Urban Prism गृहम् by Nobuaki Miyashita is a highly esteemed winner of the very prestigious 2025 A' Design Award कांस्यपुरस्कारः in स्थापत्य, भवन एवं संरचना अभिकल्पना Competition Category.
कांस्यम्स्थापत्यम्· 2025
Urban Prism गृहम्
Client: Aida Sekkei Co., Ltd.
A' Design Award कांस्यपुरस्कारः Winner in स्थापत्यम् Category
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The Design
About Urban Prism गृहम्
नगरप्रिज्म (Urban Prism) इति जापानदेशस्य टोक्योनगरस्य सान्द्रे नागरक्षेत्रे निर्मितं त्रिभूमिकं गृहम् अस्ति। काष्ठनिर्मितं संरचनम् १००.१३ चतुरस्रमीटरपरिमितभूमौ स्थितं सत् समग्रतया १२७.८२ चतुरस्रमीटरपरिमितं तलक्षेत्रं व्याप्नोति। सीमाभित्तयः द्वारं च मध्यवर्तिनं क्षेत्रं रचयन्ति, यत् आन्तरिकभागं प्रति प्रकाशं वायुं च आनयति। एकः प्राङ्गणः बैठकीकक्षं बहिः विस्तारयति, समायोज्यानि च आवरणानि गोपनीयतां दिनप्रकाशं च नियन्त्रयन्ति। पोतयुक्तं तन्तुसीमेण्ट-आवरणं बाह्यभागं आच्छादयति, अन्तः च सर्जकाष्ठ-भूतलं, इस्पातं, काचं च आन्तरिकं रूपं निर्मान्ति। इदं शिल्पात्मकं आकारं स्थानीय-उच्चतानियमान् पश्चादपसरणनियमांश्च अनुसृत्य निर्मितम् अस्ति।
The Recognition
About the A' Design Award कांस्यपुरस्कारः
Urban Prism गृहम् A' Design Award कांस्यपुरस्कारस्य विजेता अस्ति; अयम् उच्चप्रतिष्ठितः सम्मानः सृजनशीलतया उद्भावनकौशलेन तीक्ष्णप्रज्ञया च विशिष्टेभ्य उत्कृष्टेभ्योऽभिकल्पेभ्यो दीयते। कांस्यविजेतारः प्रचुरकौशलयुक्ता उल्लेखनीयतया सृजनशीलाश्च शिल्पकृतयः सन्ति, याः स्वाभिकल्पकानां विपुलम् अनुभवं कल्पनाशक्तिं साधनसम्पन्नतां च प्रमाणयन्ति। Urban Prism गृहम् अत्यन्तं मूल्यवान् प्रशंसितः प्रियश्च पदार्थः, उल्लेखनीयतया व्यावसायिको नवोन्मेषयुक्तश्च भविष्यतीति प्रत्याशा क्रियते। A' Design Award कांस्यपुरस्कारं जितवद् एतद् अभिकल्पकार्यं कलाविज्ञानाभिकल्पप्रौद्योगिकीनां श्रेष्ठतमाः पद्धतीः समावेशयति सूक्ष्मांशेषु ध्यानाच्च उत्कृष्टम् अस्ति। Urban Prism गृहम् अस्माकम् आवश्यकताः सुन्दरं पूरयति, कामनाः स्पृशति, भावान् मोहयति, जिज्ञासां चाकर्षयति।
Behind the Design
Press Kit
Credits, team members and technical details provided by the designer.
- Unique Properties
- Urban Prism balances privacy and openness in a dense urban setting. The design utilizes boundary walls and a gate to create a buffer zone filled with light and air, seamlessly connecting the interior and exterior. Japan’s strict height and setback regulations shaped its refined, sculptural form. A courtyard extends the living space, while adjustable screens regulate privacy and daylight. Black bamboo and upward lighting enhance the entrance, evoking a Japanese aesthetic.
- Dimensions & Packaging
- Site Area: 100.13 Square meters
Building Area: 57.64 Square meters
Total Floor Area: 127.82 Square meters
Structure: Wood
Number of Floors: 3 above ground
Eaves Height: 8.53 m
Ceiling Height: 2.50 m - Tags
- architecture, house, urban design, natural light, spatial composition, sustainable living
- Production Technology
- The house employs durable materials suited to urban environments. Textured fiber cement siding accentuates light and shadow interplay, reinforcing depth. The interior harmonizes solid wood, steel, and glass, blending modernity with warmth. Oak flooring enhances the tactile experience. High-performance insulated glass and movable screens optimize daylight, ventilation, and privacy. The exterior cladding ensures longevity, requiring minimal maintenance over time.
- Design Challenge
- The greatest challenge was balancing privacy and openness within strict urban zoning constraints. Japan’s stringent height and setback regulations required innovative volumetric manipulation to maximize livable space. Socially, the project had to address urban density while maintaining tranquility. Externally, material selection was limited by durability and maintenance concerns. Advanced simulations optimized daylight and airflow, ensuring a harmonious spatial experience.
- Research
- Type of Research: Architectural design research
Research Objectives: Optimization of urban housing through spatial and environmental adaptability
Methodology: Model testing, daylight and airflow simulations
Data Collection: On-site analysis, material performance tests
Results: Established a refined approach to urban privacy, integrating zoning constraints into design solutions - Inspiration
- The project transforms zoning constraints into design potential, integrating privacy, natural light, and spatial expansion. The home’s multi-layered structure fosters an interplay between openness and enclosure, adapting flexibly to its surroundings. Carefully arranged volumes and walls create a dynamic sequence of spaces. The design embraces traditional Japanese elements, reinterpreted through contemporary architectural language to enhance urban living.
- Project Duration
- The project was completed in 2019 in Tachikawa, Tokyo, Japan.
- Operation Flow
- Smooth circulation and spatial layering create a dynamic living experience. The atrium channels natural light and air throughout the house, shifting in ambiance with time. Adjustable screens and staggered walls allow residents to control privacy and exposure. The courtyard functions as an outdoor extension of the living room, enhancing spatial fluidity. Black bamboo and illuminated surfaces establish a serene entryway, linking nature with contemporary design.
- Patents
- N/A
- Team Members
- N/A
- Image Credits
- Image #1, #2,#3, #4, #5: Photographer Nobuaki Miyashita, Variations, 2019
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