Scheme approved. Erection of a roof extension at fourth floor level and creation of a terrace, use of second, third, fourth floors as three-bedroom dwelling (Class C3), associated alterations including a link to the adjacent residential access core (from 315-319 Oxford Street including 24 Dering Street) at 313 Oxford Street. Installation of plant within second floor lightwell and fourth floor levels in connection with the retail and residential uses within the building.