A four-story wooden house showcases a vertical marvel in Tokyo, surrounded by urban landscape and trees.

Vertical Marvel in Tokyo: The Wakui Architects’ Four-Story Wooden House on 33 Sqm

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Written by Sam Johnson

2026-09-05

Vertical Marvel Tokyo: Reimagining traditional architecture in a modern metropolis

In the heart of Kagurazaka, Tokyo, architects Takumi Wakui and Riho Wakui have transformed a compact 33 sqm plot into a stunning four-story wooden residence. This innovative design revisits the traditional Japanese machiya, blending historical elements with modern vertical living.

The architects explored the history of the site, tracing back to Edo-period urban subdivisions. Narrow-fronted townhouses traditionally nestled alongside samurai estates, evolving into the tight-knit lots of today. In this spirit, the house extends vertically, optimizing the limited footprint and offering a seamless transition from public spaces on the lower floors to private ones above. This approach exemplifies the skyline innovation the city is becoming known for.

Street view of a narrow, vertical wooden house in Kagurazaka neighborhood.
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Integration of nature and space

Large, framed openings within the façade allow for expansive views and ample daylight, characteristics celebrated in this architectural wonder. Greenery surrounds the living room and top-floor bathroom, bringing nature indoors. Meanwhile, side walls projecting 800 mm from the building’s edge offer shade from the intense western sun and channel the southwesterly breeze, creating a natural cooling system.

To explore more architectural innovations, read about how Berlin transforms furniture shopping into an experiential community event with creative design.

Along with practical environmental benefits, the design incorporates a robust truss system and a central double-wall spine, stabilizing the structure while enabling future flexibility. Spatial openness is reinforced through intentional voids and connective openings between floors, showcasing once again the ingenuity behind this urban marvel.

Another fascinating project is Shanghai’s Pollinator Machine that turns natural elements into a walking experience, showcasing nature’s integration into urban settings.

Front facade of the wooden house in Kagurazaka, with contemporary design details.
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Side view showing the narrow structure of the Kagurazaka house against neighboring buildings.
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Interiors of the Kagurazaka house featuring minimalist wooden elements and staircases.
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Living area with wooden finish and compact design in Kagurazaka house.
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Living in harmony with urban conditions

This thoughtful structure adapts fluidly to changing light and seasonal airflows, embodying what many see as a new standard Tokyo has achieved. It provides varied spaces for different activities, promoting an adaptable lifestyle within Tokyo’s dense urban fabric. Each level offers unique functionality, enhancing living conditions without the need for traditional floor divides.

Simple, functional kitchen with modern appliances in the Kagurazaka house.
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Narrow staircase leading to upper floors of the vertical house in Tokyo.
Open area in the house featuring a view outside through large windows.
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Project insights and architectural details

Named “House in Kagurazaka,” this project showcases Takumi Wakui + Riho Wakui Architects’ masterful use of space at 37.89 sqm for the total floor area. Located in a bustling district of Tokyo, the design reflects both innovative architectural thought and cultural sensitivity, making it another noteworthy addition to the city’s unique architectural landscape.

Sleek, modern bathroom with light wooden accents in Kagurazaka house.
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Balcony with wooden railings offering outside view in Kagurazaka house.
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Cozy bedroom with minimalist design, wooden floor in Kagurazaka house.
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Compact yet elegant workspace with natural lighting in the Kagurazaka house.
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Source: designboom.com

Frequently asked questions

What is the size of the plot in Kagurazaka?

The plot in Kagurazaka is 33 sqm.

How does the design incorporate nature indoors?

Greenery surrounds the living room and top-floor bathroom, bringing nature indoors, and large, framed openings allow for ample daylight.

What stabilizes the structure of the house?

The structure is stabilized by a robust truss system and a central double-wall spine, allowing for future flexibility.