Hampshire · TR19 inspections and grease testing
TR19 Inspection in Bishop's Sutton
TR19 inspection in Bishop's Sutton from ventilation hygiene specialists trading since 2009. Out-of-hours visits and 24/7 emergency callout.
- Cleaning intervals that may not suit the kitchen
- An insurer’s request for a TR19 audit
- Heavy grease suspected in the plenum or ducts
When something else is needed
TR19 inspection can’t fix everything, and we will tell you before any work starts. It does not solve:
- Fire safety duties beyond the extract system
- Design faults in the extract system
- Parts of the duct nobody can reach yet
Not sure which it is? You can ring 0345 646 2711 or use the quote form and we’ll tell you honestly.
What we work on in Bishop's Sutton
- Pre-clean surveys
- Deposit thickness tests
- Insurer audits
- Post-clean checks
- Access surveys
- Wet film thickness tests
TR19 inspection for kitchens and businesses in Bishop's Sutton
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. Grease testing shows which side of those lines you are on. If you have extracts that may be over the 200 micron mean and pre-clean surveys before a first TR19 clean, we can help, from insurer audits, access surveys and pre-clean surveys onwards.
Somewhere as small as Bishop's Sutton, commercial kitchens are few: perhaps a pub, a school or care home kitchen, or a hall used for events. Every one of them still needs its extract kept clear of grease, whatever the size of the place.
Think of the report as the system’s health record: dated, with pictures, and showing what was done. Grease extract cleans are also certificated to TR19® Grease through the BESCA VHE portal, ready for your insurer.
- Where
- Bishop's Sutton (SO24)
- Wider area
- Hampshire
- Records
- TR19® certificate and photo report
- Price
- Fixed quote, usually within a working day
- Hours
- After hours by arrangement; emergencies any time
- Call
- 0345 646 2711
- Last updated
- 30 October 2026
What happens on the day
When we arrive, we check the system against the survey or the pictures you sent. If anything is different, we talk it through with the person on site before carrying on. After that, the work takes an hour or two for a single kitchen, longer for a large or complex system. We agree a date with you, plan the drive to Bishop's Sutton and turn up when the site is quiet.
- We agree a time when the kitchen is closed or quiet.
- We look over the canopy, plenum, ducts, fan and discharge.
- Grease thickness is measured at set points by WFTT or DTT.
- Photos are taken at each point, and access gaps noted.
- We send a report setting out the readings, pictures and next steps.
Before we arrive
- Mention any locked doors, roof access or ceiling voids
- Allow time for equipment near the work to be turned off and cool down
- Find the previous report, if there is one
How to get a quote
For a fixed quote, call us on 0345 646 2711 or email us with the site type, your trading hours and a short description of the system. Photos and the last report, if you have one, make the quote quicker. We typically come back within one working day.
Read more
Multi-site and managed buildings
Where a tenant occupies the premises but the landlord owns the building, the lease normally sets out who maintains what. We are happy to deal with either side and send the paperwork to whoever needs it.
We work for landlords, managing agents and facilities managers as well as the people running the site. Shared systems, like a riser serving several units, need a clear agreement on who books the work, and we’re happy to quote for all of it.
TR19 inspection around Bishop's Sutton
There are about 9 cafés, restaurants and staff canteens across Bishop's Sutton and its immediate surroundings (about a mile and a half), according to the Food Standards Agency’s register. For any of them with a canopy, measuring grease is better than guessing when to clean. It’s Winchester City council that sends environmental health officers to food businesses in Bishop's Sutton. The cleanliness of the kitchen and its equipment, extraction included, is part of what they check. Our report lists what was cleaned and when, which is useful to have ready. Fire safety in Bishop's Sutton falls to Hampshire and Isle of Wight Fire and Rescue Service. In most workplaces, including commercial kitchens, it’s the fire and rescue authority that enforces the Fire Safety Order.
Older buildings often hide long, awkward duct runs, and if you run a kitchen at a historic venue in the area (Hinton Ampner House is about 2.9 miles south), access may need planning. Where a hall near Church of St Nicholas, or anywhere in Bishop's Sutton, hosts lunch clubs or events, its extract gathers grease just as a café’s does.
