Relevant rules in the Regulation:

  • Schedule 1, Part 1.4, Division 1.4.1, Section 1.27.

A chimney, flue or vent doesn’t need DA approval if it:

  • penetrates or is attached to the building's roof, and
  • doesn't extend more than 1.5m above the lowest point of the roof where the chimney, flue or vent penetrates/attaches to.