Kent · TR19 inspections and grease testing
Knox Bridge TR19 inspection
One call covers TR19 inspection in Knox Bridge: survey, fixed quote, work and sign-off. CHAS and SafeContractor accredited, ISO 9001 and fully insured.
- Missing access panels found on survey
- Kitchen extract systems with no recent grease readings
- Post-clean verification after another contractor’s clean
Different parts, different methods
Horizontal duct runs
Bends and long runs can hold heavy deposits, well away from where anyone looks.
Extract fan and discharge
A greasy fan works harder and wears faster. Readings show if it needs attention before the next clean.
TR19 inspection in Knox Bridge
Under TR19® Grease, the mean grease thickness should stay at or below 200 microns between cleans, and 500 microns or more at any point needs immediate spot cleaning. Grease testing shows which side of those lines you are on. The work covers deposit thickness tests, access surveys and wet film thickness tests, and people most often call us about heavy grease suspected in the plenum or ducts and systems that need surveying before cleaning.
Work in a small place like Knox Bridge starts with a call to agree access and timings, and the clean itself is the same full TR19® job as in any town: canopy to discharge, then a TR19® certificate and a photo report.
We have been trading since 2009, and we’re a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. CHAS, SafeContractor and ISO 9001 are in place too, and we carry full insurance.
- Place
- Knox Bridge (TN17)
- Region
- Kent
- Paperwork
- Certificate and photo report
- Quote
- A fixed quote up front
- Hours
- Out of hours as standard, 24/7 emergency line
- Telephone
- 0345 646 2711
- Reviewed
- 30 October 2026

Kitchen extracts in Knox Bridge
Fire safety in Knox Bridge falls to Kent 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. About 38 miles out from central London, Knox Bridge is part of the South East area we work across. We work evenings, overnight and at weekends, so the visit fits around the site.
For kitchens in and around Knox Bridge, the clean covers everything from the canopy to the discharge.
Knox Bridge is about 9 miles south of Maidstone, in Kent. Whether your site is in the middle of Knox Bridge or further out, we cover TR19 inspection for every kind of premises, from a single unit to a large public building. Across Kent, we cover 922 places, Knox Bridge among them. Our Maidstone page covers sites nearby, about 9 miles away.
TR19 inspection in TN17 follows the same survey, fixed quote and written report as everywhere else we cover. Neighbouring places we cover for TR19 inspection include Cranbrook Common (1 mile south), Frittenden (1 mile east), Sinkhurst Green (2 miles north-east), Sissinghurst (2 miles south) and Staplehurst (2 miles north). Larger places within reach include Maidstone (9 miles north), Ashford (13 miles east), Royal Tunbridge Wells (12 miles west), Tonbridge (13 miles west), Kings Hill (11 miles north-west) and Foley Park (10 miles north).
Near you in Knox Bridge
Knox Bridge’s nearest station is Staplehurst station, roughly 2.4 miles north of the centre. Other landmarks nearby include Benenden Hospital (4.4 miles south-east) and Sissinghurst Castle (1.9 miles south-east).
What we do, step by step
At the end of the visit, someone from your team can look over the work with us. Anything we couldn’t reach or that needs attention is pointed out there and then, and the same goes into the written report. The visit takes a couple of hours for a typical kitchen extract system. Rural roads and tight entrances are worth telling us about before a visit to Knox Bridge.
- The visit is arranged for when the kitchen is not busy.
- The system is checked from canopy to discharge.
- We take WFTT or DTT readings at set points along the system.
- Each test point and any access problems are photographed.
- The findings go into a report with readings, photos and a recommended next clean.
Before we arrive
- Make sure equipment near the work can be switched off and left to cool
- Tell us where we can park and unload
- Let us know when the site is closed or quiet
Ask for a quote
Need a price for TR19 inspection? Please give us a ring on 0345 646 2711 or email us with a few details about the site. We’ll talk you through the work and give you a fixed quote before you commit to anything.
