Greater London · Air handling unit cleaning
Air handling unit cleaning in Northfields, Greater London
Professional AHU cleaning in and around Northfields, timed so the site keeps working and signed off in writing with photos.
- Units that have only ever had filter changes
- Fan sections that haven’t been cleaned in years
- Filters that are clogged or overdue
AHU cleaning in Northfields
A cooling coil drips condensate into a tray that should drain away. If the outlet blocks, standing water and slime build up, right in the path of the air going into the building. Cleaning and clearing it is a key part of the job. The work covers drain trays, dampers and louvres and heating and cooling coils, and common reasons people get in touch are debris and leaves in the fresh air intake and air handling units never cleaned inside.
In London, plant rooms are often in basements or on roofs reached through occupied floors, so work in Northfields is often done in the evening or at weekends. Loading and parking are planned with the building first.
Insurers, fire officers and environmental health officers all look at records. That is why every job is written up in a report with photos, and grease extract cleans come with a TR19® certificate issued through the BESCA Vent Hygiene Elite portal.
- Place
- Northfields (W5, W13, TW8)
- Wider area
- Greater London
- Reporting
- Report and pictures after the visit
- Price
- Fixed quote, typically within a working day
- Working hours
- Nights, weekends or holidays to suit you
- Call
- 0345 646 2711
- Page updated
- 30 October 2026
What we are called out for in Northfields
An overdue filter loads up with dirt, cutting airflow and sometimes letting dirty air bypass them altogether. Then the rest of the unit takes the load.
It’s time to book a visit if you see:
- Dust built up on fan impellers
- Leaves and litter drawn into the unit
- Filters that are clogged or overdue
- Rooms that smell stuffy when the system runs
Healthcare ventilation, from large hospitals like Ealing Hospital (about 1.4 miles west) to small clinics, depends on clean filters, coils and ducts.
Before you book anyone
- Whether the whole system is included, or only the parts that are easy to reach
- What records you’ll receive afterwards
- Whether the quote shows VAT
- Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor
Places near Northfields
Also in Northfields
Why deal with it now?
Cleaning a unit while it only has light dust is quick. Years of build-up make the job longer and harder, especially where there’s been moisture. In a London building, a problem in a duct, damper or fan rarely stays in one unit.
What you pay reflects the actual work. That’s why every job is surveyed first, and why the quote is fixed before we start.
Why Northfields businesses choose us
- Every job surveyed first
- Full insurance on every job
- In business since 2009
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
Questions from Northfields
Can parking be tricky for a job in Northfields?
We plan it in advance, so let us know about loading bays, permits and access rules at the building. Working overnight, as we often do in London, normally makes it simpler.
Can you work in Northfields outside opening hours?
Yes, nights and weekends are routine for us. The work in Northfields can fit around your hours. Tell us your opening hours when you ask for a quote.
What accreditations do you have?
CHAS, SafeContractor, ISO 9001 and BESCA Vent Hygiene Elite membership, cleaning to BESA TR19® Grease. We’ve been trading since 2009 and we’re fully insured.
Do you need to switch the unit off?
Yes. The fan must be stopped and the unit isolated, so we plan it for a time that suits the building.
How much notice do you need?
For planned work, earlier is better, particularly if your next visit is nearly due. Emergencies are different, because our line is open 24/7.
What do you clean inside the unit?
The main parts are the filters, coils, drain tray, fan and inside of the casing. The survey confirms what’s in your unit before we quote.
How long does an AHU clean take?
Expect it to take one overnight shift for many single units, with bigger plant phased. Size, layout and how dirty it is decide the rest, and the quote will give you a clear idea.
Is a quote from photos possible?
Usually, yes. Send wide shots, close-ups of any access panels and anything that worries you, and a fixed quote usually follows within one working day. Some sites still need a visit, and we will say so.
What we do, step by step
Your staff don’t need to do much on the day. A contact on site lets us in at the agreed time and points us to the system, and we take it from there. Before we leave, the area is tidied and the paperwork follows. Many London buildings have a managing agent, a security desk or a permit-to-work system, so tell us who to contact in Northfields.
- First the unit is surveyed, from photos or a visit, and the scope agreed.
- 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.
- We clean out the drain tray and make sure it drains.
- You get a TR19® certificate and a photo report.
