In 1950, the Soviet Union signed a contract leasing the mansion for 20,000 krone per year. In 1982, the mansion, as well as Kristianiagade 3 (consulate) and Bergensgade 11 (embassy school), were granted to the Soviets, on the basis of reciprocity, free of charge for the purpose of embassy requirements for a period of 70 years, until 31 December 2051.