Fire officers expect TR19 standards
Insurers require TR19 certificates
EHOs use TR19 for hygiene compliance
Courts use TR19 as the benchmark for “reasonable steps”
In practice, TR19 compliance is treated as mandatory for any commercial kitchen or ductwork system.
Pricing can vary depending on the current levels of hygiene within the network.
As a general rule:
Canopy, wall fan & approx 1m of duct – £350 approx
Canopy, axial fan, up to 5m of duct – £450 approx
Canopy, roof fan, up to 10m of duct – £550 approx

