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Se Déa is an architecture and interior design studio specialising in high-end residential projects. Our work is guided by feeling, collaboration and an iterative design approach, where architecture and interiors are considered together to create homes that feel cohesive, resolved and deeply personal. We respond closely to each brief, allowing the character of the client, site and lifestyle to shape the outcome rather than imposing a singular aesthetic.
Our projects are shaped through a strong focus on proportion, materiality and detail, with careful consideration given to how spaces are experienced and lived in over time. A sense of restraint underpins our work, with a preference to pare back rather than overwork, creating homes that feel calm, intuitive and enduring. Our goal is to design spaces that are quietly expressive, highly considered and deeply connected to the people who live within them.
Founder Samantha Birtles is a registered architect with the NSW Board of Architects, a registered member of the Australian Institute of Architects and a registered Design Practitioner.
02 8387 7776
44 Parkes Avenue, Byron Bay, NSW, 2481
Se Déa brings a soft urban elegance to Australian interiors. Their Norfolk House and Fletcher House are both perfect expressions of this—a European ease translated through an Australian lens, effortless in palette and precise in every detail.




