Erection of two-storey rear extension with balcony at ground floor level and terrace at first floor level; Installation of Juliet balcony at second floor level to rear; Reconfiguration of rear roof lights and 4th floor dormer windows: Replacement of windows to front and rear; Formation of new window openings in side wall of rear closet wing; Excavation of front basement vaults associated with use as habitable accommodation; Installation of plant machinery; and associated external alterations.

Erection of dormer to rear, extension of roof to accommodate stairs to loft to rear, formation of 3 rooflights to front and associated external alterations, in connection with conversion of loft to habitable accommodation.