Inter-war industrial building, The Crescent, Annandale (demolished). Photo: Matt Stone, 2010. CONTACT US Subscribe to our mailing list You’ll receive email updates about our program of heritage walks and talks. Simply complete your details below. First Name Last Name Email address: Leave this field empty if you're human: General Enquiries Please contact:Gail Conder gail@twentieth.org.auLike to join as a member? Simply visit our membership page. Postal address:Twentieth Century Heritage Society of NSW & ACT, Inc. P.O. Box Q1072QVB Post OfficeSydney, NSW 1230Australia. WebsiteWebmaster: matt@twentieth.org.auDesign: Khim Stone, Octant DesignHosting: CT Group FOLLOW US: Facebook Instagram