State Environmental Planning Policy (Exempt and Complying Development Codes) 2008
2.82 Development standards
The standards specified for that development are that the
development must:(a) be free standing, and
(a1) be located at least 20m from any road boundary and 5m from each
other lot boundary, and
(b) be designed by a professional engineer.
Note. There are other existing legislative requirements relating to the
clearance of power lines and Obstacle Limitation Surfaces near airport flight
paths.