Surrey · Air handling unit cleaning
Strood Green AHU cleaning
For cleaning of air handling units, including filters, coils, drain trays, fans and internal surfaces in Strood Green, one call is all it takes, from survey to sign-off. Fully insured, with CHAS, SafeContractor and ISO 9001.
- Dust-coated heating and cooling coils
- Blocked condensate drains and slimy trays
- Plant that needs cleaning after a refit
AHU cleaning in Strood Green
We clean air handling units for buildings in Strood Green and across Surrey, working to TR19® Air, in buildings such as offices, schools, healthcare sites and shops. The work is timed around when the system can be switched off, including evenings, nights and weekends. We’re often asked to deal with air handling units with blocked filters and units needing a clean before a new tenant or handover, across supply and extract fans, dampers and louvres and filter sections.
In rural areas, ventilation units are often in roof voids or outbuildings, where filters and drain trays get forgotten.
Good records are part of the job. Each visit is written up with photos, covering the work done, any areas we couldn’t access and a recommended next date. File it in your maintenance log so it’s to hand when an insurer or inspector asks.
- Location
- Strood Green (RH3)
- Wider area
- Surrey
- Reporting
- Written report with pictures
- Quote
- Fixed quote, normally within a working day
- Hours
- When your site is closed, plus a 24/7 line
- Call
- 0345 646 2711
- Updated
- 30 October 2026

Leave it or put it right?
Tenants, auditors and owners may want proof that the air handling plant is kept clean. A TR19® certificate and photo report give you that, ready to show anyone who asks. A planned visit to Strood Green is easier to arrange than an emergency callout.
When the work has to happen, how we reach it and how big the site is all affect the cost. Each of those is built into the quote, and the price is fixed before work begins.
Why Strood Green businesses choose us
- A single point of contact for sites across the South East and London
- Survey first, then a fixed quote
- Fixed quotes from a survey or pictures
- We are fully insured
See our cost guide and our accreditations.
Towns and villages near Strood Green
Other services in Strood Green
Your questions about AHU cleaning in Strood Green
Can you come to Strood Green after we close?
Yes, out-of-hours work is a big part of what we do. The work in Strood Green can fit around your hours. Just call 0345 646 2711, or send details by email with your opening times and we’ll plan around them.
Do you cover smaller places like Strood Green?
Yes. Villages and rural sites across the South East are part of our work, Strood Green included. Just mention lanes, gates or anything else about the site when you book.
Do you look at the system first?
Yes, every time. We diagnose before we treat: the survey tells us what the system needs and how to reach it, and the quote is based on that.
Are you insured?
Yes. We carry full insurance and have been trading since 2009.
What information do you need?
A short description and a few photos plus the address and your hours. If we need more, we’ll ask.
How do you keep the site clean during the work?
We cover floors and nearby surfaces with sheeting before work begins, and anything we remove is contained. Before we leave, we tidy up and clean down.
Can you clean the ducts connected to the AHU?
Yes. Ventilation ductwork cleaning to TR19® Air is part of what we do. It’s often worth doing both at once, and we can quote for both.
How often do AHUs need cleaning?
Inspection under TR19® Air decides it. Units in heavy use or in sensitive buildings may need attention more often.
Managing agents and facilities teams in Strood Green
Where a tenant occupies the premises but the landlord owns the building, it’s worth checking the lease for who maintains the systems. We are happy to deal with either side and send the paperwork to whoever needs it.
Keeping records across a portfolio is half the battle. Every visit ends with a dated report and photos, ready to show insurers, fire officers or EHOs.
The process
On the day, we arrive at the time agreed with you, often in the evening, overnight or at the weekend so the site keeps working. Anything that needs to be off for the work is switched off and left to cool first, and the area around the work is covered and protected. On site, it takes a single shift for a typical unit, longer for large or heavily soiled ones. If you can send photos, we can arrive in Strood Green knowing what to expect.
- The survey covers the unit, its access and how it can be shut down.
- The area is protected and the unit made safe.
- Dirt and debris are removed from each section.
- Coils and trays are cleaned and the condensate drain cleared.
