Theatres Brentwood, Chelmsford - Welcome to the directory of Brentwood Theatres and playhouses in Brentwood. It lists theatres and playhouses who offer shows and musicals. Find business details, ratings and reviews of your local playhouse or theatre in Brentwood, Chelmsford and write your own review. Are you a playhouse in Brentwood? Why not advertise your shows business on the Brentwood Business Directory – IT'S FREE!