Amalgamation of the ground and first floor maisonette, with the second floor flat, the third floor and part of the fourth floor penthouse to create a single family dwelling house, creation of separate self-contained four bedroom flat at fourth floor level (accessed via 19M Hyde Park Gardens). Demolition of existing extension at ground and first floor, installation of replacement windows at ground, first, second and third floors, demolition of crittal doors and terrace at fourth floor and roof level, erection of mansard roof with dormer windows and parapet, demolition of roof access and rendered chimney and erection of lift motor room at roof level (linked to 20/08323/LBC).

Amalgamation of four apartments to single family dwelling, the demolition and rebuilding of rear wall and four storey closet wing with full width lower ground floor and glazed extension at ground floor, and the installation of new dormer windows to replace existing.