NSW Exempt Development, CDC and DA Explained

NSW residential projects often start with one question: do I need council approval?

The practical answer usually sits in one of three NSW pathways: exempt development, complying development, or development that requires consent through a development application.

This is general information only, not legal advice.

NSW uses a risk-based approval system

NSW Planning describes a risk-based approach to development. Smaller, lower-impact work may have a simpler pathway, while larger or more impactful work may require fuller assessment.

For small residential projects, the common pathways are:

• Exempt development
• Complying development
• Development consent through a DA

Exempt development

Exempt development is minor work that may not need planning or construction approval if it meets the relevant standards. Examples can include some small decks, fences, sheds, and other low-impact works.

The key is compliance with the standards. If the project falls outside the limits or the site has exclusions, it may not be exempt.

Complying development certificate

Complying development is a fast-track pathway for work that meets preset standards. Approval is given through a complying development certificate, commonly called a CDC.

A CDC can be faster than a full DA, but it is still an approval. The project must meet the standards and conditions for that pathway. If the labels are still confusing, the plain-English breakdown in exempt development vs complying development vs DA compares all three side by side.

Development application

A development application is required where development consent is needed. Council or another consent authority assesses the application against planning controls and likely impacts.

A DA may be needed when work is larger, more complex, outside preset standards, or affected by site constraints.

What to check before using the NSW Planning Portal

Before lodging or advising a customer, collect:

• Address
• Council area
• Project type
• Dimensions
• Height
• Setbacks
• Site constraints
• Plans or sketches
• Whether neighbours, privacy, drainage, trees, or heritage may be affected

This helps you avoid choosing the wrong pathway too early.

How ApprovalPath helps

ApprovalPath gives customers and tradies a plain-English report with the likely pathway, property constraints, documents, and next steps. It does not replace council or professional advice, but it helps everyone start with better information.

Sources checked

• NSW Planning: Do I need consent from my council?
• NSW Planning: Planning approval pathways