You may still need BA to refinish certain exterior items to buildings or structures.

Examples of work that needs BA include:

  • replacing a roof
  • changing a lightweight cladding system from one type of system to another.

Examples of work that don't need BA include:

  • replacing a roof tile
  • rendering over an existing wall system (such as brick) ensuring:
    • weepholes are not blocked or
    • the building complies with the building code above minimum requirements.
  • adding lightweight fixtures to the building that maintains its compliance with the building code. Examples include the following, ensuring to meet the Electrical Safety Act 1971 and the Water and Sewerage Act 2000:
    • security screens
    • cameras
    • lights.
  • adding a lightweight decorative trim or feature that maintains the building's compliance with the building code.

Also see: refinishing external appearance DA exemptions.