Buckinghamshire · TR19 inspections and grease testing

Rout's Green TR19 inspection

TR19 inspection for commercial sites in Rout's Green and across Buckinghamshire. CHAS, SafeContractor and ISO 9001, and fully insured.

  • An insurer’s request for a TR19 audit
  • Systems that need surveying before cleaning
  • Confirming a clean reached the whole system

TR19 inspection across Rout's Green

How we handle TR19 inspection in Rout's Green

Under TR19® Grease, the mean grease thickness should stay at or below 200 microns between cleans, while a reading of 500 microns or more anywhere calls for immediate spot cleaning. Testing is how you know where your system stands. The work covers deposit thickness tests, post-clean checks and wet film thickness tests, and the jobs we see most are ductwork where grease may be over the TR19 limits and uncertainty over how often to clean.

For a kitchen in or near Rout's Green, the visit is planned around opening hours and the journey, and the clean covers the whole system, as it would anywhere: canopy, filters, duct, fan and discharge, with a certificate and photo report at the end.

For insurers and inspectors, the record counts. That is why every job is written up in a report with photos, and grease extract cleans come with a TR19® certificate issued through the BESCA Vent Hygiene Elite portal.

Where
Rout's Green (HP14)
Wider area
Buckinghamshire
Reporting
Certificate and photo report
Quote
A fixed quote up front
Hours
Evenings, overnight and weekends; 24/7 emergencies
Call
0345 646 2711
Updated
30 October 2026
Inside an extract duct: heavy deposits on the left, cleaned metal on the right

Between visits

Looking after the system between visits is straightforward, and it helps at the next visit:

  • Diary the next grease test and clean
  • File every inspection report with your certificates
  • Send TR19 audit reports to your insurer on request
  • Mention new equipment or longer hours at the next test

Keep the verification report next to the certificate it relates to. Together they show the system was cleaned and checked.

Keep certificates, reports and readings in one place so you can produce them quickly.

Grease, kitchens and Rout's Green

At about 35 miles from central London, Rout's Green sits well inside the area we cover. A survey and a fixed quote come first, then the visit at a time that suits you. Kitchens in Rout's Green get their food hygiene inspections from Buckinghamshire council. The cleanliness of the kitchen and its equipment, extraction included, is part of what they check. A TR19® certificate and photo report after each clean gives you a record to show an inspector.

For schools such as Bledlow Ridge School, kitchen extract cleaning is typically booked for the holidays, when the canteen is closed. Where a hall near Church of St Mary, or anywhere in Rout's Green, hosts lunch clubs or events, its extract gathers grease just as a café’s does.

Rout's Green is about 6 miles north-west of High Wycombe, in Buckinghamshire. Sites in Rout's Green get the same service as everywhere we cover: diagnosis first, a fixed price, out-of-hours working where necessary and a written report with photos. Our area takes in 263 places across Buckinghamshire, large and small. Reading is in our area too, about 17 miles from Rout's Green.

Postcode districts we cover here for TR19 inspection: HP14. Other places close to Rout's Green include Bledlow Ridge (1 mile south-east), Radnage (1 mile south), Bennett End (1 mile south-west), Saunderton Lee (1 mile north-east) and Sprig's Alley (1 mile west). We also work in nearby towns such as Aylesbury (10 miles north), High Wycombe (6 miles south-east), Chesham (11 miles east), Marlow (8 miles south-east), Amersham (11 miles east) and Beaconsfield (10 miles south-east).

Near you in Rout's Green

Around Rout's Green, our work takes us to kitchens and buildings near The Three Horseshoes Inn. The closest station to Rout's Green is Saunderton station, about 1.5 miles east. Nearby you will also find Wycombe Hospital (5.9 miles south-east). For a walk, there’s Yoesden and Bald Hill.

Map of Rout's Green © OpenStreetMap contributors

Why act early in Rout's Green

Skipping grease testing leaves the cleaning interval to guesswork. Any reading of 500 microns or more needs immediate spot cleaning under TR19® Grease, and you can only act on that if you’ve measured it. Our emergency line runs 24/7, but a planned visit to Rout's Green is calmer for everyone.

The cost depends on the size of the system, the condition it’s in and how easy it is to reach. You get a fixed price before work begins, so you know where you stand.

What you get with us

  • Fixed quotes from a survey or photos
  • Evenings, overnight and weekends, plus 24/7 emergency callout
  • A single point of contact for sites across the South East and London
  • Ventilation hygiene specialists since 2009

See our cost guide and our accreditations and certificates.

