LDC/CD/7/2
Alderstone House
31/03/1971 - 30/09/1981
LDC/CD/7/3
01/10/1981 - 21/06/1983
LDC/CD/7/4
05/07/1983 - 27/06/1986
LDC/CD/7/5
03/07/1986 - 27/10/1988
LDC/CD/7/6
Alderstone House also plans etc.
12/10/1988 - 09/12/1991