Think beyond the square.

We are innovative and aspirational, but grounded in technical expertise and practicality.

We bring an interdisciplinary and holistic approach to developing solutions for the built environment which leave a positive legacy for people and our environment.

With us, sustainability is made easy and fun.


dsquared Consulting provides innovative, independent, robust and cost effective solutions for sustainable built environments.

Since being formed in 2012 by Paul Davy and Deborah Davidson, we have developed a strong track record of creating sustainable spaces, places and communities for people to enjoy healthy lives.

We are innovative and aspirational, but grounded in technical expertise and practicality.

We bring an interdisciplinary and holistic approach to developing solutions for the built environment which leave a positive legacy for people and our environment.

With us, sustainability is made easy and fun.


dsquared Consulting provides innovative, independent, robust and cost effective solutions for sustainable built environments.

Since being formed in 2012 by Paul Davy and Deborah Davidson, we have developed a strong track record of creating sustainable spaces, places and communities for people to enjoy healthy lives.

"Paul & Deborah have provided Southern Cross Care (SA & NT) with strategic direction and expert advice for Environmental Initiatives in designing of facilities and overall operational impacts, and during their involvement we have found them to be extremely professional and knowledgeable in their valued support and guidance."

Daniel Rosato

Development Manager | Southern Cross Care SA & NT

We Walk the Walk.

We tackle the challenges and opportunities of sustainability within our own operations, not just the projects we work on.

We are also active in supporting local and national initiatives and advocacy groups advancing sustainability in Australia.

"dsquared have provided high quality strategic and detailed design advice on a number of high profile SA Health projects and have been valuable and innovative members of various project delivery teams."

Rob Bunting

Manager: Sustainability | SA Health

Meet the team.

We are a multidisciplinary team comprised of individuals passionate in making a difference.

Our diverse backgrounds and combined professional experiences allow us to provide expertise in a large range of areas relating to sustainability.

Get to know us.

Meet the team.

We are a multidisciplinary team comprised of individuals passionate in making a difference.

Our diverse backgrounds and combined professional experiences allow us to provide expertise in a large range of areas relating to sustainability.

Get to know us.

Paul Davy


Paul is co-founder and director of dsquared Consulting.

Paul is a passionate advocate and practitioner for sustainable design in the built environment and believes that any design problem can be overcome with the right combination of experience and, most importantly, attitude.

More About Paul
Paul has experience in the design and construction of buildings and developments across all public and private sectors, in the UK and Australia, both as an engineering services consultant and Ecologically Sustainable Design (ESD) consultant.

Since 2005, Paul’s focus has been the provision of multidisciplinary consultancy associated with major projects in Australia, with a particular emphasis on achieving significant energy and ESD targets in major public sector, health, aged care, education, and commercial projects.
Paul's Qualifications
  • Dip. Environmental Engineering (Hons) - South Bank University, UK
  • Green Star Accredited Professional (Design & As Built, Communities and Performance)
  • Green Star Certified Assessor
  • Green Star Faculty
  • WELL Accredited Professional
  • Member of the Office of Design and Architecture South Australia (ODASA) Design Review Panel
  • Member Chartered Institute of Building Services Engineers (MCIBSE)
  • Incorporated Engineer, Engineering Council (IEng)
  • Member Australian Institute of Refrigeration, Air Conditioning and Heating Engineers (MAIRAH)
  • Member Institute of Facade Engineers
  • Member Institute of Life Cycle Assessment Society

Deborah Davidson


Deborah is co-founder and director of dsquared Consulting.

Deborah is one of the leading ESD and Sustainability Consultants in Australia, with a keen sense of effective and robust solutions for environmentally responsible outcomes.

More About Deborah
Deborah’s specialties include sustainable design, emissions reduction, sustainability policy, environmental management, and resource management. She is considered an expert in assisting projects achieve certified sustainable outcomes, using Green Star, LEED and most recently WELL.

Her expertise is often called upon by the Green Building Council of Australia, as Green Star Assessor, in the teaching faculty and as an independent expert in new tool development.
Deborah's Qualifications
  • Bachelor of Science (Hons) Geography - Edinburgh University, UK
  • Green Star Accredited Professional (Design & As Built and Communities)
  • Green Star Certified Assessor
  • Green Star Faculty
  • LEED Accredited Professional
  • WELL Accredited Professional
  • EnviroDevelopment Accredited Professional

Jacob Potter


Jacob is passionate about implementing sustainable solutions with experience in energy and resource management.

