Change of use of the rear part of ground and first floor level from retail (Class E) into 2 x 2 bedroom self-contained flats (Class C3); erection of rear extensions at ground and first floor level following the demolition of existing rear garage and part of the ground floor back addition; installation of 2no rooflights above the roof of first floor back addition; alterations to the first floor terrace area to include the replacement of existing window with a door at the side elevation and the existing door with a window (to the new bathroom); installation of a new door to replace the existing window at ground floor level to the side elevation; installation of new fencing to the rear side elevation at ground floor level.