Complex sentence: A second phase of development began in 1979, architected by Richard Seifert & Partners, which added of office space along the front of the station, consisting of three low-rise office towers overlooking Melton Street and Eversholt Street.
Split into simpler sentences: A second phase of development began in 1979, designed by Richard Seifert & Partners. It added of office space along the front of the station, consisting of three low-rise office towers overlooking Melton Street and Eversholt Street.