The Oast Theatre was opened on 20 April 1974 by Lady Rupert Nevill.

The extension was opened by Prince Edward, who attended a performance of Children of a Lesser God.

A further extension in 1997 provided improved dressing room and additional storage facilities.

[7] In January 2010, the theatre was granted planning permission for an extension of an ancillary storage building.

[2] The theatre plays host to an annual art exhibition held in the Janet Young Room.