Cumberland Council (NSW) setback requirements

This was on google.
Development controls
2.3.1 Front setback
D1 New buildings within residential areas shall adhere to a front building line, which is 5.5-6m to the street frontage.
D2 Where a new building is located on a corner, the main frontage shall be determined on the basis of existing subdivision and streetscape patterns. If the main frontage is more than 12m, the setback to the secondary frontage shall be at least 3m. If the main frontage is less than 12m, the setback to the ‘secondary’ frontage shall be at least 2m.
D3 Dwellings shall align with the street. Corner dwellings shall address both streets through appropriate design.
D4 Garages and carports shall be setback a minimum of 1m behind the primary building line.
D5 Balconies, porticos, entrances shall not intrude more than 600mm into any setback and ground floor terraces and entrances structures shall not protrude more than 1.2m into the setback.
2.3.2 Side setback
D1 The external walls of all dwellings shall be a minimum of 900mm from a side boundary.
2.3.3 Rear setback
D1 For a detached dwelling or an attached dual occupancy the rear setback shall be a minimum of 10m.
D2 For a detached dual occupancy, the distance between each of the dwellings shall be a minimum of 7m.
D3 For a detached dwelling or dual occupancy on a corner site the Council shall assess the rear setback on a merit basis giving consideration to the performance criteria in this Part.

Or this link seems relevant.
https://www.cumberland.nsw.gov.au/sites ... s-2021.pdf