| Reference Number | TPC/5/4/54 |
| Title | Basement Plan, Level 4.00 etc, West |
| Level | Item |
| Date | 12 February 1973 |
| Description | Denys Lasdun & Partners drawing number 552.01/1014 issue I. Original date October 1969. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |