BUILDING
A BETTER FUTURE

SCIENCE + ARCHITECTURE + STRATEGY

Architectural Design & Energy-Efficiency services for
Homeowners, Architects, Builders and Developers.

Energy Modeling

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Air Leakage Testing

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Carbon Accounting

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Thermal Performance Assessment

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Energy Retrofits

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Passivhaus

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EnerPHit

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Thermal Bridge Analysis

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Condensation Assessment

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NatHERS & BASIX

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Feasibility & Costing

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Energy Modeling - Air Leakage Testing - Carbon Accounting - Thermal Performance Assessment - Energy Retrofits - Passivhaus - EnerPHit - Thermal Bridge Analysis - Condensation Assessment - NatHERS & BASIX - Feasibility & Costing -

81 is a managed collaboration of building professionals with diverse expertise and a shared passion for building a better future.

At 81, we believe in the symbiosis of Architectural Design & Integrated Science to create environments that are energy-efficient, sustainable and resilient.

Combining the unique expertise, experiences and personalities of the many 81 collaborators allows us to deliver exceptional results for our projects and clients.

Our approach goes beyond code; we don’t rely on the minimum standards set by government regulations and the construction industry.

To meet these goals, we offer specialised design and consulting services within an integrated process that provides evidence-based, scientific solutions at every stage.

Our strategy is based on an informed decision-making process, empowering our clients to make the best choices for their projects.

Additionally, we offer independent services such as Design Reviews, Thermal Performance Modelling, Energy Assessments (NatHERS/BASIX), Air Leakage Testing, Thermal Bridge Analysis, Passivhaus Consultation, Carbon Accounting, etc. for projects seeking to optimise the thermal performance and overall outcome.

  • Build Better - Feel Better


    We need buildings that provide healthy and comfortable indoor environments, reduce their environmental impacts through low energy consumption, and low environmental impact materials, are powered by clean energy, are designed and built to last, are climate resilient and protect lives, ecosystems and investments.

    We need to prioritise, build better than minimum standard and embrace a positive future.

  • Passivhaus Experts


    The Passivhaus standard is formulated for optimum balance between a number of intertwined considerations – thermal protection, airtightness, balanced ventilation and moisture control - all of these aspects go hand-in-hand and need to be considered together.

    It is the pathway to impeccable thermal comfort, healthy indoor environments and low energy bills.

  • Sustainability



    We integrate climate action and decarbonisation of the built environment in all our projects by maximising energy efficiency, minimising embodied carbon, electrifying everything, and powering it all with clean energy.

  • Collaboration



    We effectively collaborate with all members of your project team to ensure your project health, comfort & sustainability ambitions are achieved. We believe that by educating & empowering all members of the team, we can embed quality outcomes, reduce inter-disciplinary roadblocks and streamline the delivery process.”

  • Architecture & Science


    We combine design and evidence-based building science to create aesthetic spaces that are climate resilient, energy-efficient, healthy and sustainable.

  • Streamlined



    Having the relevant industry experts such as Architects, Building Designers, Energy Assessors, Passivhaus Consultants & Designers in-house provides a high level of efficiency.

  • Process Driven



    Our established processes streamline the delivery of our design & consultancy services, providing our clients with reduced costs & uncertainty, together with increased quality & accountability.

  • Australia Wide



    We provide project consultancy services Australia-wide and have an established network of collaborators to support all projects effectively.

Let’s build a better future together
by creating energy-efficient, sustainable and healthy environments that last for generations
and reduce carbon emission.