Shirasu house with volcanic soil brickwork by Aray Architecture

Volcanic soil was mixed with cement to create the building blocks of this house in south-west Japan by Tokyo studio Aray Architecture (+ slideshow).

Shirasu house with volcanic soil brickwork by Aray Architecture

Located in Kagoshima Prefecture, the two-storey residence accommodates a family of six, who requested an energy-efficient home that incorporates natural systems of heating and cooling.

Shirasu house with volcanic soil brickwork by Aray Architecture

Architect Asei Suzuki of Aray Architecture specified locally produced bricks for the walls of the house, which were made by combining volcanic ash soil with cement. These bricks were used for the both the inner and outer layers of the walls, and are left exposed throughout.

Shirasu house with volcanic soil brickwork by Aray Architecture

“The spaces between bricks form an insulating layer to reduce the thermal load from the outside. It plays the role of an aerated zone to prevent condensation,” Suzuki told Dezeen.

Shirasu house with volcanic soil brickwork by Aray Architecture

A skylight in the centre of the roof helps to draw air up through the building. “The form of the house promotes the airflow stack effect,” added Suzuki.

Shirasu house with volcanic soil brickwork by Aray Architecture

The family dining room and kitchen are positioned in the middle of the house, while a double-height living room occupies a triangular space on one side and opens out to a decked terrace.

Shirasu house with volcanic soil brickwork by Aray Architecture

A timber and steel staircase leads up to the first floor, which contains a children’s room and a study. There’s also a small enclosed terrace, which is fronted by perforated brickwork to allow views down to the street.

Shirasu house with volcanic soil brickwork by Aray Architecture

Asei Suzuki founded Aray Architecture in 2009 and Shirasu house is the studio’s first completed residential project. Before that, the architect was design director for Hiroshi Nakamura & NAP, whose projects include a house with a tree-filled courtyard behind its shimmering glass-brick facade and a cavernous art gallery.

Shirasu house with volcanic soil brickwork by Aray Architecture

Photography is by Daici Ano.

Here’s some more information from ARAY Architecture:


Shirasu

The resident did not rely on energy in South Kyushu of high temperature and humidity, and hoped for ecology life with the environment.

Shirasu house with volcanic soil brickwork by Aray Architecture

The wind of land is felt, rain water is saved, and it enjoys gardening. It is native life. The site is a residential quarter that extends on a Shirasu plateau near from the Kagoshima City downtown. I then thought native house (eco-house) with the soil (Shirasu) as the material that formed this plateau native by the made Shirasu block.

Shirasu house with volcanic soil brickwork by Aray Architecture

Shirasu has a lot of characteristics in other geological features like fireproof, adiabaticity, the humidity conditioning, thermal storage, and lightness, etc. without. Pressurising and construction it the technology of a monotonous block in Shirasu for the pavement that had begun to spread in the city was made the best use of, and production with the block for the construction of Shirasu was tried for the first time.

Shirasu house with volcanic soil brickwork by Aray Architecture

To secure material strength, the outside wall block changed mixing Cirrus. It inlaid with the raw ore of Cirrus to improve the adsorption and desorption of moisture to the inner wall block. At the same time, the character of this Shirasu appears as an expression of the memory accumulating to the block. The house where in all outer had been piled up on an inside and outside midair layer double wall became a space wrapped in the soil like the cave in Cirrus.

Shirasu house with volcanic soil brickwork by Aray Architecture

This inside and outside midair layer double wall has reduced the thermal loading to the inside. In addition, the inner wall block surrounds like finish in any room of the house, and adjusts the indoor humidity. Therefore, the inside is chilly cool, and warm summer in winter.

Shirasu house with volcanic soil brickwork by Aray Architecture

It is a steady throughout the year thermal environment. It proposed the energy performance of underground resources accumulated in the Shirasu plateau and it proposed the space with a new environmental circulation type to the Shirasu block by reproducing.

Shirasu house with volcanic soil brickwork by Aray Architecture
Floor plans – click for larger image
Shirasu house with volcanic soil brickwork by Aray Architecture
Cross section – click for larger image
Shirasu house with volcanic soil brickwork by Aray Architecture
Elevations – click for larger image

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House in Tsurumaki with a hexagonal living room by Case-Real

This house in Tokyo by Japanese studio Case-Real is rectangular at the front and hexagonal at the back (+ slideshow).

House in Tsurumaki by Case-Real

Japanese architect Koichi Futatsumata of Case-Real designed the two-storey House in Tsurumaki for a north-facing site in Setagaya, but was asked by the clients to create a south-facing living room.

House in Tsurumaki by Case-Real

To accommodate this, he added a hexagonal plan to the rear of the house. This created space for additional windows, which are set at 30-degree angles rather than facing directly towards neighbouring houses.

