Change of use of an existing 2no 3bed maisonettes and 1No 1bed flat into 1No 1bed self-contained basement flat and 1No 4bed dwelling including the restoration and alterations of front, rear and side elevations including alterations to front balcony, installation of new sash windows and french doors, conversion of existing front dormer window to provide semi-enclosed balcony, demolition to rear of brick gable and slate pitched roof to form flat roof concealed beyond a new brick parapet