Hertfordshire · TR19 inspections and grease testing
TR19 inspections in Woollensbrook
Need TR19 inspection in Woollensbrook? We survey first, send you a fixed quote and work around your opening hours, then sign off with a report and photos.
- Extracts that may be over the 200 micron mean
- Cleaning intervals that may not suit the kitchen
- An insurer’s request for a TR19 audit
TR19 inspection in Woollensbrook, done properly
Grease thickness testing tells you how much grease is sitting in the canopy, ducts and fan. Readings are taken at set points using the Wet Film Thickness Test (WFTT) or the Deposit Thickness Test (DTT). The results show whether the system needs cleaning and how soon. We’re often asked to deal with insurance renewals needing proof of TR19 cleaning and extracts that have never been grease tested, on post-clean checks, deposit thickness tests and insurer audits.
Rural kitchens often have long, low duct runs through a roof space or along an outside wall, where grease settles in the flat sections. Access, parking and timings are agreed before the day.
Each visit ends with a written report and pictures, so you have a record of what was done and when. Where the work is a TR19® Grease clean, the certificate is issued through the BESCA Vent Hygiene Elite portal.
- Location
- Woollensbrook (EN11)
- Wider area
- Hertfordshire
- Records
- Certificate and photo report
- Quotes
- A fixed quote up front
- Hours
- Evenings, overnight and weekends; 24/7 emergencies
- Telephone
- 0345 646 2711
- Checked
- 30 October 2026
How the job changes from site to site
Schools, hospitals and care homes
School and college kitchens still need their extract checked. Testing shows whether the interval suits.
Restaurants, pubs and hotels
BESA’s minimum for heavy use of 12 to 16 hours a day is a clean every 3 months, and readings show whether that’s enough.
Also near Woollensbrook
What else we do in Woollensbrook
For landlords and multi-site operators
Facilities teams in offices, schools and healthcare sites book us too in Woollensbrook and across Hertfordshire. Work can be phased by floor, building or site to keep disruption down.
Whether it’s one building or many, the standard is the same: the system surveyed, the price fixed, the visit fitted around trading and everything written up afterwards.
Honest limits
Not every problem is solved by TR19 inspection, and we’ll tell you before work begins. It will not put right:
- The responsible person’s own fire risk assessment
- Parts of the duct nobody can reach yet
- The grease itself, which needs a full or spot clean
Not sure which it is? You can call 0345 646 2711, or send details by email and we’ll tell you honestly.
Parts of the system we cover
- Access surveys
- Insurer audits
- Wet film thickness tests
- Post-clean checks
- Pre-clean surveys
- Deposit thickness tests
How it works
We start by comparing what we find with the survey or your pictures. If anything is different, we talk it through with the person on site before carrying on. From there, it takes a morning or less for one kitchen, more where there are several systems. We agree a date with you, plan the drive to Woollensbrook and turn up when the site is quiet.
- First we look at the system’s cleaning history, if there is one.
- The layout is traced from the canopy to the discharge.
- Access panels are located and any missing ones noted.
- We measure the grease and photograph each point.
- You get a report and a fixed quote for the clean.
Preparing for the visit
- Let us know about parking and loading
- Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas
- Arrange a key holder or contact on site
Getting a quote
Want a quote for TR19 inspection? Please call 0345 646 2711 or use the quote form with a few details about the site. We will explain what we’d do and send a fixed quote before you commit to anything.
Advice
Do you need TR19 inspection in Woollensbrook?
As hot, greasy air travels up the duct, it cools and leaves a film behind. It often collects where nobody can see it: the plenum, bends and horizontal runs.
It’s time to book a visit if you see:
- Kitchen extract systems with no recent grease readings
- Insurers asking for TR19 evidence
- Missing access panels found on survey
- Kitchens taken over with no cleaning records
Healthcare kitchens, like those at hospitals such as Hertford County Hospital (about 3.1 miles north-west), often cook for long hours, which puts them in BESA’s heavier-use bands.
Questions to ask before booking
- What paperwork you get at the end
- Which accreditations they hold, and whether you can check them
- What insurance they carry
- When they can work, and whether that’s outside your opening hours
Common questions in Woollensbrook
Do you do school kitchen extract cleaning in Woollensbrook in the summer holidays?
Yes, out-of-term visits are normal for schools. There are about 8 schools, colleges and universities on the FSA’s food hygiene register within about 1.5 miles of Woollensbrook. Tell us your holiday dates and we’ll book the visit for when the site is empty.
