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.

Demolition of existing single storey garage and erection of a replacement single storey outbuilding in the rear garden with doors and window openings to use as home office; erection of new external steps to replace existing incorporating a link corridor between the main building and the replacement outbuilding, and associated landscaping in the rear garden; installation of new doors to replace the existing door and windows at lower ground floor level to the rear elevation of main dwelling; replacement of existing garage shutter doors with new timber screen entrance gates to side boundary wall and reinstatement of pavement outside of the site following removal of dropped kerb.

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.