pictures.
The Fire Safety Order 2005 puts the duty to manage fire risk on the responsible person, which may be the employer, owner, landlord, FM or managing agent. With shared responsibility, good records help everyone.
What your team can do, and what needs us
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.
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.
How it works
When we arrive, we check the system against the survey or the photos you sent. If anything is different, we talk it through with the person on site before carrying on. From there, it takes from a few hours for a compact unit to a day or more for a large one. Pictures of the system and its access let us plan the work in Longfield Hill before we set off.
- 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.
- Filters are dealt with as agreed, and the coils, fan and casing cleaned.
- We clean out the drain tray and make sure it drains.
- We close up the unit and send the certificate and before and after photos.
Preparing for the visit
- Allow time for equipment near the work to be turned off and cool down
- Have your last certificate or report to hand
- Move anything stored near the system
Ask for a quote
Photos are the quickest way to a quote: the system from a couple of angles, plus any access panels or hatches. Tell us what kind of site it is and when it’s open, and we can price many jobs without a visit.