Erection of a rear roof extension; erection of a rear extension at second floor level, over part of the existing back addition; erection of a single storey rear extension, to the side of the existing back addition; installation of 2no. rooflights in the front roofslope; erection of brick parapet to rear elevation; alterations to the existing first floor back addition to include, raising the height and removal of part of the pitched roof to form a flat roof on top; replacement of part of the timber fence with bricks, to the side boundary wall in the rear garden; formation of a courtyard; replacement of existing doors with new aluminium framed glazed doors, to the rear elevation at ground floor level.