Castley McCrimmon is a Melbourne-based architecture and interior design studio founded in 2017 by Owen Castley and Jake McCrimmon. With extensive experience delivering award-winning projects, our team takes a collaborative, holistic approach to every stage of the design and development process.
We are committed to creating thoughtful, enduring architecture that contributes meaningfully to the fabric of our cities. Each project is guided by care, precision, and a deep sense of place – from concept through to completion. Our work seeks to elevate the everyday by responding creatively to each client’s brief, embracing the unique qualities of every site, and fostering strong connections to the surrounding landscape.
With a career spanning several leading high-end residential architecture practices, Owen brings a deep and well-rounded understanding of architectural design and project delivery to his role as Director at CMA. His experience covers all phases of the process—from early visioning, feasibility, and site analysis through to planning approvals, documentation, and construction.
Owen’s strength lies in bridging design ambition with practical execution. His strategic approach to early project development ensures each project begins with a solid foundation—balancing creativity, feasibility, and client goals. He is particularly skilled at working within complex site conditions and regulatory frameworks, offering innovative solutions that unlock the full potential of each brief.
At the heart of Owen’s work is a strong commitment to client relationships. Known for his clear communication and collaborative nature, he works closely with stakeholders to ensure their aspirations are fully understood and thoughtfully realised. His leadership fosters both successful project outcomes and long-term trust.
With extensive experience in high-end residential architecture, Jake brings a strong foundation in design excellence, complemented by a broad range of project work. His well-rounded approach balances creative vision with technical precision.
As a Director at Castley McCrimmon, Jake leads the early design phases of each project, setting a clear and considered direction that continues through to construction. He remains closely involved during documentation and delivery, ensuring design intent is maintained and translated with care. Jake works collaboratively with clients, consultants, and teams to uphold design integrity while navigating the complexities of construction.
Jake’s approach is grounded, collaborative, and detail-oriented—focused on delivering architecture that is both thoughtful and enduring. He is committed to creating spaces that offer clarity and calm, approaching each project as both a creative and technical endeavour.
With experience at some of Melbourne’s leading high-end residential architecture practices, Aidan brings a broad and valuable skill set to the Castley McCrimmon team. As a talented project architect, he plays a central role in project delivery, recognised for his calm approach, precision, and strong attention to detail.
As Associate Director, Aidan’s depth of experience not only enhances the quality of our work but also positions him as a trusted mentor. He actively supports the growth of junior team members and helps cultivate a collaborative, learning-driven studio culture.
A valued member of the Castley McCrimmon team, Steph is known for her thoughtful, attentive approach to both design and documentation. With a strong background in residential architecture, she contributes across all project stages, from concept through to detailed resolution.
Steph is a team player and highly attuned to client needs, providing clear communication and steady support throughout the process. Her calm, collaborative nature and eye for detail make her an integral part of both the studio and project teams.
Ben brings a consistently positive attitude to the studio, driven by a strong desire to get things right. As a Graduate of Architecture, he has gained extensive hands-on experience and is currently preparing for his architectural registration exams—demonstrating capability well beyond his years.
Ben has a sharp eye for detail and exceptional skills in communicating design intent through Enscape and visualisation tools. His artist impressions are consistently well-executed, capturing the nuance and atmosphere of each project with clarity and care.
Part-time receptionist, full-time morale booster.