Seike Kiyoshi’s “My House”: Integration of interior and exterior to create practical space in a small house

11 April 2020

Title
Seike Kiyoshi’s “My House”: Integration of interior and exterior to create practical space in a small house.

Abstract
“My House” (私の家) is the personal residence of renowned and highly-decorated architect Seike Kiyoshi (清家 清) (13 December 1918 – 8 April 2005) that was designed and built by himself.[1] Completed in October 1954, “My House” is a 10m by 5m house constructed on the 182m² site of Seike’s parents’ house at 3–519 Higashiyukigaya, Ota Ward, Tokyo Metropolis.[3, 4, 6, 7]


[Location of “My House”.]

Despite its small building footprint of 50m²,[1, 4, 7] “My House” is Japan’s first modern 1-room house that is known for its functionality, openness, spaciousness and innovation.[29] “My House” also reflects Seike’s beliefs in gender equality; demonstrated elements of “Japan-ness” and “inversion”; and customized to fit the liberal lifestyle of his young family.[1]

This paper examines how Seike was inspired by elements of traditional Japanese house and used modern materials and construction methods to create a small but functional house that successfully integrates the exterior and interior into a continuous and spacious entity.


[“My House” successfully integrates the exterior and interior into a continuous and spacious entity.[1]]

Background: About the Architect / Owner
Seike graduated from the Tokyo University of the Arts and Tokyo Institute of Technology.[16] Seike was an apprentice of modernist architect Yoshiro Taniguchi.[15] Seike founded the Seike Research Institute within Tokyo Institute of Technology and he was a Professor at Tokyo Institute of Technology,[29] Tokyo University of the Arts and Tama Art University.[16] Seike is a recipient of the “Order of the Sacred Treasure” (1989), “Medal with Purple Ribbon” (1983), “Order of Culture” (1955), “Architectural Institute of Japan Grand Prize” (1991), “Architectural Institute of Japan Prize” (1954).[16] Some of his notable works include “House of Mori Oto” (1951), “House of Prof Sato” (1952), “My House” (1954), “Kyushu Institute of Technology Memorial Hall” (1960), “Yokohama Hakkeijima Sea Paradise” (1993), “Sapporo School of the Arts” (1995).[16] His apprentices include Shinohara Kazuo,[15] Hayashi Shouji, Hayashi Masako and Banjoya Gyoji.[16]

Seike believes in “Nothing can be something” and “Less is More”.[2] He believes that designing a house is similar to sculpting, which unnecessary elements are removed through the process.[2]

Furthermore, Seike opines that Japan is not a conducive place to live due to frequent seismic activities and extreme climate like heavy snowfall at Hokkaido, Tohoku and Hokuriku regions in winter, rainy spring, hot and humid summer and strong typhoons in autumn.[2, 9] Therefore, he thinks that Japanese houses must have strong structural supports and needs to be constructed using a variety of special techniques and methods to withstand such difficult climate and natural disasters.[2]

Background: Historical Context
“My House” was completed shortly after the Allied Occupation of Japan, which ended in 1952. This was the transitional time when Japanese pursued everyday life amid huge social, economic and environmental changes.

The occupation revolutionized the social and family values in Japan. Traditionally, construction of Japanese houses was centred around the extended family system, which was dissolved during the occupation.[2] Japanese started to aspire the standard American couple and nuclear family as role model for their everyday life.[5] Japanese also began to view the married couple as a mutually united and equal entity.[1, 5] Rapid urbanization and the break-up of the extended family resulted in mass country-to-city migration.[2, 9] In addition, women started to have rights to vote in 1945 and laws promoting gender equality were enacted in 1947.[5]

The Japan Economic Miracle characterized by rapid economic growth was in full bloom in the 1950s. This leads to an increase of per Capita Gross Domestic Product by an average of 7.1% per annum from 1945 to 1956 and growth of the Middle-Class.[2, 17] World War II contributed to a shortage of materials, which affected construction projects in the post-war period.[14, 18] This period is also plagued by severe pollution, notably the 1956 Minamata Disease, which was caused by methylmercury in industrial wastewater.[19, 20] Inflation, lack of construction materials and mass urban migration leads to severe housing shortage and expensive land prices in the cities.[1]

