消房安全
Code of Practice for Fire Safety in Buildings 2011
Clause C13.3
In any Use Classification 1 provided with a single exit door, a kitchen adjacent to such door should be separated from the rest of the flat by walls having an FRR of not less than -/30/30 and the entrance to the kitchen should be provided with a fire rated door having an FRR of not less than -/30/30.