The process

On the day, we arrive at the time agreed with you, often in the evening, overnight or at the weekend so the site keeps working. Anything that needs to be off for the work is switched off and left to cool before any work starts, and floors and nearby surfaces are sheeted. The work itself takes around an hour or two per canopy and duct system. Photos of the system and how to reach it help us plan a visit to Rout's Green.

  1. Post-clean verification is booked once the clean is done.
  2. We open the access points used on the clean.
  3. Grease readings are taken again at set points.
  4. We photograph each area to record how it was left.
  5. We report the findings and flag any areas that need more work.

Preparing for the visit

  • Agree a time when the area can be out of use
  • Mention any sign-in, permit or induction we need
  • Plan for cooking equipment or plant to be off before we arrive

Getting a quote

The quickest way to a quote is to send photos: the system from a couple of angles, plus any access panels or hatches. Tell us what kind of site it is and when it’s open, and we can price many jobs without a visit.

Get a quick quote

Advice

Part by part

Extract fan and discharge

We look at where the extract discharges outside, as grease can build up there too.

Horizontal duct runs

If a run has no access panel, we note it so panels can be added.

In-house cleaning or a specialist?

Logging matters as much as cleaning. A dated log of in-house cleaning and checks helps show that the system is managed between specialist visits, next to our reports.

Good housekeeping makes our visits easier, not unnecessary. Clean filters and tidy surfaces slow the build-up, but hidden parts of the system still need specialist attention.

Common problems we fix in Rout's Green

Menus, opening hours and cooking styles change over time, and more frying or longer hours mean more grease. The old cleaning schedule may not match the kitchen any more.

Clients usually contact us when they notice something like this:

  • Post-clean verification after another contractor’s clean
  • Kitchen extract systems with no recent grease readings
  • Cleaning intervals that may not suit the kitchen
  • Heavy grease suspected in the plenum or ducts

Healthcare kitchens, like those at hospitals such as Wycombe Hospital (about 5.9 miles south-east), often cook for long hours, which puts them in BESA’s heavier-use bands.

What your quote should include

  • Whether a written report and pictures are included
  • Whether VAT is included
  • Whether inaccessible sections are listed on the report
  • How they set the interval to the next visit

Our hiring checklist

Questions from Rout's Green

Who carries out food hygiene inspections in Rout's Green?

The local authority for Rout's Green is Buckinghamshire council, and its environmental health team does the inspecting. Have your latest TR19® certificate and photo report to hand, as an officer may ask how the extract is maintained.

Do you work at weekends in Rout's Green?

Yes, we can come after you close and finish before you open. Your customers, staff or residents in Rout's Green needn’t be disturbed. Let us know the hours you’re closed and we will book within them.

How do you measure grease in a kitchen extract?

The Wet Film Thickness Test (WFTT) and Deposit Thickness Test (DTT) measure how thick the grease is at a given point. Readings are taken at set points through the system.

How far ahead should we book?

Book as early as you can for planned work, particularly if your next visit is nearly due. Emergencies are different, because our line is open 24/7.

What grease levels does TR19 allow?

TR19® Grease says the mean shouldn’t exceed 200 microns between cleans, with 500 microns or more anywhere needing immediate spot cleaning.

What’s TR19?

TR19® is the BESA specification for keeping ventilation systems clean. TR19® Grease, a standalone specification since 2019, covers grease in kitchen extract systems, and TR19® Air covers general supply and extract systems.

Can you look after several sites?

Yes. Our area covers London and the South East, so sites at different addresses can be planned together as one programme. Every site has its own report.

What do you do with what you remove?

Waste is contained during the work and removed when we leave, including grease, debris and dirty water. None of it is left on site.

Landlords, agents and facilities managers

The Fire Safety Order 2005 puts the duty to manage fire risk on the responsible person, which may be the employer, owner, landlord, FM or managing agent. Where responsibility is shared, records matter even more.

Whether it’s one building or many, the standard is the same: a survey first, a fixed quote, the work timed around the site and a report with photos.

BESCA Vent Hygiene EliteMember, cleaning to BESA TR19® Grease
CHAS · SafeContractorISO 9001 and fully insured
Certificate and photo reportWith every clean
24/7 emergency calloutEvenings, nights and weekends
Since 2009South East England and London