Complying Development Certificate (CDC) Documentation - CDC Plans and Lodgement-Ready Packages

For projects that qualify, a Complying Development Certificate can replace the two-stage Development Application and Construction Certificate process with a single, faster approval. A CDC is a combined planning and construction approval, assessed against the State Environmental Planning Policy (SEPP) rather than a council's local planning controls. When the documentation meets the criteria, an accredited private certifier issues the certificate and construction can begin.

The documentation required to reach that point is precise, front-loaded, and must demonstrate compliance on every requirement before lodgement. Buildingwise Developments prepares CDC documentation for residential and commercial projects across Newcastle and the Hunter region. The drawing package and compliance documentation are reviewed at every design stage by registered building surveyors and a licensed builder, so that the package submitted to the certifier is complete, accurate, and ready for assessment.

A Complying Development Certificate is a combined planning and construction approval. Unlike a Development Application, which is assessed by council against a Local Environmental Plan and Development Control Plan, a CDC is assessed against the State Environmental Planning Policy. The criteria are fixed at a state level. If the proposed development meets them, the CDC can be issued. If it does not, it cannot. There is no merit-based discretion and no negotiation.

A CDC is assessed and issued by an accredited private certifier. Buildingwise Developments prepares the documentation. The certifier assesses it and issues the certificate. That distinction matters because a certifier has no ability to approve documentation that falls short of the SEPP requirements. The completeness and accuracy of the documentation package directly determines how quickly, and whether, the certificate can be issued.

Once a CDC is issued and a principal certifier is appointed for the project, construction can begin. Because a CDC covers both planning and construction compliance in a single approval, a separate Construction Certificate is not required. This is the meaningful practical difference from the DA pathway, where a Development Application and a Construction Certificate are two separate assessments, each with their own documentation requirements and assessment process.

The CDC pathway is not available to every project or every site. Eligibility depends on the property, the proposed works, and the applicable SEPP criteria. Before any design work begins, Buildingwise Developments confirms whether CDC is a viable pathway. If it is not, the Development Application process is the right approach, and that assessment is made at the start, not after a drawing set has been produced.

Projects That Are Well-Suited to CDC

The CDC pathway is commonly used for:

• New homes, typically one to two storeys, on standard residential blocks
• Secondary dwellings and granny flats, one of the most frequent CDC applications across Newcastle and the Hunter
• Internal alterations, including wall removals, kitchen and bathroom renovations, and fit-outs
• Pools, decks, and backyard structures
• Commercial fit-outs and internal changes to existing commercial premises
• Industrial buildings and additions under the applicable SEPP codes

Each project still requires a site-specific eligibility check. The project type alone does not confirm that the CDC pathway is available.

When CDC May Not Be Available

Several factors commonly rule out the CDC pathway:

• Heritage-listed properties or sites within a heritage conservation area
• Properties affected by high bushfire, flood-affected, high acid-sulphate soils, or mine subsidence constraints
• Sites with significant slope or physical characteristics that affect building envelope compliance
• Development that exceeds the scale, height, or type permitted under the relevant SEPP
• Certain zoning types where Complying Development is not permitted

Where the CDC pathway is not available, the Development Application process applies. Buildingwise Developments prepares documentation for both pathways.

Development Application Documentation →

CDC documentation is more complete at the point of lodgement, than a typical DA drawing package, as it is ready for construction. Whereas a Development Application can proceed with some construction detail deferred to the Construction Certificate stage. A CDC cannot. Both planning compliance and construction compliance must be demonstrated in the one submission, and both must be right before the application goes in.

A CDC documentation package typically includes:

• A site plan with exact calculations of setbacks, floor space ratio, and landscaped area, measured to demonstrate compliance with the specific SEPP criteria
• Fully dimensioned floor plans
• Elevations and sections showing building envelope compliance explicitly against the relevant SEPP height and setback limits
• BCA compliance specifications covering glazing, fire safety, waterproofing, and construction details that would normally be prepared at the CC stage under a DA process
• Structural documentation, which is often required at CDC lodgement, including slab and footing design, earlier in the process than is typical under a DA
• BASIX certificate for energy efficiency compliance
• Water authority approvals where required
• Bushfire Attack Level (BAL) certificate where applicable

The specific requirements vary by project type, building class, and the site. Buildingwise Developments prepares the package to meet the requirements that apply to the specific project.

Feasibility First

Before any design or drawing work begins, Buildingwise Developments assesses the site for CDC eligibility. That includes reviewing the Section 10.7 Planning Certificate for the property, identifying any affectations that may rule out CDC, and confirming that the proposed development type and scale falls within the criteria of the applicable SEPP.

If the site is not eligible, this is identified at the start of the process, before any design direction has been committed to. The project does not proceed under a CDC framework that will not result in an approval. If CDC is available, the documentation is prepared on that basis from day one.

