- Our fothcoming production is the JB Priestly classic An Inspector Calls. This runs from 10 - 15 June more .. Welcome to Erith Playhouse - the largest public theatre in the London Borough of Bexley. We are a non-professional repertory theatre run completely by our members who have a shared interest in performing arts. Find us in Erith town centre on the bank of the Thames. Visit the Playhouse ...www.playhouse.org.uk