<Ul> <Li> Great Cumberland Place </Li> <Li> Piccadilly </Li> <Li> 98 Portland Place (1863--1866) </Li> <Li> 123 Victoria Street in Westminster (1883--1893) (1893--1912) </Li> <Li> 4 Grosvenor Gardens (1912--1938) </Li> <Li> 1 Grosvenor Square (1938--1960) </Li> <Li> London Chancery Building in Grosvenor Square (1960--2018) </Li> </Ul> <Li> Great Cumberland Place </Li> <Li> 98 Portland Place (1863--1866) </Li> <Li> 123 Victoria Street in Westminster (1883--1893) (1893--1912) </Li>

Who owns the old american embassy in london