Sustainability Action Plan

December 2022

We care deeply about the planet, and recognise our part in its peril. Through our work, advocacy and integrity we can build a better future.

While electrification of our building stock continues to take necessary precedence, it’s time we expand our focus toward higher performing and low-resource-dependent buildings, embodied carbon reduction, circularity and adaptation.

For all new projects, our pledge is to deliver net-zero-ready buildings. No new gas — no question. To meet industry leading energy performance targets. To track and to taper upfront carbon toward a climate positive 2040.

Our business and our buildings must shoot beyond zero. To be climate positive. Circular. Resilient. Healthy. Not just less bad. Genuinely good.

Here we have documented our current thinking, efforts and aspirations for our built work. This is our commitment. A call to our clients, collaborators and community to not look back, and to charge forward. To build a better future by tackling the significant climate impacts of our industry, and enabling the community they serve to live sustainably.

Current and projected impacts of climate change and biodiversity loss are truly startling. Yet it is the context for every site and underlying brief and therefore requiring direct response.

Some data to motivate response:

Our regional climate has warmed on average by around 1.4C since 1910, leading to an increase in the frequency, duration and intensity of heatwaves in most parts of Australia. (Source)

A rise of 1.5C is generally seen as the most that humanity could cope with without suffering widespread economic and social upheaval. (Source)

If emissions continue unabated, floods could cost the Australian economy $40 billion per year by 2060. (Source)

Since 1890, heatwaves have killed more Australians than bushfires, cyclones, earthquakes, floods and severe storms combined. (Source)

Currently Melbourne experiences 9 very hot days (where temperatures exceed 35 degrees) on average each year. Climate models suggest this number will increase by up to 26 days on average by 2070. (Source)

Our plan

We are change agents using the integrity of our brand and built works to advocate for people and the planet.

Breathe is a Melbourne-based studio, creating world-class architecture with an enduring and meaningful impact on housing affordability, accessibility and stainability.

In 2022, Breathe achieved B Corp certification for our purpose-driven approach to governance, our people, community, environment and customers. We became a B Corp because we believe that sustainable business is better business, and that we can use our business as a force for good. It is a global and independently verified benchmark that requires continual maintenance and improvement.

Breathe has been carbon neutral since 2018. As a founding signatory to Architects Declare, we helped lead the campaign to have Australian architects commit to carbon neutrality by 2030.

Our office is powered by 100% renewable energy, and operates in a building with a photovoltaic array and energy storage. We purchase carbon credits to offset our business’ carbon footprint and that of our projects. We offset travel and avoid it entirely when we can, partnering with local practices for site involvement if we’re not proximate to site.

Breathe targets zero waste, and offers composting and recycling facilities. All catering is vegan and cruelty-free.

Reinforced by our dedicated Director of Sustainability, innovation team and advocacy position, we are invested in making every project evolve and improve on the last.

Business commitment

Design approach

We balance every decision against its environmental, social and financial impacts.

More with less

At every turn we strive to do more with less. Reducing cost and carbon by questioning anything inessential to the construction of our comfortable, healthy and uplifting spaces.

Our buildings provide generosity and material luxury as co-benefits of exceptional functionality, rather than ornament.

Resources are precious. Size does matter.

We make smarter, more resilient buildings by adopting climate appropriate passive design strategies, demand management and efficient systems design. By proactively optimising building performance we can reduce operational carbon in parallel with increased adaptive thermal comfort.

Perfectly imperfect

We are after progress not perfection. We see beauty in strategic refinement and choose to focus our efforts where they count most.

Our projects are comprised of materials that are ethically sourced, non-toxic, wear well and patina with age. We prioritise renewable, reusable, recyclable, repurposeable and biodegradable materials, and share our research in our evolving Sustainable Houses and Sustainable Materials guides. Offering a filter of scrutiny for every scheduled material, we seek to promote supply chain decarbonisation, high internal environment quality and improved wellbeing.

Connected to nature

We work to bring life to the city, to crack the pavement, to let nature back in. To embrace the organic, chaotic joy of thriving communities — not to curate a sanitised, sterile version of it.

However imperfect, the greatest weight will be given to the lowest carbon outcome.

Project benchmarks

Our mission is to accelerate change for a regenerative, fair Australia. To lead industry response to the climate and biodiversity emergency.

From 2022, we will be explicit in our focus. As standard, all Breathe projects will now:

Be fossil fuel free & net-zero ready

Metrics

Timeline

Responsibility

To immediately exclude fossil-fuels from new building systems and appliances, and create strategies for the transition of legacy plant and equipment by 2030. Aligning with WGBC, LETI, Architecture 2030, American Institute of Architects, GABC and others.

