Demolition of the single storey back addition and rear outbuildings attached to the rear of the main building; erection of side and rear extensions at lower ground, upper ground and first floor level, erection of a rear roof extension to replace the existing dormer window, excavation beneath the main building in connection with the creation of a new basement and the formation of a roof terrace at upper ground floor level to the main building; change of use of the main building from office (Class E) into 2 x two bedroom self-contained flats; erection of a part one storey plus-basement single family dwellinghouse in the rear garden; erection of a new boundary wall with three new entrances to the side elevation; associated landscaping and external alterations.

Conversion of existing garage into home office use ancillary to the main dwellinghouse; excavation under the footprint of the garage to form a new basement; erection of a single storey rear extension to existing garage; replacement of existing doors with new doors and windows to the front elevation, and installation of a new window and door to replace the existing windows and door to the side elevation of existing garage; alterations to the roof of the garage to include the installation of new rooflight in the eastern and southern elevation roofslopes; installation of new windows to the western elevation of the garage.

Erection of a rear roof extension, including the installation of French doors and a Juliette balcony; installation of 3no. rooflights in the front roofslope; removal of part of the pitched roof of the existing two storey back addition at second floor level to form a roof terrace enclosed with an obscured glazed screen; installation of a door to the rear elevation at second floor level to provide access to the proposed roof terrace; erection of a single storey timber clad building to be used as an office to the rear of the rear garden; erection of a timber clad bin and bike store to the front garden; conversion of a single family dwelling house into a two bedroom self-contained flat at ground floor level and a two bedroom self-contained maisonette at first and second floor levels.