Compliance by Design

Because the SEPP criteria have zero flexibility, a CDC application that does not meet every requirement is returned. A setback measurement that misses the limit by 50mm fails. There is no discretion for the certifier to exercise, and no scope to negotiate a near-miss. The documentation must be right before it reaches the certifier.

At Buildingwise Developments, registered building surveyors and a licensed builder review the design at every stage of its development. On a CDC project, that review covers planning compliance (setbacks, height, site coverage, floor space ratio) and construction compliance (BCA specifications, structural requirements, waterproofing, glazing) simultaneously, because both need to be in order before lodgement.

The result is that compliance issues are identified and resolved during the design phase, when they are straightforward to address, rather than at the point of lodgement when the drawing set is complete and changes are expensive. On a CDC project, where the margin for error at lodgement is zero, that approach makes a significant practical difference to how the process runs.

Consultant Coordination

CDC applications require structural engineering, BASIX certification, and in some cases water authority approvals and BAL assessments, earlier in the process than is typical under a DA. Structural slab and footing design is often needed as part of the CDC lodgement package. Under a DA, that detail is coordinated later at the CC stage.

Buildingwise Developments coordinates consultant involvement as part of the CDC documentation preparation. You do not need to source, brief, or manage consultants independently. The package that goes to the certifier is coordinated, consistent across all documents and consultant reports, and complete.

A Development Application is assessed by council against local planning controls. The process is merit-based. Council planners consider the application against the relevant LEP and DCP provisions and can exercise discretion in their assessment. A CDC is assessed against the State Environmental Planning Policy by a private certifier. There is no merit-based assessment. The project either meets the criteria or it does not.

The approval timeframe is different. A private certifier typically assesses a complete CDC package within 10 to 20 business days. A DA processed by council takes longer, with timeframes varying by council and the complexity of the application. That speed advantage applies to the assessment stage. CDC documentation preparation is more intensive than DA documentation, because both planning and construction compliance must be addressed in the one package, and the detail required upfront is greater. The speed at the back end is a direct result of the thoroughness required at the front.

Where a project is not eligible for the CDC pathway, a Development Application is the right process. Buildingwise Developments can assess which applies to your project and prepare documentation accordingly.

Drawing Packages and council approval plans for Development Application Documentation → prepared with the Construction Certificate pathway in mind, 

Buildingwise Developments prepares the CDC documentation. An accredited private certifier assesses the documentation and issues the Complying Development Certificate.

The certifier's role is to confirm that the documentation demonstrates compliance with the SEPP criteria. Because those criteria are fixed, the certifier cannot issue a CDC where the documentation falls short of any requirement. Complete and accurate documentation is the only basis on which a CDC can be issued.

Buildingwise Developments prepares CDC documentation with that assessment process in mind. Clear, complete, and compliant documentation is the objective.

Buildingwise Developments does not issue CDCs and does not act as principal certifier on CDC projects. If you need a certifier referral, this can be discussed during the enquiry process.

Can I use the CDC pathway for my project?

This depends on the site and the proposed works. Heritage-listed properties, bushfire-affected sites, certain zoning types, and development that exceeds the scale or type permitted under the applicable SEPP are common reasons a project is not eligible. Buildingwise Developments assesses eligibility before any design work begins. An enquiry is the starting point.

Is CDC always faster than a DA?

The approval stage is faster. A private certifier typically issues a CDC within 10 to 20 business days of receiving a complete and compliant documentation package. A DA processed by council takes longer, and timeframes vary by council and application type. The preparation stage for a CDC is more intensive than for a DA, because both planning and construction compliance must be addressed in the one submission. Projects that are well-suited to the CDC pathway and have thorough documentation move through the approval stage quickly. Projects where the documentation is incomplete or non-compliant do not.

What happens if the documentation does not meet the SEPP criteria?

The certifier issues a notice of non-compliance or a request for further information. The documentation must be revised and resubmitted before the CDC can be issued. Unlike a DA, there is no merit-based discretion available to the certifier. The criteria are fixed. This is why accuracy at lodgement is critical, and why Buildingwise Developments reviews CDC documentation for both planning and construction compliance before submission.

Do you issue the Complying Development Certificate?

No. Buildingwise Developments prepares the documentation package. An accredited private certifier assesses the documentation and issues the CDC. That is a distinct role. If you need a certifier referral, this can be discussed during the enquiry process.

What is a Section 10.7 Planning Certificate?

A Section 10.7 Planning Certificate is issued by the local council and records the planning controls, zoning, and constraints that apply to a specific property. It is the primary document used at the start of the CDC eligibility assessment. If you have a current Section 10.7 for your property, it is a useful starting point for your enquiry. If you do not, it can be obtained from your local council.

Buildingwise Developments prepares CDC documentation for projects across Newcastle, Lake Macquarie, Maitland, Port Stephens, Dungog Shire, Singleton Shire, and the broader Hunter region.

For the right project, work extends across broader NSW.