Sustainable building and urban living space issues are complex and broad subject matters. The Study reported here is only one of the initiatives under the Government of Hong Kong SAR to address the notion of sustainable urban living space which is widely demanded-for improvement. The quality of urban living environment in general such as urban air ventilation, heat island effect, urban greenery and pedestrian environment are significant “local issues” that affect livability and our health. The Study formulates a number of recommendations regarding building permeability and separation, building site coverage and greenery; only urban air ventilation recommendations of the study will be reported in this paper. As of May 2009, the recommendations are being publicly debated in Hong Kong. Upon the completion of the consultation process by the end of 2009, the government of Hong Kong is going to formulate policies and strategies to implement the recommendations.