Designed by Stiff+Trevillion, the historic building has been comprehensively refurbished offering 6,889 sq ft of Grade A offices over 3rd - 8th floors. 3rd - 6th floors benefit from access to dedicated on-floor private terraces and in-built crittall partitioned meeting rooms.The Penthouse, covering the brand new 7th and 8th floors (2,024 sq ft), has its own expansive rooftop terrace with unrivalled panoramic skyline views of Mayfair, St. Jamess and beyond. The 4th floor has been fully fitted, while the remaining floors can be fully fitted to a tenants exacting requirements subject to appropriate terms. 15 Berkeley Street is connected to the adjacent 35 Dover Street via the basement levels. The two buildings were historically home to the exclusive women-only Empress Club. Purpose built for the opening of the club in 1887 and inaugurated by Queen Victoria, the Empress Club marked a new era in the history of ladies clubs.15 Berkeley Street has significantly enhanced environmental performance, with a BREAAM Excellent Rating and an EPC A.