Fraser Bond are the leading lettings and property management agents for Astley House - London W11. Astley House is a development in Notting Hill Gate; London W11. The building is right next to Notting Hill Gate underground station (District and Circle Line). History 2016 - Planning permission for re-cladding of existing building at first to third floor levels; installation of an additional storey of Use Class B1 (office) floor space at fourth floor level to provide an uplift of 1,251 sq. (GEA) of class B1 office floor space; provision of a new bin and cycle store; installation of plant; and.