Windsor and Maidenhead · Ductwork cleaning
Ductwork cleaning in Clewer, Windsor and Maidenhead
For ductwork cleaning in Clewer, one call is all it takes, from survey to sign-off. CHAS and SafeContractor accredited, ISO 9001 and fully insured.
- Grease leaking from duct joints
- Readings above 200 microns from a grease thickness test
- Years of grease along the duct floor
Do you need ductwork cleaning in Clewer?
A vertical riser can run up several floors. Grease clings to the walls and can run down to the base, where it can pool. Panels along the riser make proper cleaning possible.
What we are most often called out for:
- Grease seeping out of the duct seams
- Hardened, baked-on grease in long horizontal runs
- Sections of duct with no access panels
- A rancid smell from the extract duct
If you run a church or community hall kitchen, near Church of St Andrew or elsewhere in Clewer, its extract still collects grease from every lunch and event.
Before you book anyone
- Whether they recommend a next date
- What happens if part of the system cannot be accessed
- Whether VAT is included
- Which accreditations they hold, and whether you can check them
How we handle ductwork cleaning in Clewer
Between the canopy and the fan runs the ductwork, hidden above ceilings and inside walls. Every horizontal run and vertical riser collects grease along the way and a fire in the duct can spread through the building. We clean it from the inside, through access panels, to BESA TR19® Grease. The work covers attenuators, vertical risers and access panels, and the jobs we see most are a grease test showing the duct is overdue and a duct nobody has opened in years.
Around a smaller place like Clewer, kitchen extracts tend to belong to pubs, cafés, takeaways and school or care home kitchens. A kitchen that cooks fewer hours still builds up grease, so cleaning is planned around how much it cooks and what the readings show.
Duct Doctor has been trading since 2009, as a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. CHAS, SafeContractor and ISO 9001 are in place too, and we are fully insured.

- Place
- Clewer (SL4)
- Wider area
- Windsor and Maidenhead
- Records
- TR19® certificate and photo report
- Quote
- A fixed price before work begins
- Hours
- Overnight and weekend work, 24/7 emergency callout
- Telephone
- 0345 646 2711
- Last updated
- 30 October 2026
Landlords, agents and facilities managers
Landlords, managing agents and facilities managers book us, not only the businesses that use the systems. Where a system serves more than one tenant, such as a shared riser, it helps to agree who arranges the work, and we can quote for the whole system.
Records are where multi-site compliance often slips. Each visit ends with a dated report and photos, ready to show insurers, fire officers or EHOs.
Different parts, different methods
Multi-storey and shared buildings
A fire in a duct in a shared building can affect far more than one kitchen, so the responsible person has more reason to keep it clean. The paperwork suits landlords and managing agents.
Attenuators and discharge
Near the discharge, the air has cooled the most, which can mean heavier deposits. It’s tested and cleaned along with the rest.
Fixed quotes for ductwork cleaning in Clewer
A fixed price needs a few facts first. We look at:
- Any permits to work or inductions
- Parking and loading at the site
- The size of the system
- The condition we find in the survey
You will not 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 will explain what it covers.
What to send for a quote
When you call or email, it’s useful to have:
- Your opening hours and when the area is out of use
- A few general shots of the system
- Problems your staff have spotted
- How we’d reach plant on a roof or in a plant room
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 pictures and your last certificate or report help a lot. You’ll normally have a quote within one working day.
How the visit works
There are three stages on the day: getting the area ready, doing the work and signing it off. Set-up means sheeting and making equipment safe, and the sign-off is a written report with photos. Most of the time goes on the work itself, which takes from a few hours to more than one visit, depending on duct length and access. We plan the journey to Clewer and bring what the job is likely to need.
- We start by working out how the duct runs and where it can be opened.
- Set points along the runs are tested for grease.
- Access panels are opened and heavy deposits scraped out by hand.
- The duct is degreased with the method that suits the grease, from degreasers to hot water or steam.
- We test again, take pictures and note any part that couldn’t be reached.
How to prepare
- Tell us where we can park and unload
- Make sure equipment near the work can be switched off and left to cool
- Name a contact who can let us in at the agreed time
Getting a quote
We don’t publish a price list, because no two systems are the same. Instead, we look at your site first, from pictures or a survey, and then send you a fixed quote. To get going, call us on 0345 646 2711 or email us.
Advice
What else we do in Clewer
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.
