State Environmental Planning Policy (Housing) 2021

A group home and all ancillary structures on a site must have a setback from the side boundary of at least the following—

in relation to a group home with a building height of up to 3.8m—0.9m,

in relation to a group home with a building height greater than 3.8m—0.9m plus 25% of the additional building height above 3.8m.

A group home and all ancillary structures on a site must have a setback from the rear boundary of at least the following—

in relation to a group home or an ancillary structure with a building height of up to 3.8m—0.9m,

in relation to a group home or an ancillary structure—

with a building height greater than 3.8m and up to 4.5m—3m from the rear boundary, or

with a building height greater than 4.5m—3m plus an amount that is 3 times the additional building height above 4.5m, up to a maximum setback of 8m.

Despite subsection (2), if the lot has a rear boundary with a lane, the building may be erected within 0.9m of, or abut, the rear boundary for a maximum of 50% of the length of that boundary.