What is State Environmental Planning Policies (SEPP)? Definition or Meaning

‘State Environmental Planning Policies (SEPP) definition:

Policies prepared by the Department of Planning and Environment dealing with land use and urban and regional development in a state-wide context. However, they may deal with specific sites that have state significance or provide a legal framework for a specific planning issue. SEPP can also act as standalone planning law, having legal force, such as the SEPP for Exempt and Complying Development. SEPP have been designed to free up the planning process and expedite development.