This document summarizes discussions from a workshop on housing and sustainable development. Key points discussed include: - Reminders of lessons from a previous conference on trends, drivers, and impacts of consumption as well as current policy and solutions. - Challenges around policy development and implementation including complexity, lack of information and understanding, weak policies and regulation, and lack of implementation. Solutions proposed were providing information, models, and dialogue and monitoring implementation. - Challenges with technologies including lack of awareness, fear of change, and technology transfer. Solutions included information sharing, demonstration projects, and influencing incentives and funding. - The need to share ideas and experiences more effectively using new media and competitions, and influence behaviors and policies