Hertfordshire · TR19 inspections and grease testing
TR19 inspections and grease testing in Bower Heath, Hertfordshire
TR19 inspection in Bower Heath from ventilation hygiene specialists trading since 2009. Evenings, overnight and weekends, plus a 24/7 emergency line.
- Sections of duct that can’t be reached
- Checking the result of a recent clean
- Surveys needed before quoting a full clean
What happens on the day
Protection comes first: sheeting goes over floors and surfaces close to the work. Then we make the system safe and start. The work on site takes around an hour or two per canopy and duct system, and the area is cleaned down before we leave. For a village or hamlet like Bower Heath, tell us about narrow lanes, gates and parking when you book.
- We agree a time when the kitchen is closed or quiet.
- Every part of the system is examined, end to end.
- 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.
How to prepare
- Mention any sign-in, permit or induction we need
- Allow time for equipment near the work to be turned off and cool down
- Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas
Get a fixed quote
For TR19 inspection in Bower Heath, ring 0345 646 2711 or email us. Let us know the site type and the opening hours, plus pictures or the previous report if they’re to hand. We normally send a fixed quote within one working day.
Advice
TR19 inspection in Bower Heath
A pre-clean survey looks at the whole system, from canopy to discharge. We check where the access panels are and whether every section can be reached, and record grease readings at set points. The work covers access surveys, 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 post-clean verification after another contractor’s clean.
In a village or hamlet like Bower Heath, the kitchens that need extract cleaning are normally a pub, a school, a care home or a hall kitchen, wherever there is one. Every one of them still needs its extract kept clear of grease, whatever the size of the place.
A written report with photos follows every visit, so you have a record of what was done and when. Kitchen extract cleaning to TR19® Grease is certificated through the BESCA Vent Hygiene Elite portal.

- Location
- Bower Heath (AL5)
- Region
- Hertfordshire
- Reporting
- TR19® certificate and photo report
- Quote
- A fixed quote up front
- When we work
- When your site is closed, plus a 24/7 line
- Telephone
- 0345 646 2711
- Reviewed
- 30 October 2026
Multi-site and managed buildings
Managing agents often deal with us directly. Send the address, what’s needed and how access works and we’ll come back with a fixed quote.
From a single site to a large estate, the standard is the same: the system surveyed, the price fixed, the visit fitted around trading and everything written up afterwards.
Why deal with it now?
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. Equipment tucked in a roof space or outbuilding near Bower Heath rarely gets looked at unless someone books it.
Whatever the type of site, the quote works the same way: how much there is, how we reach it, what state it’s in and when we can work. Ask for a fixed quote and we’ll explain each part.
Why us?
- We diagnose before we treat
- Fixed quotes, usually within one working day
- CHAS, SafeContractor and ISO 9001
- Full insurance on every job
How we price TR19 inspection
The quote reflects the site in front of us. We consider:
- Whether several sites go on one quote
- How big the system is
- Site rules, permits and inductions
- What state the system is in
The price reflects the work, not guesswork. That’s why every job is surveyed first, and why the quote is fixed before any work starts.
What we need to know
Before you ask for a quote, gather:
- Close-ups of filters, grilles, hatches or access panels
- Your last certificate, test record or report
- The postcode and the type of business
- Where the plant sits or the system leaves the building, such as a roof or outside wall
Quoting starts with a diagnosis, from your pictures and details or, where that is not enough, a survey on site. After that, you get a fixed price for the work so you know the cost before work begins.
When it’s something else
We’ll always give you a straight diagnosis, so here’s what this work can’t put right:
- Installation problems, which fall under design guidance such as DW172
- A faulty or failing extract fan
- Heavy deposits found on test, which still need cleaning
If you’re not sure, just call us on 0345 646 2711, or send details by email and we will give you a straight answer before booking.
