Room for co-working space in parts of the dressing room block.
The main auditorium could be divided to reduce its size and create other smaller spaces for film, lectures etc.
Rehearsal spaces, event spaces, meeting rooms
Room for events, recording, rehearsal etc.
A balcony bar?
Bar, cocktail bar and event space.
Flexible arrangements for different types of shows. Perhaps a pop-up “clear cube” theatre with a smaller stage inside. But with access to a full stage as needed.
With the safety curtain in, this can be a full height “west-end” rehearsal space, or a studio theatre. With the safety curtain out, a full size stage for the auditorium.