Greater London · Air handling unit cleaning
Petersham AHU cleaning
Professional AHU cleaning in and around Petersham, timed so the site keeps working and finished with a written report and pictures.
- Fan sections that haven’t been cleaned in years
- Stale or musty smells from the ventilation
- Filters that are clogged or overdue
About our AHU cleaning in Petersham
An AHU clean is a thorough examination and treatment of the unit. We look inside each section, clean what we find and record it with photos, so the report shows exactly what was done. Typical jobs include dirty coils holding back the airflow and units that have only ever had filter changes, on supply and extract fans, drain trays and dampers and louvres.
Many London buildings have had their ventilation extended and altered through several fit-outs, leaving sections that are hard to reach and seldom cleaned. In Petersham, as elsewhere, cleaning starts with an inspection of what’s there.
Accreditations are easy to claim and worth checking. Ours are BESCA Vent Hygiene Elite membership, cleaning to BESA TR19® Grease, plus CHAS, SafeContractor and ISO 9001, and we are fully insured.
- Location
- Petersham (TW10, TW1)
- Region
- Greater London
- Records
- Written report with pictures
- Quotes
- A fixed price before work begins
- When we work
- Out of hours as standard, 24/7 emergency line
- Telephone
- 0345 646 2711
- Last updated
- 30 October 2026
Petersham buildings and their air
Food Standards Agency data includes about 13 schools, colleges and universities, about 17 care, childcare and hospital premises and about 5 hotels and guest houses across Petersham and its immediate surroundings (about a mile and a half). Busy, occupied buildings like these are where clean supply air matters most. Petersham’s nearest hospital, South Middlesex Hospital, is about 1.7 miles north-west. Healthcare ventilation is a good example of why supply ducts need inspecting: the air goes straight to patients. Ventilation cleaning in London buildings is typically planned for evenings or weekends.
For schools like The Russell Primary School, the holidays are the usual time to inspect and clean ventilation. Healthcare buildings such as South Middlesex Hospital, about 1.7 miles north-west, depend on their ventilation; if you manage a surgery, clinic or care home near Petersham, yours matters too.
Petersham is about 1 mile south of Richmond, in Greater London. If you need AHU cleaning in Petersham, it’s easy to get a fixed quote: please ring 0345 646 2711, or email photos. Our area covers London and the South East, including Petersham. 764 places in Greater London are on our list, from busy centres to quieter spots. There’s also a page for London, about 10 miles away.
Every address in TW10 and TW1 is within our area for AHU cleaning, from busy streets to back roads. AHU cleaning is available to premises on Sandy Lane, River Lane and Arosa Road and the roads around them. We also cover the places around Petersham: Richmond (1 mile north), Ham (1 mile south), Eel Pie Island (1 mile west), St Margarets (1 mile north-west) and Strawberry Hill (1 mile south-west). We also work in nearby towns such as London (10 miles 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).
What’s near Petersham
Around Petersham, our work takes us to kitchens and buildings near St Catherine's School, Grey Court School and Marble Hill Park. For rail, the closest station is St Margarets (London) station, roughly 0.9 miles north-west. Nearby you will also find Bentall Centre (2.4 miles south) and Eel Pie Island Museum (1 mile west). Open spaces near Petersham include Kew Gardens Lake and Richmond Hill.
Nearby places to Petersham
Other services in Petersham
Different parts, different methods
Rooftop and plant room units
Ceiling-mounted and compact units are cleaned too. The space underneath is protected with sheeting first.
Fans and fan sections
Before the fan is touched, the unit is shut down and made safe in agreement with the site.
When something else is needed
Some problems need a different service or another trade:
- The supply and extract ducts, quoted separately
- A system that is undersized for the building
- Damaged coils beyond cleaning
Not sure which it is? You can call us on 0345 646 2711 or use the quote form and we will tell you honestly.