Related advice
How we price TR19 inspection
A fixed price needs a few facts first. We look at:
- When the work can happen, such as evenings, overnight or weekends
- How many systems or sites are involved
- What state the system is in
- Site requirements such as sign-in and permits
The price reflects the work, not guesswork. That’s why every job is surveyed first, and why the quote is fixed before we start.
What to send for a quote
You do not need the technical terms. Just send:
- Problems your staff have spotted
- Where the plant sits or the system leaves the building, such as a roof or outside wall
- Wide photos of the system and the area around it
- The times we could work without disrupting the site
There’s no standard price list, because every site is different. We look at your system first, from pictures or on a visit, and then give you a fixed quote. To get going, give us a ring on 0345 646 2711 or drop us a line.
Aftercare tips
Aftercare is simple, and it helps at the next visit:
- Mention new equipment or longer hours at the next test
- Keep to the recommended interval
- File every inspection report with your certificates
- Clean or swap grease filters as often as the kitchen needs
Readings of 500 microns or more are highlighted as needing immediate spot cleaning, and we can arrange it.
Test grease regularly instead of relying on the calendar. It spots changes in how fast grease builds.
Towns and villages near Knox Bridge
Other services in Knox Bridge
Do you need TR19 inspection in Knox Bridge?
Records can go missing when a business changes hands or contractors. With no history, the current state of the extract is a guess.
The symptoms we are asked about most are:
- Parts of the system left out of past cleans
- Extracts that may be over the 200 micron mean
- Post-clean verification after another contractor’s clean
- An insurer’s request for a TR19 audit
If you run catering at a healthcare site, such as a hospital like Benenden Hospital about 4.4 miles south-east, the extract may need cleaning more often than a part-time kitchen.
Questions to ask before you book
- Exactly which parts of the system are covered
- Whether a survey comes first
- How they set the interval to the next visit
- Whether the quote shows VAT
Why it’s worth doing now in Knox Bridge
Surveying first means the clean goes to plan. Access problems are spotted in advance rather than on the night, so the clean covers the whole system. Rural sites can’t always move to another kitchen or room when something fails.
Leaving it longer rarely makes the work cheaper. Build-up, wear and faults tend to get worse, not better, which can make the next visit longer. If you’re not sure what’s needed, call 0345 646 2711 or use the quote form and we will give you an honest view and a fixed quote.
Why choose Duct Doctor in Knox Bridge
- A fixed price before any work starts
- A written report with photos after each visit
- A BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
- One contact for all your sites in London and the South East
Take a look at how cleaning jobs are priced and how to check a contractor.
Multi-site and managed buildings
Whether it’s one building or many, the standard is the same: diagnosis, a fixed price, work booked around your hours and a written report with pictures.
Under the Regulatory Reform (Fire Safety) Order 2005, the responsible person must assess and reduce fire risk, and that can be the employer, the owner, a landlord, a facilities manager or a managing agent. Where responsibility is shared, records matter even more.
FAQs for Knox Bridge
Which council inspects kitchens in Knox Bridge?
In Knox Bridge, it’s Tunbridge Wells council that carries out food hygiene inspections. An officer may look up into the canopy, so clean filters on the day and a recent certificate on file both help.
Will you come out to Knox Bridge?
Yes, smaller places are covered as well as towns. Let us know about access, parking and anything unusual about getting there when you book.
How far ahead should we book?
For planned work, earlier is better, especially if the next clean or test is due soon. Emergencies are different, because our line is open 24/7.
What does a pre-clean survey involve?
The survey covers the whole system, grease readings and access to each section. It lets us plan the clean and send you a fixed quote.
How often should a kitchen extract be inspected?
Often enough to know the mean stays under 200 microns between cleans. The readings themselves tell you if the interval needs to change.
Can the work be done while we’re closed?
Yes. Tell us your opening hours when you ask for a quote and we will plan the visit around them.
Do you offer emergency callouts?
Yes, 24/7. Office hours are Monday to Friday, 8am to 6pm, with the emergency line covering every other hour.
What is post-clean verification?
Post-clean verification is a check after a clean, with fresh grease readings and pictures. It can follow our own cleans or another contractor’s.