Before we arrive
- Move anything stored near the system
- Name a contact who can let us in at the agreed time
- Let us know how we reach the system, including roofs, risers and plant rooms
Ask for a quote
Quoting starts with a diagnosis, either from pictures and details you send or from a site visit. After that, you get a fixed price for the work, before any work starts.
Advice
When it’s something else
Before you book, it helps to know what’s not included:
- Faulty motors, drives or bearings
- Problems with the unit’s controls or sensors
- Damaged coils beyond cleaning
Not sure which it is? You can ring 0345 646 2711 or email us and we will tell you honestly before you book.
What we work on in Northfields
- Internal panels
- Dampers and louvres
- Filter sections
- Supply and extract fans
- Drain trays
- Heating and cooling coils
What staff can safely do
Away from the kitchen, the in-house job is mainly checking: clear grilles, a log of filter changes and reporting anything odd. The inside of ducts and units needs a specialist.
If your staff spot something between visits, like drips, unusual noise, smells or damaged filters, it’s best reported rather than tackled in-house. We’ll take a look and send you a fixed quote.
For landlords and multi-site operators
From a single site to a large estate, the standard is the same: diagnosis, a fixed price, work booked around your hours and a written report with pictures.
For anyone managing more than one site, we can plan visits across the whole estate and price them together. Each site gets its own report and photos, so each one has its own record.
Fixed quotes for AHU cleaning in Northfields
We quote each job individually. These are the things that affect it:
- The times the site is available
- The condition of the system
- Travel, parking and unloading
- How many systems or sites are involved
Every site is different, so each one gets its own fixed quote. Size, access, the condition of the system and when we can work all play a part.
What we need to know
When you call or email, it’s useful to have:
- The site address and the type of premises
- The times we could work without disrupting the site
- A few general shots of the system
- How we’d reach plant on a roof or in a plant room
To get a fixed quote, call 0345 646 2711 or drop us a line and tell us the type of site, your opening hours and roughly what the system looks like. Photos and the last report, if you have one, make the quote quicker. We normally come back within one working day.
AHU cleaning around Northfields
Going by the FSA’s register, there are about 53 schools, colleges and universities, about 81 hospitals, care homes and childcare premises and about 13 hotels, B&Bs and guest houses serving food within about 1.5 miles of central Northfields. Classrooms, bedrooms and care spaces are often served by ducted air, and that ductwork collects dust over time. In London, ventilation plant is often on the roof or below ground, so the work is typically done out of hours. Northfields’s nearest hospital, Ealing Hospital, is about 1.4 miles west. Healthcare buildings depend on clean supply and extract ventilation, and the same applies to surgeries, clinics and care homes.
For workplaces around Brentford station with mechanical ventilation, cleaning can be done in the evening or at weekends. Classrooms and halls at schools such as Mount Carmel Catholic Primary School are easiest to work in when pupils are away.
Northfields is about 1 mile south of Ealing, in Greater London. Whatever kind of site you run in Northfields, AHU cleaning is something we can help with. Visits can be booked for evenings, overnight or weekends so the site keeps running. 764 places in Greater London are on our list, large and small. We also work in London, about 9 miles from Northfields.
Every address in W5, W13 and TW8 is covered for AHU cleaning, from the main roads to the quietest streets. We cover sites on Burns Road, South Road and Elers Road and nearby roads. With the A3002 close by, Northfields is easy for our technicians to reach for AHU cleaning. If your site is just outside Northfields, we cover Brentford (1 mile south-east), Gillette Corner (1 mile south-west), Brentford End (1 mile south), Osterley (2 miles south-west) and Spring Grove (2 miles south-west). Larger places within reach include London (9 miles east), City of Westminster (7 miles east), Marylebone (7 miles east), Kensington (5 miles east), St Pancras (9 miles east) and Shoreditch (10 miles east).
Landmarks near Northfields
Typical jobs here are in premises near Ealing Fields High School, Great Ealing School and Ealing Park Tavern, among other places. You will also find Library for Iranian Studies (1.8 miles east) and Lammas Park (within half a mile north). The closest station to Northfields is Brentford station, about 0.8 miles south of the centre. A little further out are Gunnersbury Park House - Large Mansion (1.2 miles east) and Treaty Centre (3 miles south-west). Not far away are Middle Lake and Long Wood.