Groundlings Theatre in Kent Street, will be displaying 11,000 costumes, plus props, at a costume exhibition on Friday, September 7.
The costumes have been either made forÂ or bought from the BBC, Royal Opera House, National Theatre andÂ West End, among others.
Technical director Richard Stride said: '˜OurÂ wardrobe depart is real life Aladdin's cave.
'˜You never know what you going to find '“Â and it isÂ the heartbeat of theatre.'
Entry to the exhibition will be free, with visitors able to come and take a look from 1-4pm on the day.