Conversion and change of use of the existing office block into a Children's Residential Centre (Social, Emotional and Mental Health) and refurbishment and erection of front and side extension after demolition of existing glazed link between the office block and the Listed Wigmore Hall. - Discharge of Condition No. 8 (Arboricultural Details) of Planning Permission No. 22/00546/FUL dated 3rd October 2022