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Termitary House

The Termitary House is the renovation of a two-storey home. Vietnamese architects, Tropical Space, refurbished an old house and added a perforated grille of brickwork to an existing concrete slab structure, it is built of solid brick only, which meets the extreme climatic conditions of this region. The building is constructed to use the small available space as best and economically as possible.

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© Hiroyuki Oki

Located in a region with a tropical monsoon climate, the house is built entirely of brick so it corresponds to the extreme climatic conditions and relates to historic examples in Central Vietnam.

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© Hiroyuki Oki

The name Termitary House stands for the layout of the house, with one central room where all corridors, galleries and small rooms come together, which resembles the building plan of a termite mount. Similarities can also be found in the ventilation shafts and that all building materials come from the surrounding area.

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© Hiroyuki Oki

It is immediately apparent that the house is robustly built with an extremely economical layout, incorporating all essential parts such as bathrooms, living and sleeping areas; additionally, an office, a small library and a prayer room also fit into the small space.

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© Hiroyuki Oki

The green roof serves as a garden for the residents. Another special feature of the house are the openings that have been left in the roof and the perforated brick walls, which provide lighting and ventilation in all areas, even the ones that are hard to access. When the wind blows along the outside of these openings, the flow of air is directed through the interior. This helps to cool the rooms without requiring any energy input.

“The principle is very simple,” the architects say. “It saves electricity and natural resources and could serve as a prototype for inexpensive housing in tropical regions.”

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© Hiroyuki Oki

Design Features:

  • It keeps the house cool, absorbs humidity and encourages the circulation of air, while a layer of glazing protects the home from wind and rain. The glazing acts as a second skin, also leaving space for a small gravel courtyard behind the exterior walls.
  • Light seeps through the latticed bricks, illuminating the interior with different shades yellow and red. Glimpses of sky are visible through the openings, and between the light is a play of shadows that adds depth.
  • Slender skylights and relatively narrow windows offer light and ventilation while a combination of solid and perforated block work provides some degree of privacy but still allows for effective communication between the residents across the house. Topped off by a lush green roof, the termitary house is a really compact design that uses space optimally and allows for maximum flexibility.
  • The natural lighting and ventilation systems are two more characteristics of the house. The special design of the perforated brick walls, together with the large inter-floor space, allows fresh air and light to get to all the corners of the house, even the hardest-to-access areas.
Termitary-House-By-Tropical-Space-12-Hiroyuki-Oki-759x506 Termitary House / Tropical Space

© Hiroyuki Oki

Tropical Space:

The Termitary House was built in Da Nang, a central coastal city of Viet Nam. The climate in this area is rather extreme in the way it varies significantly between the sunny season and the rainy one. It is also influenced by a lot of tropical storms every year. Besides, Da Nang is well-known for the remains of Champa baked-brick Towers (during the Ancient Champa Kingdom), constructed during the time from the 4th century to the late 15th century. Of all, “Mỹ Sơn” Holy land is the most well-known.

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© Hiroyuki Oki

Inspired by the termites’ special ability to build their nests in the local area, the architect has designed the house with a large sharing space in the center where a cooking counter, a dining table, and an entertaining corner are found. This “lobby” then leads to different functional areas in the house such as the rest room, the living room, and the bedrooms. All are connected artistically and comfortably. The mezzanine is where another bedroom, an altar room, and a small library are found.

The attic is an open relaxing area with curtains of vines. Designed for three people, the house does not need a lot of partitions except the ones for the altar room and the bedrooms. Meanwhile, in the sharing areas in the house, the family members can still see and chat to each other through the walls with holes arranged as randomly but scientifically as in an actual termitary.

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© Hiroyuki Oki

The house is mainly built with baked bricks which are also a traditional material in the local area. They are the very material to have been used for the construction of the mysterious ancient Champa towers. The ceilings are casted with original concrete, and the floors are covered with terrazzo in dark colors. All furniture is made with the timber from the roof of the old house, which helps make the total actual cost of the construction a significant saving (about under 22,000 usd).

That the walls are entirely built with baked bricks makes the house cool in the summer; for this kind of bricks can function as a certain factor to keep the humidity for the entire house. The special constructing technique of “double skins” with two layers of one brick wall covering outside and one glass-aluminum frame inside creates a space within a wall, which functions as a buffer layer at both gables.

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© Hiroyuki Oki

Besides, the arrangement of the toilets and the storage rooms along the walls not only helps block the strong winds during the stormy season but also leads them towards and through the gaps straight to the roof. This is due to the remarkable difference in pressure. On the roof, architects use a system of girders and upside down floors to create a small garden for plants – an ideal place for the whole family to relax and enjoy the breeze during the hot and muggy summer days.

The special design of the baked-brick walls with a lot of holes, together with the large inter-floor space, allows breeze and light to get to all the corners of the house, even the hardest-to-access areas. The house owners are also able to enjoy the blue sky during the daytime or the moonlight night-time from the living room, the dining table or the kitchen.

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© Hiroyuki Oki

At different times during the day, the variety of the light intensity getting through the inter-floor holes makes the brick wall colors change from the light red in the morning, red at noon, dark red in the afternoon and more purple in the late afternoon and early evening. In the evening and at night, the house looks like a giant lantern with lights here and there from the holes. The surrounding brick walls are decorated with some rough bricks to make shadows. This improve the beauty and charm of every single samel-brick regarding its own shape and color.

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© Hiroyuki Oki

Both the yard and the garden are covered with coarse gravels with some of the plants (which are rearranged) from the old house in order to retain some familiar features for the owners. Taking the best advantage of ventilation, lighting system and natural air conditioning mechanism has made The Termitary House optimize the positive elements of an effective tropical work.

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© Hiroyuki Oki

Project Data:

Project name: Termitary House
Location: 275/8 Truong Chinh Street, An Khe Ward, Thanh Khe District, Da Nang City, Vietnam.
Coordinates: n/a
Type:

  • Type By Characteristic: Renovation / Expansion / Extension : House, Green & Sustainable House
  • Type By Site: City / Town House
  • Type By Size: Small House – (51 sqm – 200 sqm)
  • Type By Materials: Brick House

Materials: Baked Brick, Concrete, Terrazzo, Wood
Usable floor area: 80 sqm
Site Area: 190 sqm
Construction Period: 04.2014 – 08.2014
Status: Built
Cost: Total investment cost: 27,000 USD

  • Construction cost: 22,000 USD
  • Interior decoration cost: 5,000 USD

Completion Year: 2014

Awards:

  • 2016 – Wienerberger Brick Award – Category: Residential Use – Winner
  • 2016 – FuturArc Green Leadership Award – Category: Residential > Individual Houses – Winner
  • 2016 – AZURE Magazine’s Awards – Category: Best Residential Architecture – Winner
  • 2015 – The ARCASIA Award for Architecture – Category: Single Family Residential Projects – Honorable Mention
  • 2015 – World Architecture Festival Award – Category: Completed House – Finalist
  • 2015 – AR House Awards – Finalist

The people:

Client / Owner / Developer: Private
Architects: Tropical Space – Sacomreal 584 Building – A15.1 – 785/1 Luy Ban Bich Street, Phu Tho Hoa Ward, Tan Phu District, Ho Chi Minh City, Vietnam
Architect In Charge: Nguyen Hai Long, Tran Thi Ngu Ngon
Design Team: Phan Quang Vinh, Trinh Thanh Tu
Text Description: © Courtesy of Tropical Space, Wienerberger Brick Award
Images: © Tropical Space, Hiroyuki Oki

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Termitary House / Tropical Space
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