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.

Non-material amendments to planning permission reference: 2019/01306/FUL dated 7th July 2020 for the "Demolition of detached house and garage, erection of a replacement three storey building comprising of 6 self-contained residential flats (1 x 1 bedroom, 5 x 2 bedroom) with balconies at first and second floor levels; erection of a detached two-storey, 3-bedroom dwellinghouse; erection of associated cycle and bin storage enclosures; landscaping works including new off-street parking; and a new boundary wall to Old Oak Road and Aldbourne Road." Amendments sought are the installation of a new obscured bathroom window to the front elevation at second floor level, and the installation of a glass roof over the hallway entrance. Obscured window does not materially change the design and appearance of the property, and being obscured will not impact on privacy of any surrounding property. Glass roof will be behind parapet and not visible fom anywhere in the public domian, nor will it impact on the amenity of any of the surrounding properties.