Where we work
- Dampers and louvres
- Filter sections
- Drain trays
- Supply and extract fans
- Heating and cooling coils
- Internal panels
For landlords and multi-site operators
Where a tenant occupies the premises but the landlord owns the building, it’s worth checking the lease for who maintains the systems. We’re happy to deal with either side and send the paperwork to whoever needs it.
Multi-site operators often want one contractor and one number. We cover South East England and London, so visits at different addresses can be planned together and kept on a regular cycle.
Staff cleaning versus specialist work
When your team notices a problem between visits, such as dripping grease, a noisy fan, a smell or a filter that won’t come clean, they should report it rather than try to fix it. We can diagnose it and quote.
For ventilation and air handling systems, in-house care is mostly about checks: keeping grilles clear, noting unusual noise or smells and logging filter changes. Cleaning inside ducts and units is specialist work.
What we’re called out for in Petersham
Mechanical servicing keeps a unit running, but it does not always include cleaning the inside. So a unit can be well maintained and still dirty.
Any of these means the system needs a check-up:
- Plant that has been serviced but not cleaned
- Dust-coated heating and cooling coils
- Fan sections that haven’t been cleaned in years
- Air handling units due a clean after building work
If you manage shops or offices close to St Margarets (London) station, a TR19® Air inspection shows whether the ductwork needs cleaning.
Before booking anyone
- Whether they recommend a next date
- When they can work, and whether that is outside your opening hours
- Whether a written report and pictures are included
- Proof of insurance
Petersham: your questions answered
Can the work in Petersham be done at night or at weekends?
Yes, we can come after you close and finish before you open. It means the site in Petersham keeps running as normal. Your opening times are the first thing we ask for.
What do you need to know about parking in Petersham?
Tell us where a van can stop near your site in Petersham, and about any building rules on loading. Working overnight, as we often do in London, typically makes it simpler.
Do you work with multi-site operators?
Yes. Tell us the addresses and what each needs and we’ll quote them together.
What does AHU cleaning cost?
We do not publish prices, because the cost depends on the job: the size of the system, its condition, access and when we can work. We fix the price before any work starts.
Do you look at the system first?
Yes, every time. We diagnose before we treat: the survey shows what needs doing and what access we need and the fixed quote is built on it.
What about areas you can’t get to?
They’re marked on the report. In ductwork, new access panels are often the answer, which we can install.
Will you repair the fan or motor?
Motors, belts, controls and coils that need repair are a job for your maintenance contractor. We clean the unit and report anything we see that needs attention.
Are you accredited?
BESCA Vent Hygiene Elite membership, cleaning to BESA TR19® Grease, plus CHAS, SafeContractor and ISO 9001. We’re fully insured and have been trading since 2009.
Leave it or put it right?
When the unit is clean, less dirt reaches the ducts, so the whole system stays cleaner for longer. It also means the next inspection has less to find. For a site in Petersham, fitting the work in overnight now is far easier than closing at short notice later.
You won’t find a price list here, because the cost depends on the site in front of us. For a fixed quote, phone us on 0345 646 2711 or email us, and we’ll explain what it covers.
Why choose Duct Doctor in Petersham
- Accredited under CHAS and SafeContractor, with ISO 9001
- BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
- Out-of-hours work and a 24/7 emergency line
- Photo reports with every job
Take a look at how cleaning jobs are priced or our accreditations and certificates.
The process
Protection comes first: floors, worktops and anything near the work are covered. After that, the system is made safe and the work begins. It takes from a few hours for a compact unit to a day or more for a large one, and we clear up before we go. Managed blocks in London often need contractors booked in ahead, and we’re happy to deal with the agent directly for a site in Petersham.
- 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, coils, fan section and casing are cleaned in turn.
- Drain trays are cleared and cleaned and the outlet checked.
- You get a TR19® certificate and a photo report.
Before we arrive
- Mention any sign-in, permit or induction we need
- Mention any locked doors, roof access or ceiling voids
- Mention any parking or loading restrictions
Ask for a quote
Quoting starts with a diagnosis, from your pictures and details or, where that isn’t enough, a survey on site. Then we send a fixed price so you know the cost before work begins.