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Celebrating our Net Zero Architect of the Year win

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by AHR

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We’re proud to have been named Net Zero Architect of the Year at this year’s Building Design Architect of the Year Awards, recognising our commitment to designing and delivering sustainable, future-focused buildings that support climate action, community wellbeing and long-term resilience across sectors.

Our win demonstrates the holistic approach we take to net zero design, creating efficient, innovative buildings that perform and adapt. From education and healthcare to residential and mixed use innovation districts that blend research, enterprise and flexible workspace, we’re shaping a built environment that supports long-term sustainability and wellbeing. The four projects in our submission embody this approach, each a tangible example of how design excellence, collaboration and technical advancements can drive measurable progress towards net zero, set new benchmarks and deliver enduring value across sectors.

A new standard for energy-efficient, net zero carbon healthcare facilities

At the Countess of Chester Hospital, our new Women and Children’s Unit is the first NHS building in England approved under the Net Zero Carbon Building Standard. Replacing outdated RAAC infrastructure, the design exemplifies how net zero healthcare design can enhance both sustainability and human experience, delivering a high-performing building that supports the wellbeing of patients, their families and staff.

Addressing fuel poverty and enhancing resilience

A town-centre Passivhaus Classic development, 1–21 St Cuthberts, offers 20 all-electric homes for assisted living and over-55s. This project demonstrates how net zero housing can be both affordable and life-enhancing, enabling residents to live safe, healthy and independent lives within the community.

A most impressive range of projects, all displaying a high degree of design excellence and integrity. This was combined with exemplary rigour in the targeting and measurement of embodied carbon and energy performance in the submission. Working with difficult sectors and government backed projects, and delivering net zero is an achievement in itself.”

Judges Comments

Building Design Architect of the Year Awards

Liverpool City Region’s first net zero carbon workspace

Hemisphere One redefines sustainable workplace design as a pioneering operationally net zero carbon development targeting six global sustainability accreditations, including:

  • WELL Platinum
  • NABERS 5.5*
  • BREEAM Excellent
  • EPC A
  • WiredScore Certification

Located on the Paddington Village development, adjacent to our WELL Platinum-certified The Spine for the Royal College of Physicians, Hemisphere One embodies the ethos of “bringing the inside out”—supporting the health, social, and cultural wellbeing of both occupants and the public.

Highlighted projects

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Woodmill and St Columba's RC High School

Woodmill and St Columba’s RC High School is the world's largest Passivhaus-certified school, setting a new benchmark for sustainable education buildings. As a SFT Pathfinder project, the building has helped shape national guidance for low-carbon learning environments. A hybrid frame—using precast concrete, cross-laminated timber, and steel—enabled off-site prefabrication, reduced construction waste, and supported long-term structural flexibility. 

Read more about the project

Countess of Chester Women and Children’s Unit

The Countess of Chester Hospital's Women and Children’s Unit is the UK’s first NHS hospital building to achieve net zero carbon in operation. The building places patient wellbeing and staff support at its core, with bright, light-filled wards and family spaces, alongside quiet landscaped gardens, staff breakout areas and layouts that create a sense of dignity and calm.

Hemisphere One

Hemisphere One is a new laboratory and workspace development, with collaboration spaces, a wellness studio, cafe and new areas of public realm, set to be the first operationally net zero carbon building in the Liverpool City Region. With outdoor workspaces, wellness areas and collaboration zones, it supports healthier ways of working and targets industry-leading accreditations including WELL Platinum and 5.5* NABERS.

Read more about the project

1-21 St Cuthberts

1–21 St Cuthberts exemplifies how thoughtful design, even within tight urban constraints, can deliver low-energy homes that are affordable, healthy, and embedded in their community. We designed and delivered a highly sustainable development that could combat fuel poverty and support Midlothian’s Net Zero by 2030 ambitions.

Read more about the project

Woodmill and St Columba's RC High School

The project achieved Passivhaus Classic certification, following a fabric-first approach, with material choices guided by reducing embodied carbon, ultra-high insulation, exceptional airtightness, and a mechanical ventilation system with heat recovery that ensures consistent indoor air quality and thermal comfort.

Read how we achieved certification

1-21 St Cuthberts

Passivhaus Classic certification was achieved for all homes and the on-site support office, ensuring long-term energy efficiency. Enhanced insulation, airtight construction, and MVHR systems underpin the thermal performance, with challenges of a tight town centre site, close boundaries, and building orientation resolved through rigorous use of the Passivhaus Planning Package (PHPP).

Read how we achieved certification

Setting a national benchmark for sustainable education design

Showcasing what’s possible in large-scale, low-carbon learning environments, Woodmill and St Columba’s High School is the world’s largest Passivhaus-certified education building.

As a pilot project for the UK Net Zero Carbon Building Standard and a Scottish Futures Trust Pathfinder project, it delivers exceptional energy performance while prioritising wellbeing, inclusion, and adaptability, helping to shape national guidance for sustainable, high-performing schools.

Across every sector, our approach combines performance-driven design, with strong client collaboration. Our buildings don’t just achieve net zero, they inspire a culture of environmental responsibility and long-term value.


To learn more about our commitment to healthy, low-carbon design, visit our sustainability page here.


Frequently asked questions

The Building Design (BD) Architect of the Year Awards (AYAs) celebrate excellence across the architecture industry, recognising practices that demonstrate innovation, design quality, and impact across sectors. The Net Zero Architect of the Year category highlights firms leading the way in sustainable, low-carbon design.

We won the Net Zero Architect of the Year, recognising our holistic approach to net zero design, creating buildings that reduce carbon emissions, enhance resilience, and inspire positive change. Our projects span a variety of sectors, each designed to perform, adapt, and deliver measurable sustainability outcomes.

Our winning submission included a range of exemplar projects:

'Net zero design’ means creating buildings that minimise carbon emissions throughout their life cycle both in construction (embodied carbon) and operation (energy use). Through fabric-first design, efficient systems, and renewable technologies, our projects achieve exceptional performance while promoting occupant wellbeing.

Winning BD’s Net Zero Architect of the Year affirms our leadership in sustainable architecture and our commitment to shaping a built environment that supports climate action, community wellbeing, and long-term resilience. It reflects the collaborative efforts of our clients, partners, and design teams across all sectors.