About Us – Theatre Zone At Theatre Zone, we believe your home deserves more than just a TV and speakers — it deserves a cinematic experience. Based in Castle Hill, NSW , we’ve spent over 20 years helping homeowners across Sydney and Australia transform everyday rooms into stunning, fully immersive home theatres . We specialise in custom installations featuring Dolby Atmos surround sound , 4K projection , acoustic design , cinema seating , and Control4 smart automation . Whether you’re building, renovating, or upgrading, our expert team handles every detail — from design to delivery — with clean, professional workmanship. Our mission is simple: to deliver entertainment spaces that look amazing, sound incredible, and feel effortless to use. At Theatre Zone, we don’t just install gear — we bring your vision to life.