Demolition of the existing single storey garage in the rear garden and erection of a replacement two storey plus-basement single family dwellinghouse; alterations to the main building at no. 12 Ongar Road to include: erection of a single storey rear extension, to the side and rear of the existing back addition at basement level; erection of an external staircase from basement to ground floor level at the rear of the property; infilling of 1no window at the side of rear back additions at ground and first floor level (northern elevation); installation of a new window to replace the existing window to the side of rear back addition, and replacement of existing doors with a new window to the rear of proposed bedroom 5 at basement level; replacement of selected windows with new double glazed windows, and relocation of 2no windows to southern and eastern elevation of the main building at no. 12 Ongar Road; formation of a cycle and refuse store with an air source heat pump attached to the store; erection of boundary wall and gates to Sedlescombe Road elevation.

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.

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.

Installation of bi-folding doors to replace the existing shutter doors and replacement of the single door with a stable door and a window above in the south east elevation in connection with the change of use of the existing garage (Class E) into habitable accommodation to use as a garden room (Class C3), ancillary to the use of The Mews House as a single dwellinghouse.

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.

Erection of an additional floor at roof level; erection of front extensions at ground, first, second and third floor levels, and conversion of the ground floor garage into habitable accommodation; erection of a single storey rear extension; formation of a roof terrace at third floor level to the rear elevation; replacement of existing windows with new windows at the rear elevation; conversion of the existing dwellinghouse into 3 x 1 bedroom and 1 x 2 bedroom self-contained flats.

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.

Conversion of existing garage into habitable accommodation associated with the existing single dwellinghouse; infilling of existing garage doors with part brick and a window at ground floor level to the front elevation.