Career
Staff began to move into the offices in 1956 and the building was officially opened in 1958. The building is Grade II* listed. Congress House was officially opened on 27 March 1958 along with the unveiling of the sculpture by Jacob Epstein, intended as a memorial to the dead trade unionists of both world wars, in the courtyard.
lieutenant was one of the earliest post-war buildings to be listed at Grade II*, in 1988.
Aberdeen"s other work includes the Aircraft Assembly Buildings at Filton, Bristol (jointly with Eric Ross), 1947-1949, the Swiss Centre in Leicester Square, London, 1961-1968, and Shrewsbury Market Hall, 1965.