Demolition of existing first floor rear back addition and erection of a replacement full width rear extension at first floor level, on top of the existing back addition; erection of a single storey rear extension at lower ground floor level; excavation under the footprint of the whole building and underneath the rear garden to form a sub-basement level; alterations to the main roof to include the installation of a new rooflight and loft decking in connection with the formation of a roof terrace; alterations to the roof of first floor rear back addition to include increasing the height and installation of solar panels; installation of French doors to replace the existing window at ground floor level to the rear elevation; installation of new windows at ground and first floor level to the side elevation; erection of an external staircase from sub-basement to garden level at the rear of the property (access to the rear garage); demolition of the existing garage in the rear garden and erection of a replacement part one, part two storey plus-basement annexe building to provide habitable accommodation ancillary to the main dwellinghouse; installation of a new door to side boundary wall fronting Astrop Terrace elevation.

Change of use from part retail (Class E) and part residential (Use Class C3) to a standalone casting studio/office (Use Class E) at ground floor level and a two bedroom flat (Use Class C3) above; erection of an additional floor at roof level with solar panels; formation of a roof terrace on top of the existing back addition at second floor level; demolition of existing single storey garage and erection of a part single two storey side and rear extension; installation of air source heat pump to side elevation of back addition; associated landscaping; alterations to the street facing boundary treatment; and erection of bin storage fronting Waldo Road elevation. (Revised description)