Does a dual occupancy require a separate Building Approval after Development Approval?
Yes. A new dual occupancy generally requires a separate Building Approval (BA) after Development Approval (DA).
The DA provides planning approval, while the BA assesses the detailed building work against the Building Act 2004, applicable building regulations and the National Construction Code (NCC). A licensed building surveyor is appointed as the certifier for the BA process.
Reference: ACT Complying with your development approval – https://www.planning.act.gov.au/applications-and-assessments/development-applications/complying-with-your-development-approval
Short Answer
Yes. A new dual occupancy generally requires a separate Building Approval after DA approval and before construction begins.
Detailed Explanation
Yes. Construction of a new dual occupancy involves building work that is generally subject to the Building Approval process under the Building Act 2004, unless a specific building-work exemption applies.
Building Approval is separate from Development Approval. ACT Planning confirms that most building work requires approval under the Building Act 2004, and the current approved forms include an “Appointment of a certifier – application for building approval” and minimum documentation requirements for Class 1 residential construction.
No minimum block size does not remove the need for planning assessment.
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