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A House as a Collective: Collective House S

o.heje architecture

written by
Lee Haedeun, Choi Jaepil
photographed by
Hwang Wooseop (unless otherwise indicated)
materials provided by
o.heje architecture
edited by
Kim Jeoungeun
background

SPACE December 2025 (No. 697) 

  

 

 

©Park Heejun 

 

 

Living Together Again

Herein is the story of a large extended family centred around a strong woman. The client – at once simultaneously a daughter, daughter-in-law, and mother – has taken on the entire responsibilities of planning, coordinating, and communicating the design of a house that will accommodate more than ten people: her own parents, her mother-in-law, the client couple, their three children, and an additional rental unit. Speaking with her felt like talking to a neighbourhood community leader. The process of gathering and reconciling the opinions and registering the needs of each generation resembled the supervision of an alleyway community. Around her, the reality of the house began to take shape.

For three generations to live together again requires a design of careful negotiation—one that addresses individual conditions while also creating an architecture for a new kind of community, one that goes beyond the primitive family structure assumed by modern society. The project reconsiders the meaning of the individual and the family, concepts long taken for granted in the modern era, and seeks forms shaped by the new relationships required of today¡¯s world.

A house may be in private ownership, but the moment it enters a neighbourhood it becomes an integral part of it. I approached the house as a small building that is, at the same time, urban; an aggregation of individuals that is, simultaneously, social.

 

 

 

 

 

 

Like a Folk House

The site is located within a region where mountains and streams, old ...

 
*You can see more information on the SPACE No. December (2025).
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Architect

o.heje architecture (Lee Haedeun, Choi Jaepil)

Design team

Kim Donggyeong, Lee Jiyoung

Location

Seocho-gu, Seoul, Korea

Programme

multi-household house

Site area

177.7m©÷

Building area

106.1m©÷

Gross floor area

199.7m©÷

Building scope

3F

Parking

11

Height

11.27m

Building to land ratio

59.7%

Floor area ratio

112.3%

Structure

RC, steel frame

Exterior finishing

exposed concrete, stucco, galvanised steel sheet

Interior finishing

water paint, wooden flooring

Structural engineer

Eun structural engineering

Mechanical and electrical engineer

Daedo Engineering

Construction

Jayeon & Woori contractor

Design period

Sep. 2023 – June 2024

Construction period

Sep. 2024 – June 2025


Lee Haedeun, Choi Jaepil
Lee Haedeun and Choi Jaepil graduated from Dankook University, department of architecture, and practiced at Samuso Hyojadong architects and associates. They also completed the research and master¡¯s course at Inui Kumiko lab and Tom Heneghan lab from Tokyo University of the Arts, Faculty of Fine Arts, department of architecture. In 2016, they established o.heje architecture, during their master¡¯s degree, and have been working in Seoul since 2017. Major awards include the Shinkenchiku International Residential Competition 2007 2nd Prize, the Tokyo University of the Arts Yoshida Isoya Award, the Tokyo Architecture Collection Yokomizo Makoto Award, and the SD Review 2017 Prize—House M, etc.

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