Hertfordshire · TR19 inspections and grease testing
TR19 Inspection in Childwick Green
TR19 inspection in Childwick Green, surveyed first and signed off with a written report and photos. Ask us for a fixed quote.
- Heavy grease suspected in the plenum or ducts
- Kitchen extract systems with no recent grease readings
- Sites with gaps in their extract records
TR19 inspection in Childwick Green
A fixed schedule does not always match how a kitchen really cooks. In a busy kitchen, grease can build faster than the minimum intervals allow for, and only measurement shows it. Our readings give your risk assessment real numbers to work from. If you have pre-clean surveys before a first TR19 clean and insurance renewals needing proof of TR19 cleaning, we can help.
In a village or hamlet like Childwick Green, the kitchens that need extract cleaning are typically 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.
Duct Doctor has been trading since 2009, and we’re a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. CHAS, SafeContractor and ISO 9001 are in place too, and we carry full insurance.
- Place
- Childwick Green (AL3)
- Wider area
- Hertfordshire
- Reporting
- Certificate and photo report
- Quotes
- Fixed quote, usually within a working day
- When we work
- Out of hours as standard, 24/7 emergency line
- Call
- 0345 646 2711
- Page updated
- 30 October 2026
The process
Night work is normal for us. A lot of visits happen overnight or at weekends, so a kitchen or building can carry on as usual the next day. The visit itself takes a couple of hours for a typical kitchen extract system. Pictures of the system and its access let us plan the work in Childwick Green before we set off.
- We go through any past certificates and reports.
- We follow the extract from canopy to discharge.
- We note where access panels are and where more are needed.
- We measure the grease and photograph each point.
- You get a report and a fixed quote for the clean.
Getting ready for the visit
- Make sure equipment near the work can be switched off and left to cool
- Name a contact who can let us in at the agreed time
- Let us know about permits to work or site inductions
Ask for a quote
Here’s what helps us quote: where the site is, what it is and its opening hours, pictures of the system and the last certificate or report, if there is one. Once you have those, call 0345 646 2711 or send us an email.
Advice
Part by part
Extract fan and discharge
We look at where the extract discharges outside, as grease can build up there too.
Restaurants, pubs and hotels
A kitchen running from breakfast to late service builds grease quickly. Regular testing shows whether the cleaning interval keeps up.
Also near Childwick Green
Other services in Childwick Green
Keeping the system healthy
Simple habits between visits make a real difference. Our advice:
- Send TR19 audit reports to your insurer on request
- Never cook with filters missing
- File every inspection report with your certificates
- Wipe the canopy surfaces regularly
Each report suggests the next clean and the next test, from the measured grease and the kitchen’s hours.
Close the access gaps found during inspection, so every part of the duct can be cleaned.
TR19 inspection in Childwick Green: the local picture
The Food Standards Agency lists about 7 pubs, bars and clubs as registered food businesses in Childwick Green and the streets around it, up to about 1.5 miles out. Breakfasts, bar meals and functions all put grease into the extract wherever they’re cooked. Fire safety in Childwick Green 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. Kitchens in Childwick Green get their food hygiene inspections from St Albans City council. They look at how clean the premises and equipment are, and the kitchen extract is part of that. A dated certificate in the maintenance file answers the question before it’s asked.
For schools such as Townsend Church of England School, kitchen extract cleaning is normally booked for the holidays, when the canteen is closed. Healthcare kitchens, like those at hospitals such as St Albans City Hospital (about 1.6 miles south), often cook for long hours, which puts them in BESA’s heavier-use bands. A hall kitchen that only cooks for events, whether near Church of St Mary or elsewhere in Childwick Green, still needs its extract cleaned, just less often.
Childwick Green is about 2 miles south of Harpenden, in Hertfordshire. Sites in Childwick Green get the same service as everywhere we cover: a survey first, a fixed quote, work timed around your hours and a report with pictures. Our area takes in 381 places across Hertfordshire, large and small. You can also see our page for London, about 22 miles away.
