| Reference Number | TPC/5/4/614 |
| Title | Lower Theatre Control Rooms and Balcony Soffite |
| Level | Item |
| Date | 21 October 1970 |
| Description | Denys Lasdun & Partners sketch number 552/SK29.7.70/1 issue A. Original date 29 July 1970. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |