One Design Sensibility. Many Scales:
Living Spaces, Shared Places, Urban Rooms
A room, a garden, a street, a district—these are not separate problems. They are part of a continuous human experience shaped by movement, memory, climate, and care.
At Allenia Design, we work across scales not to offer more services, but to preserve coherence. From intimate interiors to complex urban environments, every project is guided by the same design logic: clarity, comfort, and belonging.
Living Spaces, Shared Places, Urban Rooms
A room, a garden, a street, a district—these are not separate problems. They are part of a continuous human experience shaped by movement, memory, climate, and care.
At Allenia Design, we work across scales not to offer more services, but to preserve coherence. From intimate interiors to complex urban environments, every project is guided by the same design logic: clarity, comfort, and belonging.
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Featured Design
Our projects span private, shared, and public realms, yet are unified by a single sensibility. Each is designed to support daily rituals, collective life, and long-term stewardship.
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Published Work
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7th Avenue Store
West Hollywood - Los Angeles Ghirardelli Square - San Francisco Town Square - Las Vegas Rice Village - Houston Newport Beach - Orange County Santana Row - San Jose |
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With a commitment to innovation and excellence, we transform ideas into reality, creating moments and spaces that are aesthetically pleasing, memorable, and functional. Let us help you shape the future of your built environment, products, and experiences.
Allenia Design is led by award-winning placemaking designers, Astrid Haryati and Theresia Purnomo in respective markets, whose background spans urban planning, urban design, architecture, interior design, and landscape design. This breadth allows the studio to operate as a single, authored practice—bridging institutional intelligence with personal, human-scale design. We collaborate closely with clients, consultants, and communities, while maintaining clear authorship and design continuity. |
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Featured Clients
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Aether Signature Cafe Telkom Tower Jakarta
Marriott Resort Belitung Island The Consulate General of the Republic of Indonesia (Los Angeles, Chicago) The Embassy of the Republic of Indonesia (Washington DC, Ankara - Turkey, Pretoria - South Africa) Insurance Management Headquarter Glendale - CA Medical Service Headquarter Thousand Oaks - CA |
Private Residences (Hancock Park - Los Angeles, Henderson - NV, Norco, Brentwood, Glenview, Seal Beach, Long Beach)
Multifamily Residences (Los Angeles, Riverside) 7th Avenue Store (Las Vegas, Ghirardelli Square, Los Angeles, Orange County, Santana Row) Baja Style Ceviche Bar (Chino Hills, Corona) Luxury Optometric Spa Riverside - CA |
Design Award Lisbon - Portugal
Our Favorite Moodboard
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How We Work We listen before we draw.
Every project begins with understanding how people move, gather, pause, and live. We design from lived experience outward. Material, proportion, light, and comfort inform decisions at every scale. We connect scales seamlessly. Interiors inform landscapes. Landscapes inform streets. Streets inform cities. We design for time. Our work is grounded in longevity—places that age with grace and adapt to change. Areas of Practice
Rather than separating disciplines, our work is organized by the scale of human experience. Living Spaces Interiors, residential architecture, adaptive reuse Shared Places Gardens, courtyards, hospitality, small commercial and community spaces Urban Rooms Public realms, streetscapes, districts, master planning Each project is approached with the same rigor, care, and attention to human experience. |
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Our Custom Artwork
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We host . We collaborate
Los AngelesOur studio is in a historic black & gold
Art Deco building, hosting emerging creatives and artisans. 
JakartaJakarta is transforming itself from a capital city into a greener economic center. The entire city is our lab.
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Galva ALLENIA SPACE is our hybrid studio, shop, and rental programmed space - celebrating cultural immersions with a small hometown feel in Central Illinois.
Henry RiverfrontA hub for design, art, and music-making in a quaint riverfront town along the Illinois River Scenic Byway.
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