通过《环境影响声明》和《机场修建规划》，规划和环境批准已通过，两个文件都在2016年完结。 西悉尼国际机场的工程建设必须遵守严格的环境规定。飞行路线规划等工程还需要根据《环境保护和生物多样性保护法案1999》获得进一步的批准。西悉尼国际机场的修建将遵守法规要求。基础设施和地区开发部是西悉尼国际机场修建工程的监管部门，并负责以下项目： Flight path design Forum on Western Sydney Airport (FOWSA) Planning rail with New South Wales Development approval Biodiversity conservation through offsets Plans Community and Stakeholder Engagement Plan Construction Plan Sustainability Plan Construction environmental management plans Aboriginal Cultural Heritage - CEMP Air Quality - CEMP Biodiversity - CEMP European and Other Heritage - CEMP Noise and Vibration - CEMP Soil and Water - CEMP Traffic and Access - CEMP Visual and Landscape - CEMP Waste and Resources - CEMP
