Kitchen extract cleaning frequency calculator
Calculate the TR19-recommended cleaning frequency for your kitchen extract system. Enter your kitchen usage hours and cuisine type.
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Cleaning frequency calculator — questions
How does TR19 set frequency? +
By usage hours per day: heavy (12+ hr/day) = every 3 months; moderate (6-12 hr/day) = every 6 months; light (less than 6 hr/day) = every 12 months.
Does cuisine type affect frequency? +
Yes informally. High-grease cuisines (wok, tandoor, fryer-heavy) deposit grease faster. Our calculator adjusts for this where relevant.
What if my last clean was a long time ago? +
Book a TR19 inspection (£180-£450 standalone) — WFT readings will tell you whether the system is currently compliant.
Need a same-day quote?
TR19 cleans, deep cleans, kitchen porters — covered across London and major UK cities.