https://www.rfs.nsw.gov.au/plan-and-prepare/1050-vegetation-clearing/tool
Use the link to check if your property is in a 10/50 area and then go to https://www.rfs.nsw.gov.au/plan-and-prepare/1050-vegetation-clearing for more info on the regulation and some changes that have been made to the Code of Practice.
Being in a 10/50 area allows you to independently deal with potentially hazardous trees on your property without the need to contact Council.