Keep a record of what your team does. A dated log of in-house cleaning and checks shows an inspector that the system is looked after between visits, alongside our reports.
Why act early in Clewer
Fire inside a duct is out of sight and out of reach. The duct can carry it to rooms, floors or roof spaces well away from the kitchen, which is why the duct matters as much as the canopy. A quieter site near Clewer still needs its system looked after.
What you pay reflects the actual work. That’s why we survey first, from photos or on site, and the price is agreed before we start.
Why book with us
- Fixed quotes from a survey or photos
- In business since 2009
- Fully insured
- A BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
Take a look at how cleaning jobs are priced or how to check a contractor.
Your questions about ductwork cleaning in Clewer
Do you clean school canteen extracts around Clewer out of term?
Yes, and it’s the easiest time to do it. Around Clewer, the Food Standards Agency lists about 55 schools and colleges with registered kitchens within a mile and a half or so. Send us your term dates when you phone us on 0345 646 2711 or email us, and we will fit the work in.
Which fire authority looks after Clewer?
It’s Royal Berkshire Fire and Rescue Service, which covers Clewer. TR19® is not law, but it’s the benchmark many fire officers and insurers look to when they ask how often the extract is cleaned.
What paperwork do you give after a duct clean?
Readings, pictures and, for a full clean, a TR19 certificate. It also gives a recommended next clean date.
Can you look after several sites?
Yes. You deal with one contact for every site in our area, and visits can be set on a regular cycle.
How often should kitchen ducts be cleaned?
It depends mostly on daily cooking hours. Kitchens cooking 12 to 16 hours a day need it at least every 3 months, while lighter use can go longer.
Will the duct clean disrupt the kitchen?
Only while we are working, and we work around you. Overnight and weekend work is common, so no service is lost.
What should I send you?
The site address, the type of premises and your opening hours, along with a few pictures and any previous report.
How can I tell if my extract ducts are dirty?
Signs include grease dripping from joints, smells and a fan working harder, but measuring is the reliable way to know. Grease thickness testing shows exactly where the duct stands.
Ductwork cleaning around Clewer
Look up Clewer on the FSA’s food hygiene register and you’ll find about 172 restaurants, cafés and canteens and about 20 takeaways within about 1.5 miles of central Clewer. Behind every canopy among them is a run of ductwork that collects grease out of sight. Clewer is covered by Royal Berkshire Fire and Rescue Service. Its fire safety officers can audit commercial kitchens, and grease in the extract is part of a kitchen’s fire risk. Food hygiene inspections in Clewer are the job of Windsor and Maidenhead council’s environmental health team. They look at how clean the premises and equipment are, and the kitchen extract is part of that. A dated certificate in the maintenance file answers the question before it’s asked.
For kitchens close to Windsor & Eton Central station, where the day often starts early and ends late, the extract can be cleaned overnight. A hospital like King Edward VII Hospital, about 1 mile south-east, is the kind of site where a kitchen may cook for patients, staff and visitors all day.
Clewer is about 1 mile north of Windsor, in Windsor and Maidenhead. Anywhere in SL4, we can carry out ductwork cleaning at your premises. Our area takes in 57 places across Windsor and Maidenhead, from busy centres to quieter spots. You can also see our page for Reading, roughly 15 miles from Clewer.
We cover every part of SL4 for ductwork cleaning and the streets around it. You’ll find streets such as Oak Lane, Vale Road and Mill Lane, and we cover them all for ductwork cleaning. Being close to the A308 and A332, Clewer is simple for us to get to at any hour. We also cover the places around Clewer: Windsor (1 mile south), Eton (1 mile north-east), Eton Wick (1 mile north-west), Boveney (1 mile west) and Dedworth (1 mile south-west). Within a short drive, we also cover Maidenhead (5 miles north-west), Boyn Hill (5 miles west), North Ascot (5 miles south-west), Cookham (7 miles north-west), Furze Platt (6 miles north-west) and Broomhall (6 miles south).
Landmarks near Clewer
We work in commercial kitchens and buildings around The Windsor Boys' School, The Windsor Boys' School and The Vansittart Arms and the streets around them. Clewer’s nearest station is Windsor & Eton Central station, roughly 0.7 miles east. Nearby you’ll also find Museum of Antiquities (0.7 miles north-east) and King Edward VII Hospital (1 mile south-east). Green spaces nearby include Taplow Lake and Bray Pit.