Development Approval vs Building Approval: What’s the Difference?

“Do we need a DA, a BA, or both?” is one of the most common questions clients ask when planning their project.

The confusion is understandable. Both involve plans, applications and approvals, but they answer different questions. Development Approval looks at whether your proposal meets the planning requirements for your property. Building Approval looks at whether the proposed building work meets the relevant building requirements. One does not replace the other.

Official reference: QBCC — Council or certifier: Who approves what?.

Start with planning, then building requirements

For this guide, we use DA to mean Council planning approval and BA to mean approval for the building work. You may also hear DA used to mean development application — the application submitted to obtain planning approval. A BA is formally a building development approval, which is one reason the terminology can become confusing.

Development Approval — does the proposal suit the site?

A DA assesses your proposal against the relevant planning requirements. In Brisbane, this means checking Brisbane City Plan 2014, including your property’s zoning, neighbourhood plan and applicable overlays. These help determine what development can occur and the requirements it needs to meet.

For a homeowner, this might involve an extension to a character house, demolition of part of an existing home, or work affected by an overlay. Whether a DA is needed depends on the property and the proposed design — not simply whether you are renovating or building new.

Official reference: Brisbane City Council — City Plan online.

Building Approval — does the building work comply?

A BA assesses the building work against the applicable building requirements, including the National Construction Code and Queensland Development Code. These address matters such as safety, health, amenity and sustainability.

A licensed building certifier assesses the detailed plans and supporting documentation. Depending on the project, this can involve structural design, fire safety, waterproofing, ventilation and energy efficiency. The certifier also has a role in inspections and certification as construction progresses.

Official references: Business Queensland — Role of building certifiers and Queensland Development Code.

Development Approval vs Building Approval

The important distinction is between planning permission and building compliance. Both need to be considered, even when only one requires an application.

Not every project needs both

Some Brisbane projects are accepted development under the planning rules. Where the relevant requirements are met and no other planning trigger applies, a separate DA may not be needed. A new house can fall into this category and still require Building Approval.

An extension to a character home, on the other hand, may require planning assessment as well as Building Approval. Even within a character overlay, some specified minor works may not need a DA. The overlay is a reason to check the requirements carefully, rather than assume every change follows the same approval process.

“No DA required” does not mean “no approvals required”. Building Approval and other permissions, such as plumbing approval or a Council referral response, may still be necessary.

Official references: Brisbane City Council — Extensions, raising or renovations and Heritage and character properties.

Which approval comes first?

Where a separate planning approval is required, it needs to be obtained before the building certifier can issue the Building Approval for that work. Detailed design and consultant input can be coordinated along the way, but the building documentation needs to reflect the approved planning outcome.

This is why we start by understanding the site and the approval pathway. Resolving the planning questions early helps avoid developing construction details around a proposal that still needs to change.

Receiving a DA is an important milestone, but it is not the signal to start building. The required Building Approval, other applicable permissions and any relevant pre-start conditions must also be addressed before work begins.

How we help you navigate approvals

We take a feasibility-led approach: checking your property’s planning controls early, developing a design that responds to the site, and coordinating with the consultants required for your project. We prepare the building design documentation and work with the relevant professionals through the approval process. This applies to all our projects, whether you’re planning renovations and extensions, a raise and build under or a multi-dwelling project such as a townhouse or duplex, where zoning and site requirements shape what can be built.

You do not need to become an expert in planning terminology before getting started. Our role is to help you understand what your project needs, what happens next, and how the approval requirements influence your design. For more background on the official sources, see our Planning & Approval References guide.