About

Founded by Architect Samantha Birtles in 2020, Se Déa is an award-winning practice specialising in high-end residential architecture and interior design.

With a stylistically diverse portfolio of residential projects, Se Déa delivers holistic services that integrate exterior and interior designs, construction planning and bespoke furniture solutions, in Sydney, the Gold Coast, Byron Bay and throughout Australia.

OUR PHILOSPHY

Se Déa is driven by a deep love of residential design and the enduring impact of well-crafted spaces. The studio embraces a layered approach, where texture, materiality, and refined visual language come together to create timeless, meaningful architecture and interiors.

With a commitment to collaboration, rigorous process, and thoughtful execution, Se Déa ensures that every project is both functional and deeply considered—resulting in spaces that feel intuitive, beautiful, and built to last.

accreditation

Se Déa is committed to the highest standards of practice, ensuring expertise, compliance and excellence in every project. The studio holds the following industry accreditations:

  • NSW Architects Registration Board (ARB)

  • Australian Institute of Architects (RAIA)

  • NSW Design Practitioner - Class 2 Registered

Se Déa has been recognised for excellence in design and featured in leading industry publications.Recent accolades are featured below. Check out our press page for more.

AWARDS & RECOGNITION

Interior Design Excellence Awards 2024 | Emerging Designer – Fletcher House | SHORTLIST

Interior Design Excellence Awards 2024 | Residential Single – Fletcher House | SHORTLIST

House & Garden Top 50 Rooms 2023 | Rising Star – Fletcher House | WINNER

House & Garden Top 50 Rooms 2023 | Best Bathroom – Fletcher House | FINALIST

House & Garden Top 50 Rooms 2023 | Indoor Outdoor Connection – Fletcher House | FINALIST

Belle Fanuli Interior Design Awards 2023 | Emerging Design Star – Thompson Residence | FINALIST

Interior Design Excellence Awards 2022 | Residential Single – Norfolk House | SHORTLIST

Australian Interior Design Awards 2022 | Residential Design – Norfolk House | SHORTLIST

ACKNOWLEDGEMENT

SE DÉA acknowledges the traditional custodians of this land. We pay our respects to them, their culture and traditions. We recognise their connection to the land and honour their elders, both past and present.