Despite extensive macro-level changes and foreign influences on everyday life, Seike feels that the design of Japanese houses remained very conservative and only began to change after 1947.[2] Seike believes that the modern Japanese house must suit the purpose for which it was built and cater to the different lifestyle, habits, tastes, needs and wants of its residents.[2]

Background: About “My House”
Seike originally designed and built “My House” for his parents, but they declined to move in.[1] Therefore, 36-years-old Seike moved into “My House” with his wife, 7-years-old eldest daughter Yuri and 6-months-old son Atsushi.[7]

“My House” is an unexpectedly small and modest house for a famous architect.[4] Nevertheless, “My House” was huge during the time of construction, when the average house has a building footprint area of only 15m².[7] “My House” was built to the maximum allowable building area of 50m² for it to be eligible for the Japan Housing Finance Agency loan, as enacted by the 1947 Temporary Ordinance.[1] In addition to the ground floor area of 50m², “My House” includes a 20m² basement.[4, 7] The basement was designed as a study, but was subsequently converted into a children play area.[5]

As his family grew, Seike expanded “My House” by adding “My House II” (続・私の家) in 1970 and “Son’s House” (倅の家) in 1989.[1] “My House” was registered as a Tangible Cultural Property on 27 October 2017.[3] “My House” is currently owned by Yuri.[7]

Converting the Exterior into Interior: Tall Boundary Wall
“My House” is located in a tranquil residential neighbourhood within the heart of downtown Tokyo. The land lot is enclosed by a tall boundary wall of approximately 3m high.


[Tall boundary wall enclosing “My House”.[4]]

Besides being a physical marker demarcating the legal boundary of land ownership, the tall wall also effectively divide the space into public and private domain.[5] The tall wall converts the enclosed outdoor into an ‘internal space’,[1] producing a huge garden that forms an integral part of the house.[9]

The tall wall completely blocks the view of the house and garden from the street.[5, 6] The tall wall provides privacy and allows the family to be ‘open’ within their compound.[5] Ferns and creeper plants growing on the wall reduced the claustrophobic feeling within the compound.[5, 6]

Furthermore, the tall wall protects the house from unexpected changes in the neighbourhood by focusing on the inside.[9]

Integration of Exterior and Interior: Huge Garden
After entering the gate, guests need to walk through a huge garden before reaching the house.[5]

The 132m² garden is disproportionately huge for a small house. The huge garden creates a sense of spaciousness and openness for a small house.[5, 7] Besides being aesthetically beautiful, the huge garden ensures sufficient sunlight, wind and air circulation could reach the interior.[9]

Integration of Exterior and Interior: Absence of Genkan
Another characteristics of “My House” is the absence of a ‘Genkan’ (玄関 / entryway).[1, 4, 7] The genkan is where shoes are removed and stored in a traditional Japanese house.[7] The genkan act as the official front door of the house and is a symbol of the family’s social status.[1] The genkan is where the family receive postage and deliveries, interact with salespersons and host unfamiliar guests.

The absence of a genkan gives an impression of a missing official front door and guest enter directly into the room.[4, 5] This caused ambiguity on whether guest needs to remove shoes before entering “My House” and a blur distinction between the exterior and interior.[5] Nevertheless, guests are required to remove their shoes before entering “My House”.[5]

Since the house and the garden are on the same platform level, the absence of a genkan creates a wide entrance and produces a wide view of the huge garden.[5, 7]

“Nouveau Japan-ness”: Use of Modern Materials
Seike’s previous architectural works before “My House” were all minimal wooded houses constructed with influences of traditional Japanese house and lifestyle.[5, 14, 15] However, the structure, wall and ceiling of “My House” were constructed using Reinforced Concrete (RC).[3, 4, 5, 7] The use of RC and modern construction techniques enable “My House” to withstand fire, earthquake and tough climate,[7] which Seike believed are essential to overcome Japan’s geographical disadvantages.[2]