- The unit is closed up and handed back, with a report to follow.
Preparing for the visit
- Tell us the best time to work, such as after service or at a weekend
- Mention any locked doors, roof access or ceiling voids
- Let us know about parking and loading
Get a fixed quote
To get a fixed quote, give us a ring on 0345 646 2711 or send us an email with the site type, your trading hours and a short description of the system. Photos and the last report, if you have one, make the quote quicker. We normally come back within one working day.
Read more
AHU cleaning in Strood Green: local notes
We cover Strood Green, about 21 miles from central London, as part of our work across London and the South East. The visit is fixed around your opening hours, not ours. The nearest hospital to Strood Green is Headley Court, about 4.9 miles north. Healthcare ventilation is a good example of why supply ducts need inspecting: the air goes straight to patients.
Healthcare ventilation, from large hospitals like Headley Court (about 4.9 miles north) to small clinics, depends on clean filters, coils and ducts. If you manage a school such as North Downs Primary School, ventilation cleaning is best booked for the holidays.
Strood Green is about 2 miles east of Dorking, in Surrey. Sites in Strood Green get the same service as everywhere we cover: a survey first, a fixed quote, work timed around your hours and a report with pictures. Our area takes in 395 places across Surrey, from busy centres to quieter spots. Guildford is in our area too, around 13 miles away.
Our technicians cover all of the RH3 postcode area for AHU cleaning and the streets around it. Whether your site is on Tanners Meadow, Brew House Road and Middle Street or a nearby road, we can help. Neighbouring places we cover for AHU cleaning include Bunce Common (1 mile south), Brockham (1 mile north), Dawesgreen (1 mile south-east), Betchworth (1 mile north-east) and Leigh (2 miles south-east). Within a short drive, we also cover Guildford (13 miles west), Woking (14 miles north-west), Epsom (8 miles north), Horley (6 miles south-east), Redhill (5 miles east) and Ewell (9 miles north).
Local landmarks in Strood Green
Around Strood Green, our work takes us to kitchens and buildings near Inn on The Green, Deepdene Terrace and The Ashcombe School, among other places. The closest station to Strood Green is Betchworth station, roughly 1.9 miles north of the centre. Well-known places in the area include Headley Court (4.9 miles north) and Reigate Priory Museum (3.5 miles east). The countryside around Strood Green includes Reigate Heath and Box Hill.
How we price AHU cleaning
Your quote is based on your site. We take into account:
- Whether several sites go on one quote
- Parking and loading at the site
- Site rules, permits and inductions
- One-off work versus a regular cycle
You won’t find a price list here, because the cost depends on the site in front of us. Call for a fixed quote, and we’ll talk you through it.
What we need to know
Photos let us diagnose from a distance. The most useful are:
- Close-ups of filters, grilles, hatches or access panels
- The postcode and the type of business
- The times we could work without disrupting the site
- The paperwork from the last visit, if you have it
Some systems can be priced from photos; others need a survey. Big or complicated sites, and systems that are hard to see in photos, get a survey first. Either way, the quote is fixed before any work is booked.
When it’s something else
AHU cleaning can’t fix everything, and we’d rather say so up front. It won’t put right:
- Building management system faults
- Dirty ducts beyond the unit itself
- A system that is undersized for the building
If you are not sure, just give us a ring on 0345 646 2711 or use the quote form and we will give you a straight answer before you book.
What we work on in Strood Green
- Filter sections
- Dampers and louvres
- Heating and cooling coils
- Internal panels
- Supply and extract fans
- Drain trays
What the work involves, part by part
Internal casing and panels
Dust settles on every internal surface of the unit. Each section is cleaned from the intake through to the outlet.
Filters
Filter condition tells you a lot about the rest of the unit. We photograph them for the report.
What staff can safely do
Staff cleaning and specialist work aren’t the same thing. Wiping filters daily and washing them weekly keeps the visible parts in order, but they do not reach the grease that builds up further in. That part needs specialist access and equipment.
If your staff spot something between visits, like drips, unusual noise, smells or damaged filters, they should report it rather than try to fix it. We can diagnose it and quote.