Class 2 Apartment Building Design NSW 2026: DBP Act Compliance Guide for Developers & Architects Class 2 Apartment Building Design NSW 2026: DBP Act Compliance Guide for Developers Architects Author: Franz Phan, Senior Planning Consultant, giantA Pty Ltd Published: July 16, 2026 Reading Time: 14 ... NSW building regulations Residential Projects apartment-design architectural-design class-2-building dbp-act design-practitioner regulated-design Jul 15, 2026