Advice
TR19 and ventilation advice
Practical guides to keeping kitchen extract and ventilation systems clean, safe and properly documented.
Main guides
TR19 Explained: Kitchen Extract Cleaning Standard
What BESA’s TR19® Grease covers, who it applies to, how often extracts need cleaning, how grease is measured and how it relates to the law.
Read the guideHow Often Should a Kitchen Extract Be Cleaned?
BESA’s 3, 6 and 12-month minimum cleaning intervals explained, plus how cooking style and grease readings set the right schedule for your kitchen.
Read the guideGrease Thickness Testing: WFTT and DTT Explained
How kitchen extract grease is measured in microns, what the 200 and 500 micron figures mean and where readings should be taken.
Read the guideFire Damper Testing: A Guide for Building Owners
How fire damper drop testing works, why BESA says test at least annually, the faults testing finds and who is responsible for it.
Read the guideKitchen Extract Insurance: What Insurers Want to See
What insurers commonly ask for on kitchen extract cleaning, how to build a TR19 evidence pack and why records of inaccessible sections matter.
Read the guideTR19 Air Explained: Ventilation Hygiene for Buildings
What BESA’s TR19® Air covers for supply and extract ventilation in offices, schools and hospitals, and how risk-based inspection works.
Read the guideWhat Affects the Cost of Kitchen Extract Cleaning?
The factors that shape the price of a TR19 kitchen extract clean, from system size to access, and what a proper fixed quote should include.
Read the guideHow to Choose a Kitchen Extract Cleaning Contractor
A practical checklist for choosing a duct cleaning firm: Vent Hygiene Register checks, certificates, photo reports, insurance and access.
Read the guideTR19 Certificates: What They Should Show
What a post-clean TR19 certificate and photo report should record, the red flags to look for and how long to keep your records.
Read the guideKitchen Extract Fires: How They Start and Spread
How grease fires start in kitchen extracts and spread through ductwork, plus the daily habits and cleaning schedule that help prevent them.
Read the guideMore advice
Is TR19 a Legal Requirement? What the Law Says
TR19 isn’t law, but the Fire Safety Order 2005 is. How the two fit together for anyone responsible for a commercial kitchen.
Read the guideRestaurant Kitchen Extract Cleaning: A Guide
How restaurants can plan TR19 extract cleaning around service, set the right interval and keep the records insurers and EHOs ask for.
Read the guidePub Kitchen Extract Cleaning: A Checklist
A simple checklist for pub kitchens: filters, canopy, ductwork, fan, cleaning intervals and the paperwork to keep on file.
Read the guideHotel Kitchen Ventilation and Extract Cleaning
How hotels with busy, long-hours kitchens can schedule extract cleaning, fire damper testing and ventilation hygiene without disruption.
Read the guideSchool Kitchen Extract Cleaning: Holiday Planning
How schools and colleges can plan kitchen extract cleaning in the holidays, set the right interval and keep TR19 records in order.
Read the guideCare Home Kitchen Ventilation and Extract Cleaning
Kitchen extract and ventilation cleaning for care homes and hospitals: working around residents, fire safety duties and records.
Read the guideCanopy-Only Cleaning vs a Full TR19 Clean
Why cleaning just the canopy and filters isn’t a TR19 clean, and what a full kitchen extract clean from canopy to discharge involves.
Read the guideDuct Access Panels: Why They Matter for TR19
Why kitchen extract ductwork needs access panels, what happens to sections that can’t be reached and how new panels are fitted.
Read the guideGrease Filter Cleaning: How Often and How
How often commercial kitchen grease filters should be cleaned, how to clean baffle filters properly and when a filter exchange service helps.
Read the guideSigns Your Kitchen Extract Needs Cleaning
Dripping grease, smells, heat, smoke and a noisy fan: the warning signs that your kitchen extract system is overdue a clean.
Read the guideKitchen Extract Fan Problems and What They Mean
Noisy, slow or failed kitchen extract fans explained: common causes, how grease plays a part and when to clean, repair or replace.
Read the guideFire Damper vs Smoke Damper: The Difference
How fire dampers and smoke dampers work, where each is used and how testing differs between drop tests and control-based tests.
Read the guideThe Responsible Person Under the Fire Safety Order
Who the responsible person is under the Fire Safety Order 2005 and what the role means for kitchen extracts, ventilation and dampers.
Read the guideLandlord or Tenant: Who Cleans the Kitchen Extract?
How responsibility for kitchen extract cleaning is often split between landlords and tenants, and what to check in your lease.
Read the guideWhat EHOs Look For in Kitchen Extraction
What environmental health officers check on kitchen extraction during food hygiene inspections, and how to be ready for a visit.
Read the guideOvernight Kitchen Extract Cleaning: What to Expect
How out-of-hours kitchen extract cleaning works, from preparing the kitchen to handover, so you don’t lose a service.
Read the guideAir Handling Unit Cleaning: A Practical Guide
What AHU cleaning covers, from filters and coils to drain trays and fans, why it matters and how it fits with TR19 Air.
Read the guideGrease Traps Explained: Cleaning and Upkeep
How commercial kitchen grease traps work, why they need regular emptying and cleaning and what happens to drains when they’re neglected.
Read the guideLaundry and Tumble Dryer Extract Fire Risk
Why lint builds up in commercial laundry and tumble dryer extracts, the fire risk it creates and how often ducts should be cleaned.
Read the guideLEV Testing Explained: Thorough Examination
What local exhaust ventilation testing involves under COSHH, why HSE says at least every 14 months and what the report should show.
Read the guideKitchen Odour Control Maintenance Explained
How carbon filters, UV and electrostatic odour control units work in kitchen extracts and why they need regular maintenance.
Read the guideTR19 vs DW172: What’s the Difference?
How BESA’s DW172 specification for kitchen ventilation design differs from TR19 Grease, which covers cleaning, and why you need both.
Read the guidePre-Clean Surveys: What to Expect
What happens during a pre-clean survey of a kitchen extract, what it checks and how it leads to a clear, fixed quote for the clean.
Read the guideTakeaway and Dark Kitchen Extract Cleaning
Why takeaways and dark kitchens often need frequent extract cleaning, and how to fit TR19 cleaning around long opening hours.
Read the guide