Where we work
- Insurer audits
- Pre-clean surveys
- Post-clean checks
- Deposit thickness tests
- Access surveys
- Wet film thickness tests
TR19 inspection in Bower Heath: the local picture
The FSA’s food hygiene register includes about 8 bars, pubs and nightclubs in and around Bower Heath, up to about a mile and a half out. Any of them serving cooked food has an extract to keep clean, from canopy to discharge. It’s St Albans City council that sends environmental health officers to food businesses in Bower Heath. Extraction counts as kitchen equipment, so its condition can come up on the day. Keeping each certificate and photo report on file helps show the extract is looked after. The fire and rescue service for Bower Heath is Hertfordshire Fire and Rescue Service. In most workplaces, including commercial kitchens, it’s the fire and rescue authority that enforces the Fire Safety Order.
A hospital like St Albans City Hospital, about 5.2 miles south, is the kind of site where a kitchen may cook for patients, staff and visitors all day. A hall kitchen that only cooks for events, whether near All Saints or elsewhere in Bower Heath, still needs its extract cleaned, just less often. For schools such as Sauncey Wood Primary School, kitchen extract cleaning is typically booked for the holidays, when the canteen is closed.
Bower Heath is about 1 mile north of Harpenden, in Hertfordshire. Bower Heath gets the same approach as every site we work on: diagnosis first, a fixed price, out-of-hours working where needed and a written report with pictures. Bower Heath is one of 381 towns, villages and districts in Hertfordshire where we work for TR19 inspection. Milton Keynes is in our area too, about 23 miles from Bower Heath.
Our technicians cover all of the AL5 postcode area for TR19 inspection and the roads nearby. Nearby, we also carry out TR19 inspection in Mackerye End (1 mile south-east), Batford (1 mile south), Porter's End (1 mile east), Harpenden (1 mile south) and Lea Valley (1 mile south-east). We also work in nearby towns such as Watford (12 miles south), Hemel Hempstead (8 miles south-west), Stevenage (8 miles north-east), St Albans (6 miles south), Welwyn Garden City (7 miles east) and Hitchin (8 miles north).
What’s near Bower Heath
Around Bower Heath, our work takes us to kitchens and buildings near Lydekker Park, Sir John Lawes School and The Red Cow Public House and the streets around them. The nearest railway station is Harpenden station, about 1.5 miles south. A little further out are Harpenden Museum (1.7 miles south) and St Albans City Hospital (5.2 miles south). The countryside around Bower Heath includes Wheathampstead Local Nature Reserve.
Different parts, different methods
Extract fan and discharge
Grease on the fan adds to wear. The inspection shows whether it needs cleaning now.
Horizontal duct runs
Flat duct runs collect grease along their base. Readings are taken along each run through its access panels.
Aftercare tips
Simple habits between visits make a real difference. We recommend:
- Flag oily drips near the extract
- Keep TR19 certificates, readings and reports together
- Clean or swap grease filters as often as the kitchen needs
- Keep canopy edges and gutters wiped down
After post-clean verification, file the results with the cleaning certificate. The pair gives a clear record of the clean and the check.
Clean, correctly fitted filters stop more grease reaching the duct. Missing or damaged filters let grease straight into the plenum.
Also near Bower Heath
Also in Bower Heath
Bower Heath: your questions answered
Will you come out to Bower Heath?
Yes, smaller places are covered as well as towns. The journey is planned ahead, so a few details about the route help.
Which fire authority looks after Bower Heath?
That’s Hertfordshire Fire and Rescue Service. TR19® is not law, but it’s the benchmark many fire officers and insurers look to when they ask how often the extract is cleaned.
How do you keep the site clean during the work?
Protection goes down first: floor sheeting and covers over nearby surfaces and equipment. We tidy up and take our waste away before we leave.
Which sectors do you work in?
Commercial premises of every kind: kitchens, offices, schools, healthcare, retail, leisure and food production. Work is timed around how each site runs.
Do you work with multi-site operators?
Yes. Tell us the addresses and what each needs and you’ll get one fixed quote.
How long does grease testing take?
Expect it to take a couple of hours for a typical kitchen extract system. We fit it around when the kitchen is closed or quiet.
What do the grease readings need to be?
Under TR19® Grease, the mean thickness should not exceed 200 microns between cleans. 500 microns or more at any point calls for immediate spot cleaning.
Do you work out of hours?
Yes. Evenings, nights and weekends are normal working hours for us, so you do not have to close during trading.