| Reference Number | TPC/5/4/95 |
| Title | Upper Theatre and Offices Group Grids E-L Plan at Level 69.50 |
| Level | Item |
| Date | February 1974 |
| Description | Denys Lasdun & Partners drawing number 552/01/3013 issue Q. Original date 13 January 1969. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |