Buckinghamshire · TR19 inspections and grease testing
Nether Winchendon TR19 inspection
We cover Nether Winchendon for TR19 inspections, grease thickness testing, pre-clean surveys and post-clean verification. Out-of-hours visits, a fixed quote and a written report with photos as standard.
- Systems that need surveying before cleaning
- Sites with gaps in their extract records
- Cleaning intervals that may not suit the kitchen
TR19 inspection in Nether Winchendon, done properly
TR19® Grease says grease should not exceed a mean of 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’re on. If you have sites with gaps in their extract records and sections of duct that can’t be reached, we can help, from pre-clean surveys, wet film thickness tests and access surveys onwards.
For a kitchen in or near Nether Winchendon, the visit is planned around opening hours and the journey, and the clean covers the whole system, as it would anywhere: canopy to discharge, then a TR19® certificate and a photo report.
It’s worth checking any contractor’s accreditations. We are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we hold CHAS, SafeContractor and ISO 9001, with full insurance on top.

- Place
- Nether Winchendon (HP18)
- Wider area
- Buckinghamshire
- Records
- Certificate and photo report
- Quote
- Fixed quote, typically within a working day
- When we work
- Evenings, overnight and weekends; 24/7 emergencies
- Call
- 0345 646 2711
- Updated
- 30 October 2026
Between visits
Aftercare is simple, and it makes the next visit easier:
- Mention new equipment or longer hours at the next test
- File every inspection report with your certificates
- Clean or swap grease filters as often as the kitchen needs
- Send TR19 audit reports to your insurer on request
Where sections couldn’t be reached, the report says where access panels would help. With panels fitted, the next clean can cover every section.
Keep certificates, reports and readings in one place so you can produce them quickly.
Common problems we fix in Nether Winchendon
Grease in a duct is flammable fuel. A flare-up on the range can be drawn into the canopy and duct, and from there a fire can spread through the ductwork. Measuring it is the first step to keeping it under control.
Keep an eye out for any of the following:
- Kitchens taken over with no cleaning records
- Extracts that may be over the 200 micron mean
- Missing access panels found on survey
- Kitchens whose menu or hours have changed
Historic houses near Nether Winchendon, such as Waddesdon Manor about 2.5 miles north, are a reminder that older buildings with event kitchens can have long, awkward duct routes.
Comparing quotes
- Proof of accreditation you can verify
- When they can work, and whether that’s outside your opening hours
- Whether the quote is based on a survey or pictures
- Whether a written report and photos are included
How the job changes from site to site
Restaurants, pubs and hotels
BESA’s minimum for heavy use of 12 to 16 hours a day is a clean every 3 months, with testing showing whether more is needed.
Extract fan and discharge
Grease builds up on the fan blades and inside the housing. We check and test them as part of the inspection.
What affects the cost of TR19 inspection
We don’t publish a price list, because no two systems are the same. What we look at:
- A single visit or a regular plan
- Site rules, permits and inductions
- The size of the system
- When the work can happen, such as evenings, overnight or weekends
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 go through it with you.
What we need to know
The more you tell us, the more accurate the quote. When you get in touch, it helps to send:
- The postcode and the type of business
- Anything you’ve noticed, such as smells, noise, drips or poor airflow
- A few general shots of the system
- The times we could work without disrupting the site
Need a price for TR19 inspection? Please call us on 0345 646 2711 or drop us a line and tell us about the site. We will explain what we’d do and send a fixed quote before anything is booked.
Common questions in Nether Winchendon
Is Nether Winchendon within the area you cover?
Yes. Nether Winchendon is within the area we cover across London and the South East. The journey is planned ahead, so a few details about the route help.
Who inspects food businesses in Nether Winchendon?
Food hygiene inspections in Nether Winchendon are carried out by Buckinghamshire council. How often a business is inspected depends on the risk rating the council gives it, so it’s worth staying ready all year.
How often should grease be tested?
It depends on how heavily the kitchen cooks. BESA sets minimum cleaning intervals of 3, 6 or 12 months by daily use, and grease readings help set the real interval.