Seike’s decision to use RC is due to shortage of traditional construction material,[1] progress in the development of chemical building materials and light alloys, resulting in cheaper construction cost.[2] The switch to mechanized construction is also because good workmanship and craftsmen are gradually disappearing.[2]

Nevertheless, Seike still managed to juxtapose tradition and modernity. Although constructed using RC, its incredibility thin frame of approximately 70mm generated a Japan-ness of lightness and an impression of being constructed using wood.[5, 29] The thin structural frame and wall is also due to Seike’s desire to reduce unnecessary wastage of space, which is precious in a small house.[7, 14]

Boundary between Exterior and Interior: Stone Flooring
Seike used teppei-seki (鉄平石 / andesite) as flooring for the garden and the interior.[5, 6, 7] This is a huge departure from traditional Japanese houses that used wood or tatami as flooring for the interior. Traditional garden is either earth-floored, turfed, or covered with gravel, which gravel was the same material used to pave urban street then.[5]

Andesite is a type of fine-grained igneous rock that is light or dark grey in colour.[21, 27] Andesite is composed of multiple layers of lava produced by stratovolcanoes that cooled and crystalized quickly.[21, 22, 28] Its geological characteristics makes it easy to split into board-like pieces.[22] Andesite is commonly used as ornamental rock in traditional Japanese garden.[22] However, andesite was seldom used in Japanese architecture. Andesite was only used as roofing material for teppei-seki-yane minka in Suwa (Nagano Prefecture) since 1811, as there are abundant andesite at Suwa.[22, 23, 27, 28]

Seike might had chosen andesite for its thickness, durability (against pressure, fire and weather), flexibility (can be used for flooring, roofing and ornament), ease of cutting and texture.[25, 26, 27, 28] Furthermore, andesite was used to pave the Omotesando (sacred boulevard) leading to Meiji-jingu in 1920.[28] Cobblestones made from andesite were commonly used to pave urban street overseas. Therefore, Seike might had anticipated that the gravel-paved urban street might be re-paved with andesite; hence he might chose to pave the garden with andesite to match the street.

Interestingly, there is remarkable differences in the size, layout, grain, filling and surface treatment of the andesite laid in the interior and exterior.[5] For example, the andesite laid inside the house are smooth and shiny black with minimal spacing filled with cement; while those laid in the garden are rough and sandy with wide spacing filled with soil.[5] This creates a subtle boundary between the continuous exterior and interior spaces.


[Differences in size, layout, grain, filling and surface treatment of andesite laid in the interior (left) and exterior (right).[5, 7]]

The rough andesite outdoor might be inspired from the kutsunugi-ishi (shoe-removing stone), a stone placed to assist guests to remove shoes and step up from the earthen courtyard into the raised interior.[8] The kutsunugi-ishi served as a symbolic reminder of the indoor-outdoor boundary.[8]

Seike originally adopted an American lifestyle of wearing shoes into the interior.[1, 5, 6] Seike opined that wearing shoes into the interior would unite the exterior and interior spaces.[24] Wearing of shoes is also convenient when switching between the spaces. This justified the absence of a genkan, the use of stone as flooring material for the interior and sleeping on bed instead of futon.[6]

However after 1957, Seike revert to remove shoes at the wide entrance because the seamless connection between the interior and exterior have encouraged his children to be constantly barefoot.[5] Furthermore, andesite feels cool during summer,[5] but warm in winter.[6] Seike’s children love the temperature of the stone flooring and enjoyed lying on the cool Andesite during summer.[5] His family also feel more relaxed being barefoot in the house.[5]

Boundary between Exterior and Interior: Glass Sliding Door
The use of glass is a modern technology that started in the Meiji era. A glass sliding door is a modern interpretation of the ‘Shoji’ (障子 / screen), which was used to define spaces.[1, 9] Thus, the glass sliding door demarcated the boundary of the garden (exterior) and the house (interior).[5]

Interestingly, the original sliding door that was installed in 1954 is still movable and remains in use till today.[5] This might be due to Seike’s insistence on good workmanship and shortage of construction material in the 1950s;[2] as if things were made to last, it eliminated the need for replacement, which requires material and produced unnecessary wastage.

Functionality and Flexibility: 1-room house
“My House” is a flexible 1-room house that is not partitioned accordingly to functions.[4, 5] The interior is continuous, without any doors or division into living, dining, bed, study or play rooms.[1, 4, 5, 6, 7] However, the space can still be divided using curtains hanging from steel truss or enormous furniture and fittings, like the full-height built-in bookshelf that spanned the entire length of the ‘living room’.[1, 4, 6, 29] This flexible layout is the most practical solution for a small house.[5] Although labelled as an 1-room house, separate spaces were still created for functions that are deemed ‘unclean’ – the kitchen and toilet.

While this concept is unprecedented in contemporary modern houses, such convertible style of living is a traditional Japanese concept that has been adopted since the Heian era.[7] This concept reduced unnecessary wastage of space by eliminating walls and separators.[7] Space can be easily enlarged or reduced accordingly by shifting the divider.[5] The flexibility maximized space efficiency for each function at any time, as spaces are no longer ‘reserved’ for functions that are not performed throughout the day.[7] The functions and furniture are change according to time, seasons and needs.[7] This physical transformation reflects the passing of time,[1, 7] amplifying the concepts of wabi-sabi.[1]


[Curtains and furniture are used to partition the interior of “My House”.[1]]

Integration of Exterior and Interior
As the house is small, there might not be enough space indoor for the family.[5] The wide entrance allows the room to extend organically into the garden.[1, 4, 5, 6, 7] The lines created from the asymmetrical temporal partition indoor are extended to the garden,[1] which is visualized through the distinction between the andesite-paved, turfed and planted areas. This connection is enhanced by the use of same flooring material indoor and outdoor. Together, these highlighted the spatial integration, flow and relationship between the interior and exterior.[1]

When the glass sliding door is open, the huge garden function as a seamless extension of the room. The indoor-outdoor permeability creates a spacious and continuous space where the family may use the garden for activities that are typically done in the living and dining room during warmer days.[1, 5, 7]


[When the glass sliding door is open, the interior is seamlessly connected with the garden.[7]]

The seamless connection is similar to the nijiriguchi entrance of a traditional teahouse.[8] This covered earthen terrace serve as a bridging space to extend the teahouse into the garden and prepare guests to enter directly into the tatami interior.[8] The garden resembles the doma (土間),[6] the enclosed earthen-floored buffer after the entrance of a minka (民家 / traditional house of farmers).[1] The doma is a multi-purpose space where shoes were removed and cooking, work or messy chores were carried out.[1, 10] The difference is, while the doma is an important and integral part of the minka, it is considered an unclean space and never used for gathering and dining.[1]

Traditionally, tatami is only used as flooring for the raised interior and requires delicate care to prevent damages. Seike created a movable raised tatami on rollers that can be shifted easily between the interior and the garden.[1, 5] The movable raised tatami could be used as a cot for baby,[1] play area for children, reading, relaxing and sleeping.[5, 7] The movable raised tatami is a fusion of Japanese tradition of floor-sitting and Western modern chair-sitting lifestyles.[1]

The green wall, huge garden and seamless connection with nature creates an abstract nature and a concept of unity between the exterior and interior of the house.[5, 29] The integration of the garden (exterior) and the house (interior) arises from a desire to live with nature and the spiritual connection between nature and man.[1, 9]

However, architecture will always separate the interior and exterior.[1] Furthermore, Seike’s interior-exterior integration contrast vastly with traditional Japanese architecture, where abrupt transition between the indoor and outdoor were avoided, with spaces such as the genkan, doma and engawa designed to bridge the gap.[9] This is similar to western houses, which defined the interior and exterior clearly.[1] As mentioned, Seike believes that a house should exclude unnecessary elements.[2] This is especially essential when he is restricted by limited building area and shortage of construction materials. Seike viewed the genkan and other transitional space as unnecessary, hence were omitted for “My House”.[7]

Openness
Seike’s family is centred around unity, gender equality and democracy.[7] Nothing in the house imposes hierarchical relationship among family members.[1]

The 1-room layout and openness of “My House” is a manifestation of the close and comfortable relationship within Seike’s family. There is effectively no space for anyone to be alone.[5] In fact, for the 1-room house to work, it requires mutual trust and respect between family members and non-interference parenting.[5]

The openness is also practical for Seike and his wife to supervise and look after their children. Furthermore, children who sleep with parents developed a sense of physical and psychological protection.[5] It fostered intimacy between the parents and the children.[5]

Seike opines that Japanese women should no longer be confined to the kitchen.[2] Hence, the kitchen was designed to be very small and fitted with modern appliances.[6] This small kitchen is a symbol of unity and equality between husband and wife.[1, 5]

“My House” is famous for its “toilet without doors”,[1, 4, 6, 7] which further enhanced the concept of gender equality and unity within the family. The toilet excluded bath or shower and the family have to use the bathroom at Seike’s parents’ house. [1] Instead, a bidet, one of the most advanced fittings in the 1950s, was installed.[5]

Influences
Seike successfully piloted the most advanced and innovative ideas, materials, structural design, construction methods and customization at his own house.[5] “My House” is a starting point for Seike to experiment on joinery and prefabrication,[5] which flourished in 1970s.[1]

Although small, “My House” was spacious and customized to suit the lifestyle of Seike’s family. Despite its modernity, Seike is able to inject “Japan-ness” and abstract nature into the small urban house. Notably, Seike successfully integrated the interior and exterior through a mixture of materials, metaphors and methodologies. The interior-exterior integration and elimination of unnecessary elements produced a huge continuous space that the family could use freely for multiple purposes.[1]

Many concepts applied in “My House” would inspired other architects and nuclear families in designing future 1-room houses and apartment flats.[1, 5, 6]

References
1. Shinkenchiku-sha (Ed.). (2017). The Japanese House: Architecture and Life after 1945. Tokyo: Shinkenchiku-sha.

2. Seike, K., & Terry, C. S. (1964). Contemporary Japanese Houses. Tokyo: Kodansha International.

3. 登録有形文化財 (建造物) : 私の家 (清家清自邸). (n.d.). Retrieved February 10, 2020, from https://kunishitei.bunka.go.jp/heritage/detail/101/00011885

4. h9w457y8i (2018, February 20). 私の家 (清家清自邸). Retrieved February 10, 2020, from 近代文化遺産見学案内所 : https://bunkaisan.exblog.jp/28149669

5. Mirutake (2005). An Interpretation on ‘My House’ by Seike Kiyoshi. Retrieved February 7, 2020, from Observing the Architecture: http://takekonbu.fc2web.com/2005/36seike/seike2-e.htm

6. Shimizu, R. (2018, June 19). 清家邸に見る住まいの原点. Modern Living. Retrieved February 14, 2020, from http://modernliving.jp/shimizu/shimizu_20180619

7. Tanazashi (2017, August 27). 日曜美術館「小さな家たちの冒険」私の家・清家清 Retrieved February 8, 2020, from チャンスはピンチだ。: https://blog.kenfru.xyz/entry/2017/08/27/日曜美術館「小さな家たちの冒険」私の家・清家清

8. Nakagawa, T. (2005). The Japanese House: In Space, Memory, and Language. Tokyo: International House of Japan.

9. Pollock, N. (2005). Modern Japanese House. London: Phaidon Press Limited.

10. Young, D., & Young, M. (2004). Introduction to Japanese Architecture. Hong Kong: Periplus Asian Architecture.

11. 文化遺産オンライン: 私の家 (清家清自邸) (n.d.). Retrieved February 10, 2020, from https://bunka.nii.ac.jp/heritages/detail/256755/1

