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SDH Studio Architecture + Design
Award-winning architecture + interior design in Miami
An award-winning architecture and interior design firm creating bespoke, climate-aware luxury homes across Miami, South Florida and internationally.
We are an award-winning architecture and interior design firm committed to creating unparalleled designs through breathtaking spatial experiences.
Through a disciplined design process and state-of-the-art technology, we curate a unique client experience, tailored to each client's dreams. We believe in the inseparable connection between architecture and its environment, turning every project into an immersive, experiential journey. Each home we design is a one-off, with its own identity, that redefines the experience of living in luxury.
Selected work
Why SDH Studio
Integrated architecture + interiors
One in-house team shapes the rooms defined by walls and the rooms defined by furniture, light and material, in conversation from day one.
Senior leadership on every project
Our boutique scale means founder Stephanie Halfen, AIA NCARB, is personally involved from concept through construction.
Climate-aware, site-specific design
Every project begins with the site. South Florida's light, water and climate shape what each home wants to be.
Permits and approvals handled
We manage permitting across all South Florida jurisdictions, working with a dedicated permit expediter.
Our process
Five distinct phases, with senior leadership at every milestone.
1. Programming
We listen to how you live and translate your lifestyle into the goals for the home.
2. Schematic design
Early concepts respond to the site, its light and its water conditions.
3. Design development
Concepts are refined into detailed plans, elevations and photorealistic 3D renderings.
4. Construction documents
Full documents coordinated with structural, MEP, civil, landscape and pool consultants.
5. Construction administration
Rigorous oversight during construction, from contractor bidding through the final walkthrough.
Our services
Luxury Residential Interior Design
Our interior design work picks up where the architecture leaves off, and often runs in parallel from day one. The full scope includes space planning, custom millwork and cabinetry, material and finish selection, lighting design, furniture procurement, art curation, and styling. We design interiors that are warm, livable, and timeless — never over-decorated, never of-the-moment in a way that ages quickly.
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Architectural Consultancy
For private clients and developers, we offer focused advisory engagements that bring our process expertise to specific design challenges — feasibility studies for prospective sites, design strategy reviews, project management oversight on third-party teams, value engineering for budget-sensitive decisions, or expert input on a particular phase of an in-flight project. Engagements are scoped to the question at hand: short, focused, and built around a defined deliverable.
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Custom Luxury Residential Architecture
We design new custom homes from the first sketch to the final walkthrough, moving through five distinct phases — programming, schematic design, design development, construction documents, and construction administration — with founder Stephanie Halfen personally involved at every milestone. Deliverables include detailed floor plans, elevations, sections, photorealistic 3D renderings, full construction documents, contractor evaluation and bidding support, and rigorous oversight during constructio
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Recognition
- 2025
Best of Houzz — Design
Awarded for design excellence.
- 2025
Best Architect in Miami — Expertise
Named among Miami's best architects.
- 2025
Luxe Magazine Gold List Honoree
Recognized on the Luxe Gold List.
Ocean Home — Top Coastal Architects
Named a top coastal architecture firm.
Questions, answered
What makes SDH Studio stand out among Miami architects?
Contemporary, site-specific architecture that fuses tropical modern elements with refined craftsmanship. Our architects and interior designers collaborate closely with clients to craft homes defined by crisp lines, natural materials, and a fluid connection to the outdoors.
What services does SDH Studio offer for luxury residential design?
Architectural design from pre-design through conceptual design, design development (incl. modeling), construction documents, and permitting, plus assistance during construction. We produce photo-realistic renderings and 3-dimensional video walkthroughs.
Do you also provide interior design?
Yes. Our architects work hand-in-hand with our in-house interior design team, who create bespoke interiors for single-family homes, from spatial requirements to colors, lighting and materials.
Do you handle permits and approvals?
Yes. We handle all permits and approvals, partnering with a dedicated permit expediter experienced with city departments throughout Miami and the surrounding areas.
How long does it take to design and build a luxury home in Miami?
Timelines vary with each project. For a single-family residence, the journey from concept to completion usually takes around 2½ years, depending on the size, location and architectural complexity of the home.
Visit or contact
- Mon-Fri
- 8:30 – 17:30
- Sat-Sun
- Closed
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