Prefabricated housing in Japan

8/18/2019 Prefabricated housing in Japan

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PREFABRICATED HOUSING IN JAPAN


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What does the prefabricated house mean in Japan?


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“..if the 2/3 or more of the construction process is finished in factory..”


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*Chu, X., 2008a. The Path of Industrialized Ho

25% of new residential housing in Japan was completely prefabricated

85% of the new housing used some prefabricated modules

50 million houses in total

1.2 million rebuilt every year


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Why are prefabricated houses so popular?


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○ could be tear down easily

○ a prefabricated house means a disposal goods in Japan

several reasons:

○ a long cultural isolation caused an urgent need to stay modern

○ shinto belief of previous resident’s spirit in the property

○ revisioning of building codes after every significant earthquake


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1955, Midget house

by Daiwa House


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○ in 1960’s the biggest boom of prefabricated housing

○ high economic growth caused increased demand andprefabrication could swiftly react to it


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1972, Nakagin Capsule Tower

by Kisho Kurawa


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1993 20121962 1973

annual production of prefabr


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9 million prefabricated houses between 1963 - 2014


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1.6 mil.

5.9 mil. 1.5 mil.

wooden structure

concrete structure

iron&steel structure


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Daiwa House

Sekisui House

Misawa Homes

Tama House


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無印良品の家


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Window House by Kengo Kum


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Tree House by Kengo Ku


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Vertical House, 2014


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1. save money for hiring an architect


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2. complete furnishings


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3. giving a distinctive look to the

prefabricated architecture


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What is the future of a prefabricated housing?


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○ production is generally declining

○ house manufacturers are more focusing on renovations

○ Japanese government creates plans to support sustainablearchitecture and prolong an average lifespan of building


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REFERENCES

PUBLICATIONS

○ Overview of Prefabricated Housing in Japan; JUDANREN (Japan Federation of Housing Organization); Junichi Goda; 2015

http://www.nahb.org/~/media/Sites/NAHB/Unmapped/No%20ID%20round%202/PDF/Japan-system-built-presentation_2015.ashx?la=en

○ Building mass customised housing through innovation in the production system: lessons from Japan and James Barlow, Ritsuko Ozaki; 2004

http://www.envplan.com/abstract.cgi?id=a3579

ARTICLES

○ 20 shades of beige: lessons from Japanese prefab housing; Mathew Aitchison; 2015

http://theconversation.com/20-shades-of-beige-lessons-from-japanese-prefab-housing-31101

○ Buying a brand new home: cookie cutter or order made?; Philip Brasor and Masako Tsubuku; 2011

http://www.japantimes.co.jp/community/2011/10/04/how-tos/buying-a-brand-new-home-cookie-cutter-or-order-made/#.VcF5y3i4Rch

○ Inside Muji’s Beautiful, Affordable Prefab Houses; Kelsey Campbell-Dollaghan; 2014

http://gizmodo.com/why-buying-entire-pre-designed-houses-could-catch-on-in-1651115237

LINKS

○ http://www.daiwahouse.com/English/innovation/history.html

○ http://www.japantimes.co.jp/news/2013/06/07/business/corporate-business/daiwa-houses-model-community-a-study-in-power-self-suff iciency/#

○ http://www.muji.net/ie/

Prefabricated housing in Japan

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