| Reference Number | TPC/5/4/7 |
| Title | National Theatre and Opera House, Lower Auditorium, Roof Plan |
| Level | Item |
| Date | September 1968 |
| Description | Denys Lasdun & Partners drawing number 552/1049/7 issue C. Original date July 1968. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |