The site in London bounded by Queen’s Gate, Cromwell Road, Exhibition Road, and the premises of the Science Museum.

The site in Tring lying to the east of Akeman Street and to the north of Park Street occupied at the commencement of this Act for the purposes of the British Museum (Natural History).

The site in Tring lying to the West of Akeman Street known as 67–69 Akeman Street.

The site in South Ruislip known as Government Buildings 18, 19 and 20, at Victoria Road.