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We are an innovative firm based in Melbourne and Sydney delivering a diverse type of projects across the residential sectors; from bespoke home extensions and renovations to large-scale multi-residential and mixed-use developments. We also provide ring creative, tailored solutions to commercial, interior fit-out, and educational projects.​

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Each project is shaped by your needs, not by preconceived ideas

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Every project begins with a blank canvas. We work closely with each client to understand their unique needs, lifestyle, and vision. This collaborative approach ensures every solution is customised, meaningful, and functional.

 

When you work with us, you’ll collaborate directly with our Founder and Registered Architect, Ophelia Tham where she personally guides you through every stage of the process—from concept design and 3D visualisation to documentation, coordination, and construction. We’re hands-on, transparent, and committed to managing each detail with care and precision. ​We aim to create architectural works of art that foster an ongoing collaborative relationship with clients.

 

Architecture is more than just buildings - it encompasses the landscape, the users and their experience within the space, and the broader contextual environment. It should enable occupants to connect with a building both physically and emotionally. It starts with deeply understanding our clients, and it’s expressed through thoughtful, highly considered floor plans and design strategies that get the fundamentals right.

 

Not everyone has the luxury of starting from scratch or going through the full design-and-build process multiple times. That’s why choosing the right architectural team—one you truly connect with and trust—is essential. We believe in doing it once and doing it right, so you’re not left with daily regrets or “what ifs.” Our goal is to deliver a home or space you’ll love living in for years to come.

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Ophelia Tham

Principal | Director| Nominated Architect

​QUALIFICATION 

Registered Architect NSW #9096 &Victoria #20536

NSW Class 2 (Architectural) DBP #0003030

Institute of Architects: Associate #205551

UTS Masters of Architecture 2011UTS

Bachelor of Design in Architecture​ 2009

NSW Induction for Construction Work   (White Card)

Ophelia Tham is a Registered Architect in both New South Wales and Victoria, with over 14 years of experience in the residential sector. As one of the youngest Architects in Australia to gain registration (at 24yo), she has worked alongside some of the most dedicated and award winning architectural professionals in NSW and VIC.
 

She began her career working on heritage residential homes across Sydney’s Inner West, Eastern Suburbs, and Lower North Shore. Her path later evolved into leading developer-driven projects across Sydney and Melbourne—delivering multi-residential and award-winning mixed-use buildings (finalist in World Architecture Festival). She has led cross-disciplinary teams of architects, interior designers, and engineers through complex and large-scale developments.

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Today, Ophelia runs her own boutique, home-based architectural studio while navigating the everyday juggle of raising three young children (ages 6, 4, and 20 months) without nearby family support. Her lived experience brings a deeply personal understanding of what makes a home truly functional—not just beautiful. Renovating her own heritage home to meet the needs of a busy, growing family (with her excel-savvy husband keeping budgets in check) continues to be one of her most rewarding and challenging projects.

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She is passionate about creating spaces that strike the perfect balance between form, function, and affordability—no matter the project scale or typology. Highly detail-oriented and precise, Ophelia brings clarity and intent to every aspect of her work. Her meticulous design process solves problems and simplifies challenges. From site constraints to budget limitations, she has a proven ability to untangle complexity and deliver practical, elegant solutions that just work.

Beyond architecture, Ophelia also runs an online hobby business with her young daughter,  Living Etch, specialising in custom personalised décor, gifts, and keepsakes to add that unique touch to home design. Her unwavering commitment and passion makes her an invaluable asset to every project she takes on.

BOOK A

FREE & NO OBLIGATION 15 MINUTES PHONE CHAT 

​​​Please note, we cannot offer site-specific design advice during this consultation. Any advice provided will be general. Formal advice is given when engaging our services.

Schedule your service

FREE 15 minutes initial enquiry

Check out our availability and book the date and time that works for you

DID YOU KNOW

We offer a once off consult?

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GET IN TOUCH:

Tel: 0403 122 859

Email: info@thamarchitects.com.au

Sydney & Melbourne

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© 2025 by Tham Architects

Ophelia Leung Architects P/L Trading as Tham Architects

Registration Nos:  VIC #20536 | NSW #9096 & Class 2 DBP DEP0003030, BDes Arch, March, Associate RAIA | ABN: 48 169 181 079

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