Postcode districts we cover here for TR19 inspection: AL3. If you need TR19 inspection at premises on Childwick Green and School Lane or a nearby road, our technicians can take on the work. Other places close to Childwick Green include Ayres End (1 mile north-east), Bernards Heath (2 miles south), Sandridge (2 miles east), Marshalswick (2 miles south-east) and St Albans (2 miles south). We also work in nearby towns such as Watford (9 miles south), Hemel Hempstead (5 miles south-west), Stevenage (11 miles north-east), Welwyn Garden City (7 miles east), Hitchin (12 miles north) and Hoddesdon (14 miles east).
Local landmarks in Childwick Green
Around Childwick Green, our work takes us to kitchens and buildings near Three Horseshoes Public House and Margaret Wix Primary School. Childwick Green’s nearest station is Harpenden station, roughly 2.1 miles north of the centre. Other landmarks nearby include Harpenden Museum (2 miles north) and Village Arcade St Albans (2.3 miles south). Open spaces near Childwick Green include Verulamium Lake and Grebe House Wildlife Garden.
Managing agents and facilities teams in Childwick Green
If you look after several sites, we can schedule visits across all of them on one quote. Each site gets its own report and pictures, so records stay tidy.
Landlords, managing agents and facilities managers book us, not only the businesses that use the systems. Where a system serves more than one tenant, such as a shared riser, it helps to agree who arranges the work, and we are happy to quote for all of it.
What a clean will not put right
An honest diagnosis matters more to us than a booking, so here’s what TR19 inspection won’t do:
- Installation problems, which fall under design guidance such as DW172
- The legal duty, which stays with the responsible person
- Sections with no access, until panels are fitted
Not sure which it is? You can ring 0345 646 2711 or email us and we’ll tell you honestly.
What the work covers
- Insurer audits
- Post-clean checks
- Wet film thickness tests
- Deposit thickness tests
- Pre-clean surveys
- Access surveys
In-house cleaning or a specialist?
Good housekeeping makes our visits easier, not unnecessary. Clean filters and tidy surfaces slow the build-up, but the parts you can’t see still need a specialist at the right interval.
Logging matters as much as cleaning. A simple log of filter washes, wipe-downs and checks helps show that the system is managed between specialist visits, alongside our reports.
Why it’s worth doing now in Childwick Green
If there’s a fire or a claim, your insurer may ask for TR19 records. Without them, a claim can be reduced or refused. Getting an inspection done now starts that paper trail. It’s simpler to plan the work at Childwick Green now than to arrange it in a hurry later.
A single site or a whole portfolio, the quote is built the same way: what needs doing, how we get to it and when. You’ll have a fixed price before we start.
Why us?
- Ventilation hygiene specialists since 2009
- Work around your opening hours, with 24/7 emergency cover
- Survey first, then a fixed quote
- Accredited under CHAS and SafeContractor, with ISO 9001
Read how cleaning jobs are priced and our accreditations and certificates.
Your questions about TR19 inspection in Childwick Green
Is Childwick Green within the area you cover?
Yes, we work in villages as well as towns, and Childwick Green is covered. Photos of the system and directions to the site help us plan the visit.
Who enforces fire safety at workplaces in Childwick Green?
Fire safety enforcement in Childwick Green 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 does TR19 inspection cost?
Size, condition, access and working hours all affect the cost. Ask us for a fixed quote and we’ll usually reply within one working day.
Which kinds of sites do you work on?
Restaurants and pubs, hotels, schools and colleges, hospitals and care homes, offices and retail, as well as food production and leisure sites.
Do you work with multi-site operators?
Yes. Our area covers London and the South East, so we can schedule a run of sites as one programme. Each site gets its own report and photos.
Can you set up regular visits?
Yes. We run scheduled maintenance contracts, set at the interval the system needs. Each report recommends when the next visit should be.
Can you price the work without visiting?
Yes, if we can see what we need. Otherwise, we book a survey at a time that suits the site, and the quote follows that.
What is a WFTT or DTT grease test?
Grease thickness testing measures the layer of grease on the duct surfaces, using the Wet Film Thickness Test (WFTT) or Deposit Thickness Test (DTT). Each reading is recorded in microns.