Oxfordshire · Ventilation duct cleaning
Ventilation duct cleaning in Lewknor, Oxfordshire
Looking for ventilation duct cleaning in Lewknor? We survey first, send you a fixed quote and work around your opening hours, finishing with a written report and pictures.
- Musty smells from the ventilation
- Construction dust left in ducts after a refit
- Ductwork with too few access panels to clean
Between visits
After the visit, a few habits help the work last:
- Log every filter change
- Protect the system from construction dust
- Keep vents and grilles clear of shelving and stock
- Include grilles in the cleaning rota
What was cleaned is listed, along with any parts that weren’t accessible, backed up by before and after photos. We will suggest where new access panels would help.
Make sure there are enough access panels to inspect and clean the ducts. The worst build-up tends to be where no one can look.
Ventilation duct cleaning for kitchens and businesses in Lewknor
TR19® Air is the part of BESA’s TR19® that deals with general supply and extract ventilation. It works by inspecting first and cleaning where the risk calls for it, so every job starts with a look inside the ducts. The work covers hospitals and care homes, grilles and diffusers and supply ductwork, and the jobs we see most are supply ducts with years of dust inside and odours carried round the building by the ducts.
In rural areas, ventilation units are often in roof voids or outbuildings, where filters and drain trays get forgotten.
Insurers, fire officers and environmental health officers all look at records. So every job comes with a written report and pictures, and grease extract cleans come with a TR19® certificate issued through the BESCA Vent Hygiene Elite portal.

- Location
- Lewknor (OX49)
- Region
- Oxfordshire
- Paperwork
- Photo report after each visit
- Price
- A fixed quote up front
- When we work
- Overnight and weekend work, 24/7 emergency callout
- Phone
- 0345 646 2711
- Updated
- 30 October 2026
The process
Our technicians bring everything the work needs, including protection sheets, the right tools and access kit. All we need from you is clear access and the right equipment switched off. The visit takes a day or less for a small system and a series of visits for a large one. Seeing the system in pictures first means the trip to Lewknor can be planned properly.
- We look at the system and any earlier reports.
- We inspect the ducts at chosen points to see where cleaning is needed.
- The work area is protected and the system switched off.
- We clean the system and remove the debris from site.
- We report on the work, listing any inaccessible sections and the next inspection date.
Preparing for the visit
- Make sure equipment near the work can be switched off and left to cool
- Agree a time when the area can be out of use
- Find the previous report, if there is one
Ask for a quote
Photos are enough for some jobs, while others need a look on site. Larger sites, and anything hidden behind walls, ceilings or floors, are normally surveyed first. Either way, the quote is fixed before any work is booked.
Read more
Do you need ventilation duct cleaning in Lewknor?
Filters never catch everything, so fine dust settles in supply ductwork over the years. Extract ducts pick up dust, fibres and fluff from the rooms they serve.
Common reasons sites call us are:
- Toilet and washroom extracts full of fluff
- Ducts that need a clean before handover
- Dirty diffusers dropping dust into rooms
- Ductwork that hasn’t been inspected
Healthcare ventilation, from large hospitals like Thame Community Hospital (about 5 miles north) to small clinics, depends on clean filters, coils and ducts.
Questions to ask before you book
- How areas they cannot reach will be recorded
- Whether the quote shows VAT
- What paperwork you get at the end
- If the quote is a fixed price or an estimate
Questions from Lewknor
Can you get to a site in Lewknor?
Yes, smaller places are covered as well as towns. Photos of the system and directions to the site help us plan the visit.
Do you work at weekends in Lewknor?
Yes, we can come after you close and finish before you open. Your customers, staff or residents in Lewknor needn’t be disturbed. Your opening times are the first thing we ask for.
Will we have to shut during the visit?
Not typically. We need the work area to ourselves while we’re on site, so we book a time when it would be closed anyway.
How far ahead should we book?
The more notice, the better, particularly for night and weekend visits. Quotes usually come back within one working day, and there’s a 24/7 line for emergencies.
Do you have a 24/7 line?
Yes, day and night, every day of the year. Office hours are Monday to Friday, 8am to 6pm, and the emergency line covers the rest.
What do you do with what you remove?
We take it away at the end of the visit. During the work, it’s contained to keep the area clean.
How does TR19 Air differ from TR19 Grease?
The two cover different systems: general ventilation for TR19® Air and kitchen extract for TR19® Grease. TR19® Air takes an inspection-led, risk-based approach.
What types of premises do you cover?
We work for restaurants, pubs, hotels, schools, colleges, hospitals, care homes, offices and shops, as well as food production and leisure sites.
Landlords, agents and facilities managers
Multi-site operators often want one contractor and one number. We work across London and the South East, so visits at different addresses can be planned together and kept on a regular cycle.
For anyone managing more than one site, we can schedule visits across all of them on one quote. Each site gets its own report and pictures, so each one has its own record.
Lewknor buildings and their air
At about 39 miles from central London, Lewknor sits well inside the area we cover. Evening, overnight and weekend visits are all possible. For Lewknor, the closest hospital is Thame Community Hospital, roughly 5 miles north. Healthcare ventilation is a good example of why supply ducts need inspecting: the air goes straight to patients.
For schools like Lewknor Church of England Primary School, the holidays are the usual time to inspect and clean ventilation.
Lewknor is about 5 miles south of Thame, in Oxfordshire. For ventilation duct cleaning in and around Lewknor, please ring 0345 646 2711 or drop us a line for a fixed quote. Our area covers London and the South East, including Lewknor. 443 places in Oxfordshire are on our list, from busy centres to quieter spots. You can also see our page for Oxford, about 12 miles away.
Work in OX49 follows the same survey, fixed quote and written report as everywhere else we cover. That includes premises on High Street, Weston Road and Lewknor Close and the roads around them. We also cover the places around Lewknor: South Weston (1 mile north-west), Aston Rowant (1 mile north-east), Postcombe (1 mile north), Shirburn (1 mile south-west) and Kingston Blount (2 miles north-east). Larger places within reach include Oxford (12 miles north-west), Didcot (13 miles west), Abingdon-on-Thames (13 miles west), Thame (5 miles north), Henley-on-Thames (10 miles south) and Benson (7 miles south-west).
Near you in Lewknor
We work in commercial kitchens and buildings around Ye Olde Leathern Bottle Public House and Icknield Community College, among other places. Nearby you’ll also find Thame Community Hospital (5 miles north). For a walk, there’s Aston Rowant NNR and Bald Hill.
What your team can do, and what needs us
Some jobs should never be done in-house: opening up ductwork, cleaning fans, drop testing fire dampers and measuring grease call for the right kit, training and safe access. Leave those to us.
Staff cleaning doesn’t replace a specialist visit; it supports it. Clean filters and tidy surfaces slow the build-up, but hidden parts of the system still need specialist attention.
What ventilation duct cleaning cannot fix
Before you book, it helps to know what’s not included:
- Grease in kitchen extract systems, cleaned to TR19® Grease instead
- Damaged ductwork beyond cleaning
- Controls and BMS faults that affect the system
If in doubt, call 0345 646 2711 or use the quote form and we will say what we think before booking.
Parts of the system we cover
- Supply ductwork
- Grilles and diffusers
- Hospitals and care homes
- General extract ductwork
- Offices and schools
- Toilet extract systems
Also near Lewknor
Also in Lewknor
How the job changes from site to site
Offices and retail
Shared systems in multi-let buildings need access to several areas. We plan access with the managing agent.
Grilles and diffusers
Where they come out, grilles are taken down and cleaned, then put back.