Fudomae Apartment with Six Voids Etxebizitza Multzoa by Akira Koyama

Fudomae Apartment with Six Voids Etxebizitza Multzoa by Akira Koyama is a highly esteemed winner of the very prestigious 2021 Brontzezko Saria A' Design Award in Arkitektura, Eraikin eta Egitura Diseinua Competition Category.

BrontzeArkitektura· 2021

Fudomae Apartment with Six Voids Etxebizitza Multzoa

by Akira Koyama

Client: Key Operation Inc.

Brontzezko Saria A' Design Award Winner in Arkitektura Category

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The Design

About Fudomae Apartment with Six Voids Etxebizitza Multzoa

Fudomae Sei Hutsunerekin Etxebizitza Tokion dagoen bost solairuko 14 unitateko etxebizitza multzo bat da. Eraikina lursail sakon batean altxatzen da, aurrealde estua duena, atzealderaino 17 metroko sakonera eta 8 metroko zabalera duelarik. Bolumen bakoitzaren lau ertzak koskatuta daude, sei hutsune bertikal sortzeko, eguzki-argia unitadeetara sartzeko aukera ematen dutenak. Multzoa bi bolumenetan antolatuta dago, aurrekoa eta atzekoa, korridore irekiek bereizten dituztenak, solairu guztietarako eskailerekin batera. Korridoreek sei hutsuneak lotzen dituzte eta aireztapen naturalerako bide gisa jarduten dute. Kaleari begira dagoen fatxada egiturazko horma bat da, ur-txorrotaz landutako akabera duena, pribatutasuna babesteko.

The Recognition

About the Brontzezko Saria A' Design Award

Fudomae Apartment with Six Voids Etxebizitza Multzoa Brontzezko Saria A' Design Award irabazlea da, sormenak, asmamenak eta zorroztasunak bereizten dituzten diseinu bikainei ematen zaien aitorpen oso prestijiotsua. Brontze-mailako irabazleak trebetasunez beteriko eta nabarmenki sortzaileak diren artefaktuak dira, beren diseinatzaileen esperientzia zabala, irudimena eta ekimena egiaztatzen dutenak. Fudomae Apartment with Six Voids Etxebizitza Multzoa oso estimatua, miretsia eta maitea den objektua izatea espero da, nabarmenki profesionala eta berritzailea dena. Brontzezko Saria A' Design Award irabazi duen diseinu honek artearen, zientziaren, diseinuaren eta teknologiaren praktika onenak biltzen ditu eta xehetasunei ematen dien arretagatik bikaina da. Fudomae Apartment with Six Voids Etxebizitza Multzoa beharrak bikain asetzen dituen, desirak ukitzen dituen, sentimenduak xarmatzen dituen eta jakin-mina erakartzen duen lana da.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: A five-storey apartment complex of 14 units was developed for a parcel along a small local commercial avenue in Tokyo. To develop a parcel relatively deep with tight frontage in central Tokyo, the main theme for drawing the plan focused on supply of daylight and airflow throughout, while retaining density and thus enhancing rents. In this regard, a void to meet the local ordinance requirement of an evacuation route and additional voids were established.
Dimensions & Packaging: The site is a deep parcel with tight frontage, it measures 17 m to the back, 8 m in width. Site area is 155.07m2, Building area is 113.17m2, and Total floor area is 527.68m2. The building consequently comprises two volumes, front and rear, separated by open corridors installed with stairs ascending to all floors for access to the flats.
Tags: Apartment, Window, Voids, Post Coronavirus, Rental Complex, Pet, Cat Owners
Production Technology: Extruded cement panels are used for the wall rising above the outdoor passage in order to reduce the load. The street façade also rises four storeys as structural wall with a water-jet chipped finish. This distinctive expression faces the street and provides robust privacy for sleeping quarters behind the wall. The windows of the street-side voids are effectively set back, while the wall roughened by water jet draws passers’-by attention to enhance window privacy.
Design Challenge: The building code in Japan establishes standards for the specific planar area of openings with respect to the floor space of a room. For residential complexes, the area for openings must be at least 1/7 of the floor space of each room. In relation to the area of a window opening, the distance from the window to adjacent building and the height from the top of the building have a large impact on the calculated effective opening area.
Research: The number of pet cats in Japan is nearing 10 million in 2020. Lifestyle changes brought upon by Covid-19 have increased the desire for comfort from pets.
Important themes based on our Covid-19 experience prompt us to consider inclusion of outdoor space. This flat complex establishes voids for a deep parcel with poor air passage to the back in order to secure natural ventilation.
Inspiration: The four corners of each volume are notched to establish six vertical voids that bring light down into each unit for a heartening indoor environment. For a plan such as this, surrounded by buildings on neighbouring property all around, the lower floors for the new building are often unable to secure effective openings to draw sufficient daylight. The notched corners of each volume establish voids in front of neighbouring property and enable window openings facing the voids to provide effective daylight access that meets building code.
Project Duration: The project is located in Meguro-ku, Tokyo, Japan. The project was started in July 2019, and finished in July 2020.
Operation Flow: A typical studio flat plots the kitchen space and unitized bathroom that require plumbing to the left and right of a central corridor opening up into a bedroom in the back. The studio flats in this complex, however, arrange their bath area towards the core of their volume and corridor along an exterior wall. The respective corridors internally connect the six voids as thoroughfares of natural ventilation.
Team Members: Architect: Akira Koyama + KEY OPERATION INC./ARCHITECTS
Planning & development: ASCOT CORP.
Structure Engineer: Delta Structural Consultants
Service Engineer: Comodo
Contractor: Nakajima Kenko
Image Credits: All Images: Yoshifumi Moriya / Nacasa & Partners Inc.
Video: Akira Koyama / Key Operation Inc.