More About Jacob
Jacob has extensive experience in the public sector working on major infrastructure projects including providing advice on sustainable design, emissions reduction, sustainability policy, environmental management, waste minimisation, and sustainable water solutions.

His experience includes working on significant infrastructure projects such as the Adelaide Botanic High School, managing energy and water efficiency programs across large portfolios, implementing renewable energy solutions and undertaking energy contract reviews to maximise value.
Jacob's Qualifications
  • Bachelor of Architectural Studies - University of South Australia
  • Masters of Sustainable Design - University of South Australia
  • Graduate Certificate, Energy and Resources – Policy and Practice - University College London (UCL)

Richard Gardner


Richard has a keen interest in energy efficiency and low carbon design and a particular focus on building simulation, modelling and analysis.

More About Richard
Richard has experience in the design and construction of buildings across public and private sectors, in both the UK and Australia. He is an enthusiastic, organised and conscientious individual with experience working on a range of project sizes, types and values.

Richard has extensive experience in mechanical services design and delivery of a number of significant sustainable building projects around Australia. He also has significant experience in building simulation and modelling including CFD, energy, thermal comfort, daylight and natural ventilation analysis and using thermal analysis software to explore building orientation/form and optimise energy outcomes.
Richard's Qualifications
  • MPhil Mechanical Engineering (Hons) - Cardiff University, Wales, UK
  • MEng Mechanical Engineering (Hons) - Cardiff University, Wales, UK
  • Green Star Accredited Professional (Design & As Built)
  • Building Designers Association Victoria (BDAV) Accredited Thermal Performance Assessor (TPA) and Energy Rater
  • Member Chartered Institute of Building Services Engineers (MCIBSE)
  • Chartered Engineer, Engineering Council (CEng)

Ken Long


Ken is motivated by the opportunity to create a positive quality of life for people through sustainable built environments.

More About Ken
Ken’s experience encompasses multiple facets of sustainable design consultancy to projects of all scales. This includes design optimisation, building performance simulation, green building ratings and life cycle analysis. With qualifications in Architecture, Sustainable Design and Ecologically Regenerative Design, Ken facilitates a holistic systems thinking approach to design problems.

Alongside his professional development, Ken is very active in promoting and advocating for sustainable built environments within the Adelaide community and development industry. As the Chairperson of the Adelaide Sustainable Building Network, Ken helps facilitate opportunities for people to engage with concepts of sustainable design and be inspired to implement them.
Ken's Qualifications
  • Bachelor of Architecture - New York Institute of Technology, USA
  • Certificate of Ecologically Regenerative Design - Ecosa Institute, USA
  • Masters of Sustainable Design - University of South Australia
  • Green Star Accredited Professional (Design & As Built)
  • Registered eTool User (Life Cycle Assessment)
  • Chairman of the Adelaide Sustainable Building Network
  • Ambassador of the Living Building Challenge
  • Member International Living Future Institute

Eliza Koch


Eliza is motivated to improving the sustainability of built environments for future generations.

More About Eliza
Eliza has significant experience in energy efficiency modelling, specifically providing NatHERS modelling and associated sustainable design advice for a number of residential dwellings and apartments Australia wide.

Eliza has also looked after Life Cycle Assessments and Green Star submissions for many developments.
Eliza's Qualifications
  • Bachelor of Urban and Regional Planning (Hons) - University of South Australia
  • Masters in Environmental Management and Sustainability - University of South Australia
  • Green Star Accredited Professional (Design & As Built)
  • Registered eTool User (Life Cycle Assessment)

Jarrad Braham


Jarrad has a particular appreciation for the importance of collaborating with project stakeholders to ensure sustainability solutions are implemented successfully.

More About Jarrad
With an engineering background and as an accredited NABERS assessor, Jarrad has expertise in building performance analysis and optimisation, energy assessments, and design of renewable energy generation systems.

Jarrad has worked on many different project types and sizes across Australia including high-rise offices and residential towers, large-scale commercial developments, defence facilities, schools, and suburban housing.
Jarrad's Qualifications
  • Bachelor of Engineering (Hons) Mechanical and Sustainable Energy - University of Adelaide
  • NABERS Accredited Assessor (Office, Shopping Centres)
  • Green Star Accredited Professional (Design & As Built)
  • Registered eTool User (Life Cycle Assessment)