Hertfordshire · TR19 inspections and grease testing
TR19 inspections and grease testing in Ayres End, Hertfordshire
TR19 inspection in Ayres End from ventilation hygiene specialists trading since 2009. Out-of-hours visits and 24/7 emergency callout.
- Systems that need surveying before cleaning
- Confirming a clean reached the whole system
- Kitchen extract systems with no recent grease readings
TR19 inspection in Ayres End, done properly
A pre-clean survey is the diagnosis, and the clean is the treatment. Readings, photos and notes on access are gathered from end to end, so the quote and the clean fit the real system. The work covers access surveys, wet film thickness tests and pre-clean surveys, and the jobs we see most are ductwork where grease may be over the TR19 limits and kitchens whose menu or hours have changed.
Somewhere as small as Ayres End, commercial kitchens are few: perhaps a pub, a school or care home kitchen, or a hall used for events. Each still has a canopy and duct that collect grease.
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, and we’re fully insured.
- Place
- Ayres End (AL5)
- Wider area
- Hertfordshire
- Records
- Certificate plus before-and-after photos
- Price
- Fixed quote, typically within a working day
- When we work
- Out of hours as standard, 24/7 emergency line
- Telephone
- 0345 646 2711
- Checked
- 30 October 2026

What we are called out for in Ayres End
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.
Common reasons sites call us include:
- Heavy grease suspected in the plenum or ducts
- Insurers asking for TR19 evidence
- Cleaning intervals that may not suit the kitchen
- Parts of the system left out of past cleans
For schools such as The Grove Infant and Nursery School, kitchen extract cleaning is typically booked for the holidays, when the canteen is closed.
Comparing quotes
- Whether inaccessible sections are listed on the report
- What paperwork you get at the end
- Proof of insurance
- When they can work, and whether that’s outside your opening hours
Nearby places to Ayres End
Also in Ayres End
Multi-site and managed buildings
Running several sites is easier with one contractor. We cover South East England and London, so visits at different addresses can be planned together and kept on a regular cycle.
Keeping records across a portfolio is half the battle. Each visit ends with a dated report and pictures, ready to show insurers, fire officers or EHOs.
Kitchen extracts in Ayres End
Food Standards Agency records list about 15 restaurants, cafés and works canteens and about 5 sandwich bars and takeaways in and around Ayres End, up to about a mile and a half out. A WFTT or DTT reading tells each of those kitchens whether its grease is staying under the 200-micron mean. Food hygiene inspections in Ayres End are the job of St Albans City council’s environmental health team. The cleanliness of the kitchen and its equipment, extraction included, is part of what they check. Before-and-after pictures from each clean are a simple way to show the extract is in hand. Fire safety in Ayres End falls to Hertfordshire 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.
Where a hall near Parish Church of Saint John the Baptist, or anywhere in Ayres End, hosts lunch clubs or events, its extract gathers grease just as a café’s does. A hospital like St Albans City Hospital, about 2.5 miles south, is the kind of site where a kitchen may cook for patients, staff and visitors all day.
Ayres End is about 2 miles south-east of Harpenden, in Hertfordshire. Across the AL5 area, we can carry out TR19 inspection at your premises. We cover 381 places across Hertfordshire, from busy centres to quieter spots. For sites nearby, see our London page (23 miles or so).
We work across the AL5 postcode area for TR19 inspection and the roads nearby. We also cover Childwick Green (1 mile south-west), Sandridge (1 mile south-east), Marshalswick (2 miles south), Bernards Heath (2 miles south) and St Albans (3 miles south). Further out, we also cover Watford (10 miles south), Hemel Hempstead (6 miles south-west), Stevenage (10 miles north-east), Welwyn Garden City (6 miles east), Hitchin (11 miles north) and Hoddesdon (14 miles east).
What’s near Ayres End
Locally, jobs take us to businesses close to Three Horseshoes Public House, Rothamsted Park and Townsend CofE School. The nearest railway station is Harpenden station, about 1.7 miles north-west. Well-known places in the area include St Albans City Hospital (2.5 miles south) and The Maltings (3.2 miles south). Green spaces nearby include Verulamium Lake and Wheathampstead Local Nature Reserve.
