From 1842, Christian Charles Josias von Bunsen leased 4 Carlton House Terrace for the Prussian Legation.

During the First World War, the building was occupied by the American Embassy (as protecting power) between 1916 and 1917, and then the Swiss Legation from 1918 to 1920.

[5] In September 1939, the German Embassy burned its files following the onset of World War II.

The British Fascist Robert Gordon-Canning attracted public attention when at one of these auctions he purchased a large marble bust of Hitler for £500 (equivalent to £27,000 today).

In the 1960s, the West German Embassy was the site of Jewish War veterans who were protesting signs in Germany of a revival of anti-Semitism.