Which fire authority looks after Woollensbrook?
That’s Hertfordshire Fire and Rescue Service. It’s worth keeping your fire risk assessment, TR19® certificates and photo reports together, ready to show.
Is TR19 cleaning the law?
No, not in itself. The Fire Safety Order 2005 still requires the responsible person to manage fire risk, and grease in the extract is part of that. Many insurers also expect TR19 cleaning.
Can one contract cover all our sites?
Yes. You deal with one contact for every site in our area, with visits on a regular schedule.
Can you inspect our extract for our insurance company?
Yes. Insurers often want evidence the extract is managed to TR19®, and an audit report gives you that, with recommendations where something needs doing.
How much notice do you need?
That depends on the slot you want and the size of the job. Mention your preferred dates with your enquiry, and for anything urgent, ring our 24/7 emergency line.
Is Woollensbrook in your area?
Yes. Woollensbrook is part of the area we cover, within the South East and London area we cover.
What about areas you can’t get to?
The report shows them clearly. Often the fix is extra access, such as new panels in ductwork, which we can install.
Leave it or put it right?
Finding a hotspot early means a targeted spot clean rather than a bigger problem later. Ignored, the layer only gets thicker. It’s worth booking a check, because nobody sees inside a duct day to day.
The price reflects the work, not guesswork. That is why every job is surveyed first, and why the quote is fixed before we start.
Why choose Duct Doctor in Woollensbrook
- Trading since 2009
- BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
- Fixed quotes, typically within one working day
- A single point of contact for sites across the South East and London
Between visits
After the visit, a few habits help the work last:
- Keep access panels clear and unpainted
- Send TR19 audit reports to your insurer on request
- Keep TR19 certificates, readings and reports together
- Keep canopy edges and gutters wiped down
If any reading is 500 microns or more, the report flags it for immediate spot cleaning, and we can quote to do it.
Keep certificates, reports and readings in one place so you can produce them quickly.
TR19 inspection around Woollensbrook
Look up Woollensbrook on the FSA’s food hygiene register and you will find about 49 restaurants, cafés and canteens and about 19 takeaways across Woollensbrook and its immediate surroundings (about a mile and a half). Kitchens like these cook for very different hours, and grease testing shows which extracts need cleaning soonest. Kitchens in Woollensbrook get their food hygiene inspections from Broxbourne council. A greasy canopy or dripping filters are the sort of thing an inspection can pick up. Before-and-after photos from each clean are a simple way to show the extract is in hand. Fire safety in Woollensbrook falls to Hertfordshire 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.
For schools such as Westfield Community Primary School, kitchen extract cleaning is usually booked for the holidays, when the canteen is closed. Volunteers running a hall kitchen near Church of St Catherine & St Paul, or anywhere in Woollensbrook, may not know when the extract was last cleaned, and a grease test settles it.
Woollensbrook is about 1 mile north-west of Hoddesdon, in Hertfordshire. For TR19 inspection in and around Woollensbrook, please call us on 0345 646 2711 or send us an email for a fixed quote. We work across South East England and London, including Woollensbrook. Our area takes in 381 places across Hertfordshire, large and small. Our London page covers sites nearby (19 miles or so).
Every address in EN11 is covered for TR19 inspection, from the main roads to the quietest streets. Whether your site is on Bramble Lane and Fitzpatrick Lane or a nearby road, our technicians can take on the work. We also cover the places around Woollensbrook: High Leigh (1 mile south), Goose Green (1 mile south-west), Hailey (1 mile north-east), Little Amwell (1 mile north) and Hertford Heath (1 mile north-west). Further out, we also cover Stevenage (12 miles north-west), St Albans (13 miles west), Bishop's Stortford (11 miles north-east), Welwyn Garden City (7 miles west), Harpenden (14 miles west) and Cheshunt (4 miles south).
Local landmarks in Woollensbrook
Around Woollensbrook, our work takes us to kitchens and buildings near Robert Barclay Academy, Barclay Park and The Galley Hall Public House. For rail, the closest station is Rye House station, roughly 1.5 miles east of the centre. A little further out are Lowewood Museum (1.2 miles south-east) and Barrowfield (2.2 miles north). Open spaces near Woollensbrook include Hertford Heath nature reserve and Cheshunt Lake.