Diorama Arts Cooperative (DAC) was a mixture of actors, artists, dancers, designers, journalists, musicians and therapists that used The Diorama, Regent's Park between the years 1976 and 1992. In September 1981 DAC incorporated as the charity Diorama Arts Centre Ltd.. Christmas 1992 saw Diorama Arts Centre Ltd. leaving the building as landlord the Crown Estate Commissioners (CEC) and Camden Council (CC) relocated the organisation to a new development close by in Osnaburgh Street. The Old Diorama Arts Centre (ODAC), based at Regent's Place campus, continues the DACL at the present time.