DDEG’s expert building consultants help you overcome complex compliance challenges with performance-based building solutions.
We deliver expert hydraulic engineering for safe, compliant water management. Our team specialises in roof and stormwater drainage, sanitary systems, and water supply.
We help prevent water damage and ensure smooth approvals from concept to completion.
Our façade engineering specialists bring complex building envelope designs to life. We provide technical guidance, performance solutions and certification for curtain walls, window walls and cladding.
Our work balances architectural vision with buildability, durability and compliance.
Our waterproofing solutions protect your building from water ingress, including below-ground retaining walls, above-ground surfaces and wet areas.
As the Building Code lacks prescriptive provisions for below-ground construction, a performance solution is required for compliance.
We improve the overall comfort of your building through solutions that optimise lighting, ventilation and condensation management, providing a healthier indoor environment.
Our team helps you navigate the complex regulatory landscape, ensuring compliance with building codes, safety standards and sustainability goals.
Our façade engineering specialists bring complex building envelope designs to life. We provide technical guidance, performance solutions and certification for curtain walls, window walls and cladding.
Our work balances architectural vision with buildability, durability and compliance.
Our performance solutions prioritise safety and accessibility in buildings with challenges like ceiling heights or stair dimensions.
We ensure compliance with safety standards while maintaining ease of movement throughout the building.
We offer certification and peer review services for performance-based solutions developed by other consultants across Australia.
If you need product certification advice, an expert witness or help responding to a building notice or building order, we can help.
Performance-based solutions allow creative freedom while meeting code requirements.
Avoid expensive redesigns and delays with early, expert advice.
Our technical justifications ensure your project passes regulatory approval smoothly.
Optimise performance, durability and compliance for long-term building value.
Our building solutions improve safety, health and amenity for all users.
Thousands of successful projects across the commercial, residential, education, and healthcare sectors.
Seamless collaboration with our fire safety, façade, access, acoustics and ESD specialists for holistic solutions.
Fast proposals, clear communication and ongoing support at every stage of the project.
Local insight with national reach, ensuring compliance wherever you are.
Our team brings deep technical knowledge of building codes, standards and compliance pathways.
3,000+
Successful
Projects
5+
Years in
operation
25+
Professional
employees
7+
Locations in
Australia
Collaboration
We partner with architects, building surveyors and construction teams to ensure compliance without sacrificing creativity.
Innovation
Our team develops unique pathways to compliance using advanced engineering and out-of-the-box thinking.
Service
We prioritise your deadlines, providing prompt, reliable advice and clear communication at every stage.
Expertise
With specialist knowledge across all building disciplines, we deliver tailored solutions for projects of any scale.
Here’s how we work together to achieve compliance while maintaining your design integrity and vision.
Tell us about your overall goals and building compliance challenges.
Receive a fast, tailored and transparent proposal.
We analyse your project’s background so we can deliver a precise, effective solution.
We outline a performance-based pathway tailored to your needs.
All key parties are engaged early for alignment and smooth approvals.
Our consultants handle all modelling, calculations and documentation for you.
Receive a robust, regulator-ready report for building approval.
We’ll submit the final documentation to the authorities, ensuring approvals without any last-minute surprises.
We provide a seamless handover, ongoing support and maintenance to ensure long-term compliance and performance.
Our experienced leaders are qualified and experienced engineers and building consultants. They are closely involved in every project, providing guidance and oversight to ensure we exceed your expectations. Their hands-on approach ensures that you benefit from their expertise at every step.
Members of our team are registered with these organisations.
Members of our team are accredited by these organisations.
DDEG is proudly ISO certified.
Architects, building surveyors, and project managers: to unlock compliance pathways and preserve design intent.
Building surveyors and certifiers: to provide robust technical justifications and streamline approvals.
Developers and property owners: to resolve compliance challenges and protect long-term asset value.
Government bodies and councils: to ensure public projects meet the highest standards.
Retailers and commercial property managers: to ensure safety and amenity through innovative design.
| Client | Hacer Group |
| Sector | Retail |
| Location | Chadstone, Victoria |
| Discipline | Building solutions Accessibility consulting |
| Services | Performance solutions, Waterprooofing design advice |
DDEG provided expert advice on disability access, waterproofing, and weatherproofing, considering factors like zero-threshold access, DDA compliance, and effective drainage.
Performance-based building solutions use engineering and technical justifications to achieve compliance when standard code provisions don’t fit your project’s needs.
Our performance-based building solutions allow you to achieve compliance without compromising design intent. Our techniques justify alternative solutions, helping you retain ambitious architectural features or achieve cost-effective construction while streamlining the approval process.
Early engagement helps identify compliance pathways, avoid costly redesigns, and streamline approvals—saving you time and money.
Our fees are very competitive and tailored to the complexity and requirements of your project. We provide clear, upfront proposals with no hidden costs, and we’re always happy to discuss options to suit your budget and timeline.
Absolutely. We specialise in both new builds and complex refurbishments, including heritage projects, delivering tailored compliance strategies for every scenario.
We typically need your architectural drawings, a project brief, and any known compliance challenges. Our team will guide you through the process.
We aim to deliver clear, tailored proposals within 1-2 business days of receiving your project details.
Yes. DDEG is fully registered to practice across Australia and holds comprehensive professional indemnity insurance for all performance solutions.
Yes. We’re with you from initial concept through to final approval and beyond. We offer ongoing advice and support through construction and occupancy to ensure your building remains compliant and safe.
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