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Garden Wall House #2 / U.L.A. design

Garden Wall House #2 / U.L.A. design

© Katsumasa Tanaka© Katsumasa Tanaka© Katsumasa Tanaka© Katsumasa Tanaka+ 25

  • Architects: U.L.A. design
  • Area Area of this architecture project Area :  173
  • Year Completion year of this architecture project Year :  2020
  • Photographs
    Photographs :Katsumasa Tanaka
  • Manufacturers Brands with products used in this architecture project
    Manufacturers :  NICHIHA, Sanwa, YKK AP, Hirata TILE, KASCO, Lilycolor, Lixil Group, Takahiro Mokuzai
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© Katsumasa Tanaka
© Katsumasa Tanaka

Text description provided by the architects. This home is built on sloping land in Yokohama City in which a couple and their three children live in. The house is surrounded by the huge backside wall that is more than 6 meters high. Therefore, we decided to give up the wall side. Instead of that, by integrating budget and constructive elements on the southeast side, we suggested a house having both privacy and nice view or lighting, and good balance and relationship between the inside and the outside of the house.

© Katsumasa Tanaka
© Katsumasa Tanaka
Plan - 1st floor
Plan - 1st floor
© Katsumasa Tanaka
© Katsumasa Tanaka

The shape of building is universal and strong cube type. There is no opening in the northwest direction except ventilating opening. Daylight and breeze are expected to come in through the windows on the southeast side of the home where the outdoor terrace and the parking space are located.

© Katsumasa Tanaka
© Katsumasa Tanaka

LDK and a bathroom as public space are located on the 1st floor, and bed rooms as private space are located on the 2nd floor. The “Garden” can be viewed from all rooms of the house. Not limited by the standard concept for the main entrance, we designed the main entrance integrated with the living room. Usually, the main entrance is a dead space except for going in and out. However, due to this design, the living room has a much wider open space than the actual floor space. 

© Katsumasa Tanaka
© Katsumasa Tanaka
Plan - 2n floor
Plan - 2n floor

We plotted a wooden curtain wall steel-like structure.  Due to problems related to disaster prevention area or fire spreading line, it was difficult to use multiple window sash for residential houses. Also, it was difficult to use multiple window sash for buildings due to limited budget. However, I aimed the rationality and the beauty of the structure because of conventional post and beam structure.  As the result of putting structural columns and sash at regular intervals, we could make the house an advanced wooden building that is like a traditional western wall type structure having the image of Japanese structural pillar and beam.

© Katsumasa Tanaka
© Katsumasa Tanaka

The system allows urban houses that site areas are limited, to plant trees at the maximum with the minimum space.  This is the “Garden Wall” system.  The “Wall” is 6 meters high and more than 20 meters wide.  It blocks off people’s view from the road and neighbors moderately and ensures privacy, but it doesn’t give a feeling of unsocial and intimidation to the surroundings.  Netting on the wall has artificial flowers that helps visual effect until real plants grow, and it works as a substrate material to catch real ivy. 

© Katsumasa Tanaka
© Katsumasa Tanaka
Plan - Exterior
Plan - Exterior

Real plants will grow from the ground within 5 – 10 year, and eventually cover the wall with a wide variety of ivies. The Flowers bloom in the spring and leaves turn red in the fall on the “Garden Wall”. The wall requires only a small space to be built. Therefore, we can utilize the site area to the maximum for outdoor terrace or parking space.  We are happy if the house becomes the place where residents can enjoy raising their families as well as the changes of lumbers due to aging and plants growing.

© Katsumasa Tanaka
© Katsumasa Tanaka

We designed the “Rain Wall” that entertains residents in the house as a poetic water art as well as the Wall works as a cooling system against the midsummer sunlight coming from a large window.  This Wall is what we call an architectural cooling system.  It prevents from heat and generates cooling effect with water flowing over solar panels, roof, windows and outside walls.  It is a simple and primitive idea, but we think it has a possibility to become popular in the entire society. For the future, we would like to aim at higher level of economic and environmental efficiencies with utilizing underground water or heat.

© Katsumasa Tanaka
© Katsumasa Tanaka

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Cite: "Garden Wall House #2 / U.L.A. design" 14 Jan 2021. ArchDaily. Accessed . <https://www.archdaily.com/954822/garden-wall-house-number-2-ula-design> ISSN 0719-8884

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