Fraser Bond are the leading lettings and property management agents for United House - London W11. United House is a commercial building in Notting Hill Gate, London W11. History 2016 September - Planning permission for the recladding of United House at first to third floor levels; installation of two additional storeys at fourth and fifth floor levels to provide office (use class B1) floor space; change of use of part ground, first, second and third floor to office (use class B1) floor space; installation of two extensions adjacent to Campden Hill Tower at second floor level to provide.