12. @t8mono (n.d.). たてものきろく: 私の家 (清家清自邸). Retrieved February 10, 2020, from https://t8mono.net/bunkazai/11885

13. Housekeeper (2019, October 23). 住み継がれる日本の名作住宅26。その物語をひもとく。. Casa Brutus, Retrieved February 14, 2020, from https://casabrutus.com/architecture/119896/2

14. Fuji, M. (2018, July). The House of Prof. K Saito designed by Kiyoshi Seike. Retrieved February 7, 2020, from Zero Abundance: https://www.interactiongreen.com/the-house-of-prof-k-saito-designed-by-kiyoshi-seike

15. Stewart, D. B. (2015, December). Recognition and Delineation. Werk, Retrieved February 7, 2020, from https://www.wbw.ch/en/magazine/reports/original-texts/2015-12-recognition-and-delineation.html

16. 清家清 (n.d.). In Wikipedia. Retrieved February 10, 2020, from https://ja.wikipedia.org/wiki/清家清

17. Okazaki, T. (2015, February 9). Lessons from the Japanese Miracle: Building the Foundations for a New Growth Paradigm. nippon.com, Retrieved from https://www.nippon.com/en/in-depth/a04003/lessons-from-the-japanese-miracle-building-the-foundations-for-a-new-growth-paradigm.html

18. Pernice, R. (2006, November). The Transformation of Tokyo During the 1950s and Early 1960s Projects Between City Planning and Urban Utopia. JAABE, 5(2), 253 - 260. Retrieved from https://www.jstage.jst.go.jp/article/jaabe/5/2/5_2_253/_pdf

19. Minamata Disease. (n.d.). Boston University Sustainability, Retrieved from https://www.bu.edu/sustainability/minamata-disease

20. Harada, M. (1995). Minamata disease: methylmercury poisoning in Japan caused by environmental pollution. Critical Reviews in Toxicology, 25(1), Retrieved from https://www.tandfonline.com/doi/abs/10.3109/10408449509089885

21. King, H. (n.d.). Andesite. In Geology.com. Retrieved April 8, 2020, from https://geology.com/rocks/andesite.shtml

22. Locher, M. (2012). Traditional Japanese Architecture: An Exploration of Elements and Forms. Tokyo: Tuttle Publishing.

23. Itoh, F. (1987, June). 諏訪地方における地域文化の地理学的考察. 新地理, 35(1), 29-40. Retrieved from https://www.jstage.jst.go.jp/article/newgeo1952/35/1/35_1_29/_pdf/-char/ja

24. Seike, K. (1957, March). 私の家/清家清. 新建築, 32(3).

25. 建築 (II) (4th ed.). (2010). Tokyo: 雇用・能力開発機構.

26. OSAKA SEKIZAI. (n.d.). Retrieved April 11, 2020, from https://www.osaka-sekizai.co.jp/architecture/sekisyu/slate

27. 平塚市博物館 (n.d.). 平塚の街でみられる地球の歴史. Retrieved April 11, 2020, from平塚市博物館公式ページ: https://hirahaku.jp/web_yomimono/geomado/sekiz13.html

28. 藤森鉄平石. (n.d.). 鉄平石とは? . Retrieved April 11, 2020, from: http://www.teppei.jp/about/index.htm

29. Kouda, K. (2018, March 25). 戦後最初期モダン住宅の魅力 清家清自邸 . Retrieved April 11, 2020, from RCZ住宅: https://rczhome.info/2018/03/25/戦後最初期モダン住宅の魅力-清家清自邸

[This is my Final Paper submitted for "AR5957G Japanese Houses: Discourses and Works" module on 11 April 2020 for AY2019/2020 Semester 2. "AR5957G Japanese Houses: Discourses and Works" is offered by National University of Singapore (NUS) Department of Architecture (DoA) and is taught by Prof Tsuto Sakamoto.]

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