■ Built 1923. Listed status. East-wing single staircase, 1962 fire doors, listed-status variances on compartmentation.
■ FRA last reviewed 22 months ago by Mr H. Pemberton, retired fire surveyor and family friend. Helen Mortimer is the named Responsible Person under FSO 2005 Article 3.
■ Two PEEPs on Floor 3: Mrs M. Ashby (R312, mobility + dementia); Mr R. Khan (R318, mobility).
■ Radio crackles. Nathan from the kitchen back corridor: "Control, Nathan. I've got smoke. Not a lot, but smoke. Above the extractor housing. Line cooks didn't see it."