Approval of details pursuant to conditions 9 (basement method statement and flood risk assessment) and 10 (construction methodology) of planning permission 19/02024/FUL (Change of use and conversion of the existing building involving demolition of the rear building, excavation to create a basement with lightwells, erection of dormer windows in the rear elevation in connection with conversion of existing loft to habitable floorspace and the erection of 2 storey rear extension (new building) and a 2 storey side extension with undercroft to provide 400sqm of Office floorspace (Use Class B1(a)) at basement and ground floor levels and 8 residential units (Use Class C3) at part ground floor and on the upper floors together with the provision of 2 parking spaces, cycle/refuse stores and new boundary treatments) granted on 19.03.2020.