Can you price the work without visiting?
Yes, for many jobs. Send a few wide pictures plus close-ups of panels, filters or grilles, and we normally come back within one working day. If photos are not enough, we will survey first.
What should I send you?
Some pictures and a quick description of the system plus the address and your hours. If we need more, we will ask.
What if parts of the system can’t be reached?
They’re marked on the report. Often the fix is extra access, such as new panels in ductwork, and we can fit those.
Can you work evenings and weekends?
Yes, and that’s how we prefer to work. We book the visit for when the area is out of use, whether that is late evening, overnight or a weekend.
Why survey before a clean?
We check the layout, the grease levels and the access, before anyone starts cleaning. Missing access panels are noted ahead of the clean.
TR19 inspection around Nether Winchendon
The fire and rescue service for Nether Winchendon is Buckinghamshire Fire and Rescue Service. Fire and rescue authorities enforce the Fire Safety Order in most non-domestic premises, and in a kitchen that fire risk includes the grease in the extract. At about 42 miles from central London, Nether Winchendon sits well inside the area we cover. Visits are booked around your hours, evenings and weekends included.
Where a hall near Parish Church of St Nicholas, or anywhere in Nether Winchendon, hosts lunch clubs or events, its extract gathers grease just as a café’s does. Healthcare kitchens, like those at hospitals such as St John's Hospital (about 2.9 miles east), often cook for long hours, which puts them in BESA’s heavier-use bands.
Nether Winchendon (also: Lower Winchendon) is about 4 miles north of Thame, in Buckinghamshire. Across the HP18 area, we can carry out TR19 inspection at your premises. 263 places in Buckinghamshire are on our list, large and small. You can also see our page for Oxford, about 13 miles away.
Work in HP18 follows the same survey, fixed quote and written report as everywhere else we cover. Neighbouring places we cover for TR19 inspection include Upper Winchendon (1 mile north-east), Ashendon (2 miles north-west), Wormstone (3 miles north-east), Waddesdon (3 miles north) and Westcott (3 miles north). Larger places within reach include Aylesbury (5 miles east), High Wycombe (15 miles south-east), Buckingham (13 miles north), Elmhurst (6 miles east), Southcourt (5 miles east) and Princes Risborough (7 miles south-east).
Near you in Nether Winchendon
The nearest railway station is Haddenham & Thame Parkway station, about 2.5 miles south. A little further out are Dinton Castle (2.3 miles east) and St John's Hospital (2.9 miles east). Not far away are Snakemoor.
Multi-site and managed buildings
From a single site to a large estate, you get the same standard: the system surveyed, the price fixed, the visit fitted around trading and everything written up afterwards.
Running several sites is easier with one contractor. We work across London and the South East, so a run of sites can go into one programme and kept to a regular schedule.
In-house cleaning or a specialist?
Staff cleaning and specialist work are not the same thing. Wiping filters daily and washing them weekly keeps the visible parts in order, but grease that has passed the filters is out of reach. That part needs specialist access and equipment.
If your staff spot something between visits, such as dripping grease, a noisy fan, a smell or a filter that will not come clean, they should report it rather than try to fix it. We can diagnose it and quote.
How the visit works
Before we leave, we walk the area with whoever is on site. We point out anything that couldn’t be reached or needs a follow-up, and the same goes into the written report. The visit takes an hour or two for a single kitchen, longer for a large or complex system. If you can send pictures, we can arrive in Nether Winchendon knowing what to expect.
- First we book a time that will not disrupt cooking.
- We look over the canopy, plenum, ducts, fan and discharge.
- Grease thickness is measured at set points by WFTT or DTT.
- Each test point and any access problems are photographed.
- We send a report setting out the readings, photos and next steps.
Getting ready for the visit
- Dig out any earlier paperwork for the system
- Arrange a key holder or contact on site
- Mention any locked doors, roof access or ceiling voids
Ask for a quote
To get a fixed quote, phone us on 0345 646 2711, or email photos with the site type, your trading hours and a short description of the system. A few pictures and your last certificate or report help a lot. We usually come back within one working day.