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Nobuaki Miyashita's Kinuta Residential House presents a striking study in contemporary residential architecture photographed during the transitional luminosity of blue hour, where the composition esta
Nobuaki Miyashita's Kinuta Residential House commands attention through its dramatic upward perspective, presenting a monolithic architectural composition constructed entirely in charcoal gray horizon
Nobuaki Miyashita's Kinuta Residential House presents a sophisticated study in contemporary residential architecture through a composite view revealing multiple spatial zones, commencing with a striki
Nobuaki Miyashita's Kinuta Residential House unfolds within this composite architectural documentation through a sophisticated interplay of warm materiality, precisely calibrated artificial illuminati
Kinuta Residential House by Nobuaki Miyashita

AIDA SEKKEI Co., Ltd.

Bronze Architecture, Building and Structure Design · 2026

Kinuta Residential House

by Nobuaki Miyashita

  • A' Design Award 2026 Bronze Winner in Architecture, Building and Structure Design
  • Awarded April 15, 2026
  • CLIENT: AIDA SEKKEI Co., Ltd.
  • Estimated Number of Design Views: 5,630
  • Verification code B7A50BCD20 · Verify this award
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About Kinuta Residential House

Kinuta is a residential house built on a narrow urban plot in Tokyo, Japan. The site is 3.6 m wide, and setback rules reduce the effective frontage to under 2.6 m. The living, dining, and kitchen area is placed on the second floor to gain privacy and southern daylight. A walled courtyard with a timber deck and planted green walls turns the setback zone into a quiet outdoor room. The entrance, corridor, and stair form a linear sequence that emphasizes depth. Dark ceramic siding with a dry joint system keeps the facade joints continuous, including at corners.

Nobuaki Miyashita's Kinuta Residential House engages the enduring architectural challenge of creating dignified, materially expressive domestic space within the dense urban fabric of contemporary residential districts, a condition that has inspired innovative spatial and formal responses throughout the history of compact urban dwelling design. This three-story residential structure demonstrates a sophisticated understanding of how material articulation and controlled illumination can transform a modest urban footprint into an architecturally significant presence, the design employing a horizontal cladding system of linear timber or timber-composite battens that establishes a strong textural identity while mediating between traditional building craft and contemporary prefabricated construction methodologies. The compositional strategy reveals careful attention to proportion and rhythmic repetition, the regular spacing of horizontal elements creating a visual meter that animates the facade surface and generates dynamic shadow patterns throughout the day, while the strategic placement of fenestration within this textured envelope balances privacy requirements with natural light penetration and visual connection between interior and exterior realms. Captured during the atmospheric richness of blue hour, when the sky transitions from daylight to darkness and interior illumination begins its nightly dialogue with the urban environment, the photograph reveals how the design negotiates the boundary between private domestic life and public urban space, the warm amber glow emanating from interior apertures suggesting inhabitation and welcoming domesticity while the cool, reserved exterior envelope maintains appropriate urban decorum and architectural restraint. The cantilevered projection at the second floor level demonstrates structural expression and spatial generosity, extending the inhabited volume beyond the building footprint to create sheltered outdoor space or expanded interior capacity, this horizontal gesture providing compositional counterpoint to the dominant verticality while suggesting the careful calibration of every cubic meter within constrained urban sites. The material palette evidences a refined sensibility, limiting chromatic variety to allow textural and tectonic qualities to command attention, the repetitive horizontal cladding creating a fabric-like surface that registers both as unified field and as accumulation of individual elements, this duality between wholeness and multiplicity reflecting broader architectural considerations of how parts assemble into coherent systems. The integration of strategic exterior lighting demonstrates an understanding of architecture's temporal dimension, recognizing that buildings perform differently across the daily cycle and that twilight and nocturnal presentation constitute significant aspects of urban architectural experience, the amber uplighting at ground level emphasizing the materiality and relief of the cladding system while creating a gradient of illumination that guides the eye upward along the facade. The design appears to draw upon vernacular timber building traditions while thoroughly reinterpreting these heritage references through contemporary material technology and urban spatial logic, the horizontal emphasis evoking traditional weatherboarding or siding systems while the precision of spacing and dimensional consistency suggests industrialized production, this synthesis of cultural memory and technical innovation creating architecture that feels both familiar and fresh, grounded in place while engaging international contemporary discourse. One might consider how this dwelling negotiates the tension between asserting individual architectural identity within the urban fabric and contributing to the collective character of the streetscape, achieving a balance between distinction and harmonious contextual integration that invites contemplation of architecture's dual obligations to express individual program and to participate responsibly in the shared public realm.

Press Kit

Unique Properties
A premium residence for a family of three on an "eel's bed" plot. Although the site is 3.6 m wide, setback rules reduce the effective frontage to under 2.6 m. The LDK is lifted to the second floor for privacy and southern daylight, while a walled courtyard with a timber deck and green walls turns the setback zone into a calm outdoor room. A continuous frame integrates the boundary wall, balcony, and eaves, giving a strong identity to a minimal frontage.
Dimensions & Packaging
Site area 54.97 m2. Building area 27.48 m2. Total floor area 54.96 m2. Building frontage 2680 mm. Long narrow site approx. 3.6 m by 15 m. Eaves height from design GL 6.810 m. Main living, dining, and kitchen on the second floor. Courtyard and deck within the setback zone.
Tags
Narrow House, Urban Infill, Courtyard, Setback Strategy, Second Floor Living, Privacy and Daylight, Dry Joint Facade, Compact Residence, Tokyo Housing
Production Technology
The exterior uses dark ceramic siding designed for a dry joint system. The panel module and joint layout were coordinated from the early design stage to keep the joint rhythm continuous, including at corners. A white post and nameplate, together with dark metal fittings, are composed as sharp accents. Inside, the courtyard deck and planted green walls form a durable interface between interior life and an outdoor retreat.
Design Challenge
The hardest challenge was achieving comfort and dignity within severe statutory limits. Facing a 4 m wide road, the building was tightly controlled by slant plane and setback regulations, with no relaxation available and sky factor use not permitted. At the same time, close neighbors required strong privacy. The design responds by lifting the LDK, inserting a walled courtyard, and refining facade joints to maintain architectural tension at a very small scale.
Project Duration
Designed and completed in Setagaya (Kinuta), Tokyo, Japan.
Operation Flow
A linear sequence begins at the entrance and continues as a corridor and stair, emphasizing depth on the narrow plot. Arrival to the second floor LDK opens to southern light and a private courtyard. Daily living extends to the timber deck and green walls. The continuous frame unifies the balcony, eaves, and boundary wall, defining the home's compact yet premium character.
Research
ype of research: Applied design research for compact housing. Objective: Maximize daylight, privacy, and perceived spaciousness under strict setback rules. Methodology: Iterative massing studies, section checks, and module studies for dry joint cladding. Tools: Sketches, scaled models, and CAD. Results: A second floor LDK and a setback courtyard that add light and a private outdoor room, plus a facade with a continuous joint rhythm. Impacts: A transferable approach for premium living on narrow urban plots.
Inspiration
The project was driven by a question: how can a very narrow house feel generous without relying on tricks? In dense Tokyo neighborhoods, privacy and sunlight are often traded off. By moving the living spaces upward and carving a courtyard within the regulatory setback, the house gains light, air, and a personal exterior space. The facade detailing was inspired by product-like precision, with dry-joint planning from the earliest design stage to keep corners crisp.
Image Credits
Image #1: Nobuaki Miyashita
Image #2: Nobuaki Miyashita
Image #3: Nobuaki Miyashita
Image #4: Nobuaki Miyashita
Image #5: Nobuaki Miyashita
Patents
All images and project content are Nobuaki Miyashita / MR STUDIO Co.,Ltd.

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