Why it’s worth doing now in Ayres End
An EHO visit, an insurance renewal or a fire risk assessment is a bad time to find your extract records are thin. A recent inspection report means you’re ready when asked. With notice, the visit to Ayres End can be fitted around your bookings and events.
Leaving it longer rarely makes the work cheaper. Problems in a system tend to grow, which can make the next visit longer. If you are not sure what’s needed, give us a ring on 0345 646 2711 or email us and we’ll give you an honest view and a fixed quote.
Why Ayres End businesses choose us
- Photo reports with every job
- Trading since 2009
- Fixed quotes from a survey or photos
- A BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
Take a look at what affects the cost or our accreditations.
What affects the quote in Ayres End
You will get a fixed price before we start. It’s based on:
- Parking and loading at the site
- Whether it’s a one-off visit or part of a schedule
- The scale of the work
- Any permits to work or inductions
Working hours, access and the scale of the site all affect the cost. We take each of them into account and give you a fixed price before we start.
Helping us quote
You do not need the technical terms. Just send:
- Detail shots of panels, filters and grilles
- Wide pictures of the system and the area around it
- When the site is open and when it’s quiet
- The paperwork from the last visit, if you have it
For TR19 inspection in Ayres End, give us a ring on 0345 646 2711 or send us an email. Tell us what kind of premises it is and when it’s open, plus photos or the previous report if they’re to hand. A fixed quote typically follows within one working day.
How it 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. All told, the work takes a couple of hours for a typical kitchen extract system. We agree a date with you, plan the drive to Ayres End and turn up when the site is quiet.
- Post-clean verification is booked once the clean is done.
- The same access points are opened up.
- We repeat the WFTT or DTT readings.
- We photograph each area to record how it was left.
- We report the findings and flag any areas that need more work.
Before we arrive
- Name a contact who can let us in at the agreed time
- Mention any locked doors, roof access or ceiling voids
- Let us know when the site is closed or quiet
Get a fixed quote
Need a price for TR19 inspection? Please give us a ring on 0345 646 2711 or send us an email with a few details about the site. We will explain what we’d do and send a fixed quote before anything is booked.
Related advice
Your questions about TR19 inspection in Ayres End
Who carries out food hygiene inspections in Ayres End?
That’s St Albans City council, whose environmental health officers carry out food hygiene inspections in Ayres End. It helps to keep the extract cleaning records with your food safety paperwork, so they’re ready if asked for.
Who is the fire and rescue service for Ayres End?
Fire safety enforcement in Ayres End is handled by Hertfordshire Fire and Rescue Service. It’s worth keeping your fire risk assessment, TR19® certificates and photo reports together, ready to show.
How much notice do you need?
It depends on the time you need and how big the job is. Tell us your preferred dates when you ask for a quote, and for anything urgent, ring our 24/7 emergency line.
What about areas you can’t get to?
They’re marked on the report. Often the fix is extra access, such as new panels in ductwork, which we can install.
What do the grease readings need to be?
TR19® Grease says the mean shouldn’t exceed 200 microns between cleans, with 500 microns or more anywhere needing immediate spot cleaning.
How often should grease be tested?
That varies with the kitchen’s daily use. BESA’s minimum cleaning intervals are every 3, 6 or 12 months for heavy, moderate and light use, and testing shows if your kitchen needs more.
Can you work evenings and weekends?
Yes. Tell us your opening hours when you ask for a quote and we’ll book around them.
What does TR19 mean?
A BESA specification, with two parts that matter most here: TR19® Grease for kitchen extracts and TR19® Air for supply and extract systems. It isn’t legislation, but it’s the standard people check against.
Looking after it afterwards
Simple habits between visits make a real difference. Our advice:
- Have the latest report ready for insurance renewals
- Do not box in or cover duct access panels
- Wipe the canopy surfaces regularly
- Look out for grease drips round the canopy edge
The audit report is set out to pass straight to your insurer or broker, including readings, pictures and any inaccessible sections.
When cooking hours or the menu change, check the interval still fits. A quick grease test answers the question.
Different parts, different methods
Schools, hospitals and care homes
Education kitchens need TR19 inspections like any other. Readings show if the interval is right.
Vertical risers
In buildings with several floors, the riser may pass through other tenants’ space, so access is planned in advance.