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Mr Kitchen Porter

Grease build-up risk estimator

Estimate the fire and compliance risk from grease build-up in your kitchen extract system. Inputs: cuisine type, daily usage hours, time since last TR19 clean.

Grease build-up risk estimator

Enter the number of months. Use a high number if never cleaned or unknown.

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Grease risk estimator — questions

How is the risk score calculated? +

Multiplier of three factors: cuisine grease intensity, daily usage hours, and months since last documented TR19 clean. Output banded as Low / Moderate / High / Critical.

What does "Critical" actually mean? +

WFT readings likely above 500μm — well above the TR19 threshold. Fire risk and insurance non-compliance both likely. Book a TR19 clean immediately.

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TR19 cleans, deep cleans, kitchen porters — covered across London and major UK cities.