Hampshire · Ventilation duct cleaning
Knowle ventilation duct cleaning
Ventilation duct cleaning for Knowle, from a team that has been trading since 2009. Evenings, overnight and weekends, plus a 24/7 emergency line.
- Blocked general extract ductwork
- Grilles and diffusers streaked with dirt
- Duct runs that can’t be reached for cleaning
Ventilation duct cleaning for kitchens and businesses in Knowle
TR19® Air is the part of BESA’s TR19® that deals with general supply and extract ventilation. It’s risk-based and inspection-led, so we look before we clean. The work covers grilles and diffusers, offices and schools and general extract ductwork, and people most often call us about ductwork never cleaned since it was installed and ductwork with too few access panels to clean.
Somewhere as small as Knowle, ducted ventilation is usually limited to a school, a care home, a surgery or a converted business building, wherever there is one, but those that do need it inspected and cleaned like any other.
Each visit ends with a written report and photos, so there’s a dated record of the work. Where the work is a TR19® Grease clean, the certificate is issued through the BESCA Vent Hygiene Elite portal.
- Place
- Knowle (PO17)
- Region
- Hampshire
- Paperwork
- Report and photos after the visit
- Quote
- A fixed quote up front
- Working hours
- Nights, weekends or holidays to suit you
- Call
- 0345 646 2711
- Last updated
- 30 October 2026
Ventilation duct cleaning in Knowle: local notes
The FSA’s food hygiene register lists about 4 schools, colleges and universities and about 8 caring premises (care homes, nurseries and hospitals) with registered kitchens or food service within 1.5 miles or so of the middle of Knowle. Classrooms, bedrooms and care spaces are often served by ducted air, and that ductwork collects dust over time. The nearest hospital to Knowle is Knowle Hospital, about within half a mile north-east. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale.
If you manage a school such as Orchard Lea Infant School, ventilation cleaning is best booked for the holidays. Healthcare ventilation, from large hospitals like Knowle Hospital (about less than half a mile north-east) to small clinics, depends on clean filters, coils and ducts.
Knowle is about 2 miles north of Fareham, in Hampshire. We carry out ventilation duct cleaning for commercial premises of every kind in Knowle and the rest of Hampshire. 683 places in Hampshire are on our list, from busy centres to quieter spots. Our Portsmouth page covers sites nearby (7 miles or so).
Here we cover the PO17 postcode area for ventilation duct cleaning. Whether your site is on Serotine Close, Boundary Walk and Park Approach or a nearby road, we can help. Neighbouring places we cover for ventilation duct cleaning include Funtley (1 mile south), Tapnage (1 mile north-west), Heathfield (2 miles south), Segensworth (2 miles west) and Titchfield Park (2 miles south-west). Within a short drive, we also cover Winchester (13 miles north), Gosport (6 miles south-east), Havant (10 miles east), Eastleigh (9 miles north-west), Horndean (9 miles east) and Totton (13 miles west).
Around Knowle
We work in commercial kitchens and buildings around The Miners Arms and The Henry Cort Community College and the streets around them. Knowle’s nearest station is Fareham station, roughly 2 miles south. Other landmarks nearby include Portchester Castle (4.9 miles south-east) and Knowle Hospital (less than half a mile north-east). The countryside around Knowle includes Portsdown Hill and Swanwick Lakes.
Why deal with it now?
Landlords, tenants and auditors may want proof the ventilation is looked after. Having a recent certificate and photo report for a building in Knowle answers the question. Planning a trip to Knowle ahead is easier for everyone than a rushed one.
Kitchens, offices, schools and hospitals are all priced the same way: how much there is, how we reach it, what state it’s in and when we can work. Call for a fixed quote and we will explain each part.
Why choose Duct Doctor in Knowle
- Every visit written up, with photos
- Work around your opening hours, with 24/7 emergency cover
- A fixed price before any work starts
- Survey first, then a fixed quote
Take a look at how cleaning jobs are priced or our accreditations and certificates.
What a clean won’t put right
Before you book, it helps to know what’s not included:
- Controls and BMS faults that affect the system
- Damp or mould problems coming from the building fabric
- Leaking or broken duct sections
Not sure which it is? You can call us on 0345 646 2711 or send us an email and we’ll tell you honestly.
What the work covers
- Grilles and diffusers
- Hospitals and care homes
- General extract ductwork
- Supply ductwork
- Offices and schools
- Toilet extract systems
In-house cleaning or a specialist?
When your team notices a problem between visits, such as dripping grease, a noisy fan, a smell or a filter that will not come clean, it’s best reported rather than tackled in-house. We’ll take a look and send you a fixed quote.
In-house cleaning and specialist cleaning do different jobs. Wiping filters daily and washing them weekly keeps the visible parts in order, but they don’t reach the grease that builds up further in. Reaching it takes a specialist with the right equipment.
Your questions about ventilation duct cleaning in Knowle
Do you work at weekends in Knowle?
Yes, we can come after you close and finish before you open. The site is handed back ready to open. Tell us your opening hours when you ask for a quote.
Will you come out to Knowle?
Yes. Villages and rural sites across the South East are part of our work, Knowle included. The journey is planned ahead, so a few details about the route help.
Are you fully insured?
Yes. Duct Doctor is fully insured, and the details are available on request.
Can you look after several sites?
Yes. You deal with one contact for every site in our area, with visits on a regular schedule.
What is TR19® Air?
TR19® Air is the part of BESA’s TR19® that covers general supply and extract ventilation, beyond the kitchen. It works on inspection and risk, and kitchen extract falls under TR19® Grease.
What should I send you?
Some pictures and a quick description of the system, with the address and opening hours. If we need more, we’ll ask.
Is TR19 cleaning required by law?
Not in itself. TR19® is the benchmark insurers, fire officers and EHOs check against, and many insurance policies ask for proof of TR19® cleaning. The legal duty sits in the Regulatory Reform (Fire Safety) Order 2005, which applies in England and Wales.
How often should ventilation ductwork be cleaned?
There’s no single interval; under TR19® Air, inspection decides. We suggest a next inspection date after every visit.
Places near Knowle
More services for Knowle
Different parts, different methods
Supply ductwork
Supply runs are inspected at set points first to see where cleaning is needed.
Schools and colleges
The work is fitted around term dates and events, with access agreed with the caretaker or site manager.
Landlords, agents and facilities managers
When the building owner and the occupier are different, it’s worth checking the lease for who maintains the systems. We can quote either party, and the report can go to both.
We also work for facilities teams across offices, schools and healthcare across Hampshire. Larger estates can be phased building by building to keep disruption down.
Between visits
After the visit, a few habits help the work last:
- Store cleaning certificates where auditors can find them
- Make sure nothing is stacked against extract grilles
- Book the next inspection on the date the report recommends
- Get leaks near ductwork fixed quickly
You get a TR19® certificate and a photo report after the clean. BESA advises keeping certificates in the maintenance log, with the date, location and technician on record.
Regular inspection is the core of TR19® Air. Scheduled inspections spot dust before it becomes a major job.
What happens on the day
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 one overnight visit to a phased programme over several weeks, and the area is cleaned down before we leave. Somewhere as small as Knowle, the date and timings are agreed with you well before the day.
- First we check the layout and any past paperwork.
- Inspection points are chosen and the ducts examined.
- We cover the area below and turn off the system.
- 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
- Let us know how we reach the system, including roofs, risers and plant rooms
- Plan for cooking equipment or plant to be off before we arrive
- Clear loose items from the work area
How to get a quote
Getting a quote does not take long. Call or email with a few details and you will normally have a fixed price within one working day. If we need to see the system first, we book a survey around your hours.