Roofing contractors, our experienced certifiers can support you to meet the legal requirements for re-roofing projects. We partner with engineers to get your re-roofing certification sorted quickly, so you avoid a headache down the line.

In 2017, the Queensland Building and Construction Commission (QBCC) clarified the building regulations regarding re-roofing work.

Building approval is required when the repair work involves more than 20% of the roof system. BA&A specialises in re-roofing and implementing these requirements.

Get in touch so we can help you have commonly requested documents like Form 21 and decision notice ready to hand over as proof of compliance


We give our high turnover re-roofing clients the opportunity to take control of their building approvals. Save time and hassle with the BA&A online portal: 

  • Submit your own application (allowing us to invoice right away) 

  • Check on project status  

  • Upload documents quickly (certificates, photos) 

  • Download your approval and final documents 


Documentation required to get started

  • Site plan 

  • Form 15 – Engineering 

  • Engineering plans 

  • QBCC insurance (residential re-roofing only)


CP Cowie Builders

"A seamless process. It's good that BA&A never need to be chased - they deliver a quick turnaround"

Terms you need to know


Form 21: this is the final certificate issued by the certifier to the owner and Council in order to finalise the building application.

Take the info with you

We've created a set of resources for each of our services to help keep you informed about the process, while you're out and about or meeting with designers, builders and engineers.


Are you in the industry?

Give the re-roofing brochure and re-roofing approval tips below to your clients to keep them informed or contact us for a printed version to hand out at meetings. 

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