Welcome!

Studio Uji is a Toronto-based architecture and interior design studio specializing in residential design, renovations, and custom homes. Every project begins with listening. We collaborate closely with clients to understand their needs, lifestyle, and inspirations, creating designs that respond to both the people and the site.

From concept design to construction, we develop tailored solutions that integrate form, function, and context. Whether reimagining interiors, planning additions, or designing new homes, our focus is on enhancing how spaces are experienced, with attention to durability, comfort, and aesthetic quality.

We offer comprehensive design services across all phases of design & construction.


About the Principal

Sonja is a licensed architect with the Ontario Association of Architects. She earned her Master of Architecture from the University of Toronto and has worked in boutique and medium-sized architectural firms on projects ranging from residential homes to restaurants, retail spaces, and institutional buildings. Before studying architecture, Sonja gained experience in art direction and set design in Toronto and Los Angeles, bringing a creative, multidisciplinary perspective to her work.

Her diverse background has equipped her with a broad range of techniques and problem-solving approaches, and instilled an appreciation for the holistic nature of architecture. A certified Passive House designer, Sonja is committed to energy-efficient, enduring buildings and the use of materials and methods that support healthy and sustainable spaces.

Sonja values creativity, craftsmanship, and meaningful client relationships. She is involved in every step of the design and construction process, ensuring clients are well-informed and supported throughout the journey, and strives to make a positive impact through her designs.