The Graduate Diploma in Sustainable Built Development is an advanced postgraduate qualification at Australian Qualifications Framework (AQF) Level 8, designed to equip professionals with the knowledge and skills to apply sustainability principles to the planning, design, construction, and management of the built environment. Typically completed in one year full-time or two years part-time, the program bridges the gap between conventional built environment practice and the urgent demands of sustainable development, covering areas such as energy efficiency, climate change adaptation, sustainable materials, water management, environmental policy, and green building certification systems such as Green Star and NABERS. The interdisciplinary nature of the course means graduates emerge with a holistic understanding that spans architecture, engineering, urban planning, environmental science, and building management.

Most Australian providers require applicants to hold a recognised bachelor's degree (AQF Level 7 or equivalent) from a relevant discipline. Relevant fields typically include built environment disciplines such as architecture, construction management, civil or mechanical engineering, urban planning, interior design, property economics, landscape architecture, or environmental science. Some institutions also consider applications from graduates in adjacent fields such as environmental management, project management, or public policy, particularly where the applicant can demonstrate relevance to the built environment. Applicants whose undergraduate qualification was completed more than 10 years ago may be required to provide evidence of ongoing professional development or practice in a related field.

Where applicants do not hold a formal undergraduate degree, significant professional experience may be considered as an alternative pathway. Typically, a minimum of three years of substantial work experience directly related to energy efficiency, sustainability, building and construction, or a closely allied profession is required. Applicants seeking entry via this pathway are generally asked to submit a current CV and a personal statement detailing the nature and scope of their professional experience. No specific prerequisite subjects or a portfolio are typically mandated, though some institutions may ask for evidence of academic capability through a credit average (approximately 65 WAM) in prior studies, particularly where students intend to articulate into a master's program.

For international students, English language proficiency requirements must be met. The standard benchmark across Australian providers is an overall IELTS score of 6.5 (with no band below 6.0), or equivalent scores in PTE Academic, TOEFL iBT, or Cambridge C1 Advanced. Some universities may accept completion of an approved English pathway program in lieu of a standalone IELTS score. International students are strongly encouraged to verify the specific English language requirements of their chosen institution, as these can vary slightly between providers.