About Certified Energy

We are a group of Architects and Engineers who endeavour to create a sustainable future across Australia. Working on projects across all states and territories, we typically find ourselves providing Section J compliance reports for commercial buildings and on the residential side, NatHERS energy star ratings certificates.

We are qualified to handle the complex requirements of states including Victoria and New South Wales, with our trained and accredited professionals able to deliver BESS (VIC) and BASIX (NSW) compliance reports and more recently we also became a nationwide independent NABERS Assessor.

We are accredited by the Association of Building Sustainability Assessors, ABSA Number: 100765 

We pride ourselves on our work. Some of the benefits our services provide to our customers include:

  • Accurate results
  • Innovative design solutions
  • Reduced material costs for overall compliance
  • Reduced ongoing energy expenses
  • Increased property values
  • Sustainable dwellings
  • Healthier living environments




Our Team!

Meet the people that make it work.



Director and Accredited Assessor

Our leader and company Director Jamie Bonnefin holds both a Bachelor of Science in Architecture BSc(Arch) and Masters degree in Architecture M(Arch). 

For almost two decades, Jamie has been an advocate for more environmentally conscious communities. In his work as a designer, community leader and environmental consultant, he has worked to encourage communities to take responsibiliy for environmental delivery. 

Jamie leads one of the fastest growing ESD companies in Australia whose desire is to make a difference with others by Leading Local Sustainability thought and practice. 

Ilvy Bonnefin


Managing Director

Appointed Director in 2014, Ilvy brings a vast experience in High Performance Buildings having managed the supply and delivery of hundreds of projects across Australia.
Ilvy was a pioneer of Environmental Organisational Psychology and she is passionate about how people sustainably inhabit the spaces we create. Ilvy has been instrumental in working with industry to provide commercial sustainable B2B delivery across the design and construction sectors. Ilvy works closely with our core client base to achieve excellent outcomes for each key stakeholder.



ESD Consultant and Team Leader

As one of our lead ESD consultants and team leaders, Patricia is a key driving force in the operation of the company. With a Masters of Sustainable Development from Macquarie University Patricia has a keen knowledge and passion for ESD and an intense interest in the possibilities of recyclable materials and the greater impact of sustainable design on the climate, hoping through ESD to create spaces that promote wellbeing of the occupants. Patricia is an energetic and positive leader who ensures that colleagues and clients alike are treated with respect and consideration.


ESD Engineer and Team Leader

Bill's brings a vast experience in JV3 assessments using Design Builder, Green Star Projects and NABERS ratings.

Bill has contributed to the development and implementation of organisation policies, strategies and projects with a focus on initiatives that improve organisation’s operational efficiencies and support sustainable communities.



ESD Consultant and Team Leader

With particular interest in building energy analysis and thermal comfort, Shruti, one of our lead ESD consultants is highly proficient in Section J compliance and building energy analysis. Having completed her Masters of Architectural Science in Sustainable Design (USYD), Shruti has a discerning knowledge of the ESD field and with her help your project can achieve the best possible thermal efficiency at the lowest cost. Shruti is a crucial member of the Certified Energy team, her bright demeanour encourages everyone to fulfil their full potential achieving the most for every client.

Can Chu

Can Chu

ESD Consultant and Team Leader

Can Chu has a passion in environmental design and vast knowledge in ESD field. Can Chu is a valuable member of the Certified Energy team whose professional and cheerful character contributes greatly to the office environment.



ESD Engineer

Marnie as one of our lead ESD consultants is a motivated and talented young designer with critical knowledge of the ESD industry. Recently completing her Bachelor of Design in Architecture (UoN), her formal knowledge of architecture as well as her interest in ESD allows her to complete every project with a critical engagement, hoping in her career to contribute to the greater energy efficiency goals of the building industry. Marnie contributes enormously to the smooth functioning of the office, taking pride and great care in everything she does.


ESD Engineer & Client Liaison

Kharielle has a keen interest in environmental design and has career goals to facilitate in the overall reduction of the population’s carbon footprint. Through her knowledge of the ESD field and formal understanding of architecture, Kharielle is a valuable member of the Certified Energy team whose cheerful character contributes greatly to the office environment.

Business Development Manager


Business Development Manager

Daniel's breadth of experience in the buildings industry allows him to best understand our clients's needs. Having previously worked alongside some Australia's leading architects as both a mechanical engineer and ESD consultant, he is well versed in the areas of dynamic energy modelling and environmental code compliance. 

Daniel holds both a Bachelor of Mechanical Engineering and Bachelor of Arts in International Studies as well as a Masters degree in Architectural Science and enjoys applying sound principles to meet real world needs.Here at Certified Energy, Daniel manages Business Development and is keen to help work out where we can best help you on your next project. 

Digital Marketing Manager


Digital Marketing Manager

Adam manages Digital Marketing at Certified Energy. With a background in Commerce, Adam has previously held Business Analyst roles and has experience building and creating companies. Adam is a highly analytical and creative addition to the team who brings a unique perspective to Certified Energy as we aim to connect with our clients in new and exciting ways.

Digital Marketing Assistant


Digital Marketing Coordinator

Nancy is an indispensible part of the team and drives marketing initiatives across social and digital. With a keen interest in eco-friendly solutions for the modern world, Nancy fits seamlessly within the energetic Certified Energy culture.



Assistant Accountant

Having recently completed her Masters of Professional Accounting. Lindsay as an assistant accountant, takes great pride in her work enjoying the day to day challenges that she is presented with, becoming a very valuable and appreciated team member.