2022

Project Architect

Request all clients and building users to opt for all-renewable energy with 100% certified Green Power, for both temporary and permanent power supply.

Project Architect, Client

All plant emissions to be included in carbon audit. Low ODP refrigerants only, with F-gas limit of GWP <680 or less to be revised down as technology improves. R290 / Propane (GWP 3), R454C (GWP 146), or similarly low emission refrigerants are preferred. Refrigerant cannot be R410A (GWP 2,088), and ideally much better than R32 / difluoromethane (GWP 677). Any existing air-conditioning equipment must be de-gassed by a professional contractor.

Project Architect

Maximise on site electricity production by locating solar PV on all viable roof area. PV panels installed at optimal angle for performance and self cleaning where possible.

Project Architect

Design for the provision of EV charging for all car spaces. EV charger types to be determined at a project level. Explore the opportunity to use EVs for energy storage.

2023

Project Architect

Design for the provision of ebike, motor scooter and wheelchair charging at the ratio of 1:5. With minimum bicycle parking ratios of 2x1BR, 2x2BR, 3x3BR apartments where located proximate to supporting infrastructure.

Project Architect

To promote micromobility in sites with significant commercial use, consider the inclusion of end of trip facilities (hair dryers, lockers, vanity units, airing store, towel service) relevant to user groups.

Project Architect

If diesel fire pump must be provided, use low emissions bio fuels such as B20 biodiesel and Renewable Diesel where available.

2025

Consultant

Explore low emissions bio fuels such as B20 biodiesel and Renewable Diesel for construction plant and equipment where electric options are not yet available.

Contractor

Track whole-of-life carbon

Metrics

Timeline

Responsibility

Measure the environmental impacts of our buildings through benchmark estimation and/or Life Cycle Assessments as appropriate.

2022

Director of Sustainability

Assess project carbon against relevant benchmarks.

Director of Sustainability

Empower our clients and building users to take responsibility for remaining upfront and ongoing project carbon.

Director of Sustainability

Metrics

Meet industry-leading building performance targets

Timeline

Responsibility

Minimum 7.6-Star NatHERS for all new dwellings and apartments in Cool & Mild Temperate Climates.

2022

Project Architect

20-30% more energy efficient than relevant reference commercial building, in line with Green Star Buildings Credit Achievement.

Project Architect, Consultant

Design to max. envelope permeability 4m3/h/m2 @50Pa (4ACH @ 50Pa), and engage with air tightness consultant for documentation review and site testing where possible.

Project Architect, Contractor

Efficient LED lighting throughout

Project Architect

Avoid standby load by nominating kill switches in domestic applications. Excludes fridge, oven, NTD and UPS as applicable.

Project Architect

Minimum appliance Energy Rating Labels to match or exceed Green Star Buildings.

Project Architect (interiors)

40–60% reduction of potable water use. Involving the matching or exceeding Green Star Buildings WELS minimums, rainwater capture and storage, recycling of fire services testing water on-site, drought tolerant planting, wicking beds, and other initiatives.

Project Architect, Consultant

Air quality: max.CO2 800ppm, or approx. >0.5ach-1 for apartments, min. 10L/s/p for commercial;
Total VOCs: <0.3 mg/m3 or max. low VOC <49g/L (Zero/Ultra-Low VOC <5g/L);
Formaldehyde: <0.1 mg/m3  (NAF/E0, equal or <1mg/L)

Project Architect (interiors)

Reduce upfront carbon

Metrics

Timeline

Responsibility

Limit use of high carbon materials such as concrete, steel and aluminium to high performance applications. Prioritising long life, loose fit, framed buildings with concrete used in columns, slabs and core only. Highly efficient structural designs, reducing or eliminating transfer structures. Avoid all non-structural concrete use and consider lower carbon alternatives for shear walls. Design structural systems for adaptability.
Overall Portland Cement Replacement (PCR) minimum 50%. Use recycled aggregates, water, manufactured sand.

2022

Project Architect and Front End Design Team

Undertake carbon reduction checkpoints at every design and documentation phase.

Director of Sustainability

Integrate DfDa/BAMB research and principles in design phases and through milestone ESD review.

Director of Sustainability

Minimum 90% demolition and construction waste diverted from landfill, including packaging and protection materials. Ensure this is written into the SMP, and reporting monitored during construction.

Project Architect

2023

At return brief stage, set and implement low-carbon design targets of >40% embodied carbon, before offsetting. Subject to testing and supply chain decarbonisation, this target will rachet up to 45% by 2025, and towards 65% by 2030 in line with LETI, Architecture 2030 and the American Institute of Architects. 

Director of Sustainability

Contact

Irma Del Valle Nachon
Business Development Manager
irma@breathe.com.au