A good place to start is the Department of Planning, Industry and Environment’s fact sheet. There is also information from the NSW Government regarding getting approval for a home business.
Home enterprises that do not meet the criteria for exempt and complying development would need to obtain development consent via a Development application.
When preparing a development application for a home enterprise it is recommended that you seek advice from industry professionals who are experienced in application requirements as there are often many factors that need to be considered and requirements can vary from site to site.
Industry professionals to consult may include building designers, architects, town planners, land surveyors, engineers, bushfire consultants, ecologists, flood consultants etc.
Please note that developer contributions may apply to applications for some home enterprises.