Bishop's Sutton is about 8 miles south-west of Alton, in Hampshire. Sites in Bishop's Sutton get the same service as everywhere we cover: a survey first, a fixed quote, work timed around your hours and a report with photos. 683 places in Hampshire are on our list, large and small. You can also see our page for Southampton, roughly 16 miles from Bishop's Sutton.
All of SO24 is within our area for TR19 inspection, from the main roads to the quietest streets. You will find streets such as North Street, Home Close and Water Lane, and we cover them all for TR19 inspection. Other places close to Bishop's Sutton include Gundleton (1 mile north-east), New Alresford (2 miles west), Bramdean (2 miles south), Hinton Ampner (3 miles south) and Cheriton (3 miles south-west). Larger places within reach include Basingstoke (13 miles north), Winchester (8 miles west), Eastleigh (12 miles south-west), Horndean (13 miles south-east), Chandler's Ford (13 miles south-west) and Alton (8 miles north-east).
Landmarks near Bishop's Sutton
Typical jobs here are in premises near Ship Inn and the streets around them. Nearby you will also find Barton Castle (3.8 miles north). The countryside around Bishop's Sutton includes Shutts Copse and Red Hill.
What the work involves, part by part
Restaurants, pubs and hotels
A kitchen running from breakfast to late service builds grease quickly. Readings show if the cleans are frequent enough.
Extract fan and discharge
A greasy fan works harder and wears faster. The inspection shows whether it needs cleaning now.
What happens if it’s left?
Finding a hotspot early means a targeted spot clean rather than a bigger problem later. Left alone, grease keeps building between cleans. It’s simpler to plan the work at Bishop's Sutton now than to arrange it in a hurry later.
Every site is different, so we price each one individually. Size, access, the condition of the system and when we can work all make a difference.
Why choose Duct Doctor in Bishop's Sutton
- Photo reports with every job
- Accredited under CHAS and SafeContractor, with ISO 9001
- Ventilation hygiene specialists since 2009
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
Read what affects the cost and our accreditations and certificates.
Common questions in Bishop's Sutton
Do you work in villages like Bishop's Sutton?
Yes, Bishop's Sutton is part of our area, however small the site. Just mention lanes, gates or anything else about the site when you book.
Do you clean school canteen extracts around Bishop's Sutton out of term?
Yes, and it’s the easiest time to do it. The FSA’s register shows about 4 schools and colleges with food registrations within roughly a mile and a half of Bishop's Sutton. Booking early in the term gives the best choice of holiday dates.
What happens if you cannot reach some of it?
We never leave them off the paperwork. You will know exactly which parts weren’t reached and why, along with a quote to put access in.
How long does a TR19 inspection take?
An inspection takes around an hour or two per canopy and duct system. Large or multiple systems take longer, and you can phone us on 0345 646 2711 or drop us a line to book it in.
Can you quote from photos?
In many cases, yes. With good photos, the site type and your last report, we can price many jobs. Where we can’t see enough, we arrange a survey.
Do you offer maintenance contracts?
Yes. Regular plans can run on 3, 6 or 12-monthly cycles, depending on what the system needs.
What is post-clean verification?
After a clean, we take new readings and photos to show how the system was left. It works whoever carried out the clean.
How much notice do you need?
The more notice, the better, particularly for night and weekend visits. Quotes typically come back within one working day, and there’s a 24/7 line for emergencies.
Between visits
To keep the system working properly between visits:
- Share inspection reports with your insurer or broker when asked
- File every inspection report with your certificates
- Keep grease filters clean and fitted properly
- Tell us if menus or opening hours change
After post-clean verification, file the results with the cleaning certificate. The pair gives a clear record of the clean and the check.
Test grease regularly instead of relying on the calendar. It shows if build-up is speeding up.
When to call us in Bishop's Sutton
Looking at a canopy tells you little about what’s in the duct. A system can look clean at the filters and be heavily coated further in, so readings are the reliable guide.
Signs it’s time to call us include:
- Heavy grease suspected in the plenum or ducts
- An insurer’s request for a TR19 audit
- Kitchens whose menu or hours have changed
- Sections of duct that can’t be reached
For schools such as Perins School, kitchen extract cleaning is typically booked for the holidays, when the canteen is closed.
Before booking anyone
- When they can work, and whether that’s outside your opening hours
- What insurance they carry
- Which accreditations they hold, and whether you can check them
- What’s included in the scope, part by part