Sheffield · TR19 Grease
We clean the full commercial duct run - grease, dry and laundry ductwork, canopy to roof fan - for kitchens and industrial sites across Sheffield, and certify it to the TR19 Grease standard your insurer expects.
Sheffield
Sheffield holds ratings for more than 4,800 food premises, and behind a large share sits a grease extract duct that a canopy clean never reaches.
Sheffield has some of the most converted building stock in the North - the old foundries and cutlery works of Kelham Island turned into bars and restaurants, the Victorian stock of Ecclesall Road, the multi-storey city-centre hotels - all with long, concealed duct runs threading up to roof fans. We clean the complete run to the TR19 Grease standard, canopy to fan, including the horizontal and vertical sections a canopy-only clean leaves coated.
We also clean the dry ductwork and air-handling in offices and public buildings, and the lint-heavy laundry ducts in hotels, care homes and gyms - each carrying its own fire and air-quality risk in the concealed sections a wipe-down never reaches.
The standard
TR19 Grease is the benchmark Sheffield insurers and fire risk assessors expect - measured across the whole extract run, not just the visible mouth of the canopy.
Grease is measured by thickness, and the standard sets the depth at which a system must be cleaned and re-tested. In the converted foundries of Kelham Island and the multi-storey city-centre stock, where the concealed runs thread through old brick and up several floors to a roof fan, a canopy-and-filter wipe leaves the ductwork itself - the long hidden sections where grease accumulates and a fire travels - untouched. We access the full Sheffield run through existing and newly fitted inspection hatches, clean to bare metal, record before-and-after grease-depth readings at set points, and issue a TR19 Grease certificate with a post-clean depth record.
By system
The fire risk. Fried-food extract coats duct walls in combustible grease; cleaned canopy to fan and certified to TR19 Grease.
Supply and general extract carrying dust and debris that throttles airflow and spreads contamination; cleaned to TR19.
The hidden one. Tumble-dryer ducting packs with lint - highly combustible - in Sheffield hotels, care homes and gyms.
On the ground in Sheffield
We cover the whole city, and clean the complete run - not a surface wipe.
Sheffield's kitchens run the full range, from the food-hall cooklines and independents of Kelham Island to the pub kitchens, takeaways and hotel and care-home kitchens across the city. We clean the complete extract run on all of them - canopy, the concealed horizontal and vertical ductwork, and the roof fan - to the TR19 Grease standard, fitting compliant access panels where the run is sealed and leaving a dated certificate, before-and-after photographs and an access report. We cover the whole of Sheffield and work around your service, overnight or on a close day.
When it is due
Ductwork rarely warns you politely. In a busy Sheffield kitchen these are the tells.
Smells pushing back into the dining room, a canopy that drips onto a Kelham Island cookline, extraction that no longer clears the char-grill smoke, visible grease at the filter edges, or a Sheffield insurer or fire risk assessment asking for a TR19 certificate you cannot produce. Cleaning frequency tracks use - a hard-frying food-hall pitch needs it far more often than a daytime cafe - and your certificate states the interval, so the next clean is never a guess.
How it runs
Inspect the full Sheffield run, find the access gaps in the concealed sections, agree scope and frequency.
Fit inspection hatches where the run is sealed - common in the old Kelham Island conversions - and protect the kitchen.
Canopy to roof fan, down to bare metal, with before-and-after grease-depth evidence.
TR19 Grease certificate, grease-depth record and next-due date for your Sheffield fire logbook.
Why it matters
Three duties push every Sheffield operator to keep ductwork clean, and they reinforce one another.
Fire safety law. Under the Regulatory Reform (Fire Safety) Order 2005, the responsible person for a Sheffield premises must assess and manage fire risk. A grease-laden duct is one of the most serious risks in any catering building, because a flare-up on a Kelham Island cookline can travel the ductwork and spread fire through the concealed voids of a converted foundry. The Health and Safety at Work etc. Act 1974 and the HSE reinforce the same duty of care.
Insurance. A current TR19 Grease certificate is the evidence your Sheffield insurer expects. Without it, a fire claim can be reduced or refused outright - an expensive gap to find after the event.
Hygiene and environmental health. Sheffield City Council food hygiene inspections assess the physical condition of premises, ventilation included. A grease-clogged system can count against the rating an Environmental Health Officer awards, quite apart from the smell and the falling extract performance your staff have to work in.
It is set by cooking hours under TR19 Grease - roughly every three months for heavy use of 12 to 16 hours a day, every six for moderate, every twelve for light. A Kelham Island char-grill sits in a tighter band than a daytime cafe. We measure the grease load and confirm your interval.
Yes. We work overnight, early mornings and closing days for the Ecclesall Road and Kelham Island kitchens, at no extra charge for out-of-hours work.
Yes. Lint-heavy laundry ducts and dry ductwork carry their own fire and air-quality risk in Sheffield hotels, care homes and gyms; we clean and certify these alongside kitchen grease ducts.
Yes - from Kelham Island and the city centre to the suburbs and industrial units, and across the wider South Yorkshire region.
Yes. The fan at the top of a multi-storey Kelham Island or city-centre riser is where grease throws off the blades and the run ends - we degrease it and its housing, because a loaded fan is what finally stops a system pulling.
We fit compliant access panels where the ductwork has none, so every internal section can be reached, cleaned, inspected and certified - common in the converted Kelham Island foundries where the run was boxed into old brick.
The full run, canopy through the concealed horizontal and vertical ductwork to the roof fan - the hidden sections a canopy-only clean leaves loaded, which matters in Kelham Island's converted foundries and the multi-storey city-centre stock.
Phoenix Duct Clean · by the numbers
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