Structural Design Engineering Brisbane, Logan & Ipswich
Thinking of building a new home, extension, or carport? You’ll need more than just plans—you need structural drawings that tick every box for council and your certifier. That’s where we come in.
At DNR Engineering Services, we specialise in residential structural design, working closely with homeowners, builders and developers across Brisbane, Logan and Ipswich. Our team of RPEQ-certified engineers ensures your project is structurally sound, compliant with Queensland standards, and ready for construction.
What We Design
We provide structural design and drawings for:
- New homes and dual occupancies
- House extensions and renovations
- Carports, patios, and pergolas
- Retaining walls and footings
- Load-bearing wall removals
- Slabs, steel frames, timber framing and more
Every design comes with detailed engineering drawings and Form 15 certification—ready to go for council lodgement or your private certifier.
Why Use a Structural Engineer for Your Design?
Getting the design right from the start avoids costly changes or knockbacks later. Our team:
- Works with your architect or designer
- Makes sure everything meets the National Construction Code (NCC)
- Designs for local site conditions (like reactive clay or flood zones)
- Provides easy-to-read plans your builder will thank you for
We’ll also flag anything we think needs extra attention—no cutting corners, no surprises later.
Our Process
Here’s how we handle structural design projects:
- Initial consultation – You send us your plans or sketches
- Site check or desktop review – Depending on the job and council
- Structural design & calculations – Completed by RPEQ engineers
- Drawings + Form 15 issued – Signed and ready for submission
- Support during build (if needed) – We’re here if questions pop up
Who We Work With
- Homeowners planning DIY builds or extensions
- Builders needing fast turnaround and clear drawings
- Designers or draftees needing engineering collaboration
- Developers or investors working with multiple trades
At DNR Engineering Services, we specialize in a wide range of structural engineering services, including
quality Services
Structural Engineering Services Across Brisbane, Logan & Ipswich
Looking for reliable help with your build, inspection or council approvals? We provide expert structural engineering services across South East Queensland—backed by over 20 years of experience and RPEQ certification. Whether you’re planning a new build, buying a property, or need reports for approval, our team is here to help.
Structural Design Engineering
We provide custom structural design services for residential builds, home extensions, retaining walls, patios and carports. All drawings and calculations are prepared and signed by RPEQ engineers, ensuring full council compliance and peace of mind for your builder.
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Structural Inspections
Our team carries out thorough structural inspections across Brisbane, Logan and Ipswich for homes showing cracks, sinking or movement. You’ll get a clear, no-nonsense report that identifies the issue and outlines your next steps.
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Form 12 & Form 15 Certifications
We issue Form 12 and Form 15 certificates for structural design and completed works. These documents are required for council sign-off and must be completed by an RPEQ-certified structural engineer in Queensland.
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Dilapidation Surveys
Our dilapidation reports document the condition of neighbouring properties before nearby excavation or construction work. Ideal for builders and developers, these reports help protect against damage claims and provide legal protection.
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Remedial Inspections
If your structure has shifted, cracked or failed, our team can provide a remedial structural inspection to assess the issue and recommend safe, cost-effective repairs. Reports are clear and practical—ready for your builder or contractor.
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Pre-Purchase Reports
Buying a house or investment property? Our pre-purchase structural reports give you a clear picture of the structure’s condition before you commit. Know the risks upfront and avoid costly surprises later.
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Technical Reporting & Documentation
We prepare detailed engineering reports and technical documents for private certifiers, council applications and insurance purposes. Everything is signed by an RPEQ engineer and tailored to your project needs.
Explore moreWhether you’re building, buying, or sorting out an issue, DNR Engineering provides practical, reliable structural advice—backed by local experience and RPEQ certification. We work across Brisbane, Logan and Ipswich and we’re ready to help with your next project.
Need help with inspections, certifications or engineering reports?

