DDEG’s ESD engineers and consultants ensure your building is designed to meet today’s sustainability standards while optimising long-term energy efficiency, reducing environmental impact and delivering tangible cost savings.
Whether you’re designing a new build or upgrading an existing asset, we make sustainable building design simple, actionable and compliant.
We help you achieve Green Star certification, BESS assessments, or NatHERS ratings, guiding you through each step of the process with ease.
Our comprehensive energy analysis identifies opportunities for improving energy efficiency and meeting Section J requirements.
Improve natural lighting while mitigating solar heat gain through precise daylight modelling analysis that boosts energy efficiency and liveability.
We use the Model for Urban Stormwater Improvement Conceptualisation (MUSIC) to model and maximise water-sensitive urban design goals.
We develop comprehensive waste management plans that document waste collection frequency, waste generation rate, bin size, number of bins and waste initiatives.
Ensure optimal indoor environmental quality with strategies for thermal comfort, ventilation and air quality, keeping occupants comfortable and healthy.
Our Computational Fluid Dynamics (CFD) simulations help you evaluate ventilation efficiency, ensuring optimal indoor air quality and energy performance.
Promote sustainable transport options by encouraging walking, cycling, and public transport use for building occupants.
Early detection of leaks and vulnerabilities avoids expensive repairs and damage after fit-out.
Reduce carbon emissions, conserve resources, and support Australia’s transition to a low-carbon future.
Achieve better energy efficiency, lower operating costs and increased occupant comfort.
Integrate sustainable practices early to reduce long-term costs and adapt to changing regulations.
Sustainable buildings are more attractive to tenants, buyers and investors and can enhance your return on investment.
Ensure your project meets all regulatory requirements while advancing beyond basic sustainability standards.
Successful sustainable building design for commercial, residential, education, healthcare and public projects.
Our ESD solutions can preserve design intent while justifying compliance with alternate performance pathways.
Seamless collaboration with our fire, façade, building, accessibility and acoustics teams for holistic project outcomes.
From first enquiry to final certification, we handle the technical details and keep things moving, so you can focus on delivering a building you’re proud of.
As an Australian-owned firm, we understand the nuances of local codes and climate zones, ensuring your project is future-proofed and fully compliant wherever you build.
70+
Successful
Projects
2+
Years in
operation
16+
Professional
employees
7+
Locations in
Australia
Collaboration
We work closely with architects, designers and project teams to embed sustainability seamlessly into your vision.
Innovation
Our ESD engineers use advanced modelling and creative problem-solving to deliver practical, effective solutions for every project.
Service
We understand the pressures of tight deadlines and evolving requirements. That’s why we provide prompt, reliable advice, clear communication and responsive support from concept to certification.
Expertise
With deep knowledge of Australian sustainability standards and a proven track record across all sectors, our team delivers practical, high-performing ESD solutions for projects of any scale.
Here’s how we work with you to achieve your sustainability targets while supporting your design vision at every stage.
Tell us about your overall goals and ESD 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.
We’ve delivered environmentally sustainable design solutions for projects of every scale. This includes boutique developments, large commercial precincts and complex refurbishments across Australia’s diverse climates and regulatory landscapes.
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 accredited by these organisations.
DDEG is proudly ISO certified.
Architects, designers and project managers: to streamline approvals and embed sustainability in every design.
Building surveyors and certifiers: to provide robust, regulator-ready ESD reports and ensure smooth approvals.
Developers and property owners: to enhance asset value, reduce risk and future-proof investments.
Government bodies and councils: to deliver public assets that meet ambitious sustainability targets.
Contractors and builders: to support construction-phase compliance and deliver on sustainability commitments.
| Client | Lyons Architects |
| Sector | Community and event |
| Location | Glen Waverley, Victoria |
| Discipline | Environmentally Sustainable Design (ESD) |
| Services | ESD life cycle assessment, Green Star and Section J energy modelling |
From concept to completion, we provided expert ESD advice and guided the project team through the Green Star certification process.
Our hands-on approach ensured sustainability targets were not only ambitious, but achievable — delivering a civic precinct that sets a new benchmark for environmental performance.
ESD is a holistic approach to building design and operation that minimises environmental impact, conserves resources and enhances occupant wellbeing.
ESD performance solutions are tailored, technical justifications that demonstrate how your building meets the sustainability goals and performance requirements of the National Construction Code, even when your design doesn’t fit standard prescriptive rules.
Instead of following a one-size-fits-all checklist, DDEG’s ESD engineers use advanced modelling and creative thinking to prove that your project delivers the required environmental outcomes, such as energy efficiency, water conservation and occupant comfort.
This approach allows you to:
If you have a unique sustainability challenge or want to explore alternative solutions, our team can guide you through the ESD performance solution process, making compliance straightforward and stress-free.
Our ESD engineers provide clear, practical advice to help you meet compliance, improve efficiency, and deliver long-term value, while supporting your sustainability goals.
Our services include:
Share your architectural drawings, project brief and any known sustainability targets. Our team will guide you through the rest.
We aim to deliver clear, tailored proposals within 2–3 business days of receiving your project details.
We provide sustainable design solutions across most sectors Australia-wide, including:
Yes. Our team supports you from initial strategy through to construction, handover and ongoing building performance.
Yes. Our team includes accredited ESD engineers and sustainability consultants with extensive experience in Australian projects.
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