Relevant rules in the Regulation:

  • Schedule 1, Part 1.4, Division 1.4.1, section 1.21 and 1.22.

Some examples of installing, altering or removing external doors and windows include:

  • bricking up an external window
  • enlarging a window
  • converting a window to a sliding glass door
  • converting a window to double doors, and
  • cutting an external wall to create a doorway or install a window.

You won't need DA approval to install, alter and remove external doors and windows if it involves no more than the following:

  • replacing a door or window without changing the width of the opening in the wall
  • only increasing the height or width of the door or window by no more than 340mm
  • reducing the height or width of the window or door
  • installing a wall to replace the door or window, or a part of the door or window
  • the change is more than 1.5m away from a side boundary or 3m from a rear boundary
  • installing a new door or window less than 2m wide in an exterior wall, that is less than 1m above datum ground level (low impact), and
  • it complies with relevant general exemption criteria.

High-impact windows may be exempt if they follow Section 1.22 of the Regulation.

Also see: external doors and windows BA exemptions.