House in Tsurumaki by Case-Real

“This shape resulted in a plan where sunlight continuously shines into the living room from dawn till dusk,” said the design team.

House in Tsurumaki by Case-Real

The living room is located on the upper floor, with a guest bedroom positioned underneath. A wooden staircase runs along the edge of the two rooms, following the outline of the hexagon.

House in Tsurumaki by Case-Real

“The existence of this hexagonal structure works as a strong element to categorise the function, structure and design of the entire house,” added the designers.

House in Tsurumaki by Case-Real

A six-sided ceiling angles up into a central point and is framed by wooden beams that have been painted grey-blue.

House in Tsurumaki by Case-Real

This colour recurs throughout the house, from walls and doors to kitchen cabinets, staircase treads and balustrades. It is also used for the exterior walls and roof.

House in Tsurumaki by Case-Real

Bedrooms for the parents and children are situated on separate storeys at the front of the house. The kitchen can be found on the first floor and features a ladder leading to a small mezzanine loft.

House in Tsurumaki by Case-Real

Photography is by Takumi Ota.

Here’s a project description from Case-Real:


House in Tsurumaki (Tokyo, Japan, 2013)

A detached house standing in the high density residential area in Tokyo.

House in Tsurumaki by Case-Real

The site for this project was one of the five subdivided areas with the north side facing the street, and the other three sides neighbouring the other houses. Within these difficult circumstances the client wished for a living room on the south side full of sun light.

House in Tsurumaki by Case-Real

The core of this residential housing is the hexagon volume on the southern side of the site. This shape resulted in a plan where sunlight continuously shines into the living room from dawn till dusk.

House in Tsurumaki by Case-Real

Creating a minimum parking space needed for a compact car and by sliding the volume of the structure to the north as far as possible, we were able to keep a planting ground and to efficiently let light into the room.

House in Tsurumaki by Case-Real

For the plan of each floor and its traffic lines, the roof and the beam which can be seen at the ceiling of the 2nd floor, the existence of this hexagonal structure works as a strong element to categorise the function, structure and design of the entire house.

House in Tsurumaki by Case-Real

Design: Koichi Futatusmata, Yasushi Arikawa (CASE-REAL)
Structural Engineer: Hirofumi Ohno (Ohno Japan)
Design Cooperation, Construction: Yoshida building firm
Lighting Plan: Tatsuki Nakamura (BRANCH lighting design)Location: Tokyo, Japan

House in Tsurumaki by Case-Real

Type of Project: Newly build
Use: Residence
Period: Jun 2012 – Jun 2013

House in Tsurumaki by Case-Real

Structure: Wood frame
Scale: 2 storey
Building area: 61.2 sqm
Site area: 123 sqm

House in Tsurumaki by Case-Real
Site plan – click for larger image
House in Tsurumaki by Case-Real
Floor plans – click for larger image and key
House in Tsurumaki by Case-Real
Front and rear elevations – click for larger image
House in Tsurumaki by Case-Real
Side elevation – click for larger image

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Arboleda house by Horibe Associates

The clients for this small house in Tokushima, Japan, asked architect Naoko Horibe for a timber interior and an exterior that looks like a sports car.

Arboleda by Horibe Associates

Naoko Horibe of Osaka studio Horibe Associates says she designed the house to “combine two completely opposing concepts in a single structure, without a sense of clashing.”

Arboleda by Horibe Associates

“One was an exterior like a sports car; the second was a natural interior featuring wood,” she said.

Arboleda by Horibe Associates

A cloak of galvanised metal folds over the sides and roof of the structure, forming an asymmetric shape with a streamlined appearance.

Arboleda by Horibe Associates

This layer of cladding overhangs both the front and rear of the building, creating a sheltered entrance and shading the house’s windows.

Arboleda by Horibe Associates

The interior centres around a combined living and dining area, which leads directly into every other room and removes the need for corridors.

Arboleda by Horibe Associates

Timber roof joists are left exposed across the ceilings, plus the pitch of the roof creates a pair of triangular windows along the upper sections of the walls.

Arboleda by Horibe Associates

The angled roof also allows space for a small loft, which the architect describes as a “special den” for the family’s husband.

Arboleda by Horibe Associates

A bedroom and traditional Japanese room run along one side of the house and are slightly elevated to create storage spaces underneath.

Arboleda by Horibe Associates

Photography is by Kaori Ichikawa.

Floor plan of Arboleda by Horibe Associates
Floor plan – click for larger image
Arboleda by Horibe Associates
Loft plan – click for larger image

Key to diagrams:

1.Approach
2.Entrance
3.Living, dining and kitchen
4.Food storage
5.Terrace
6.Japanese-style room
7.Bedroom
8.Walk-in closet
9.Lavatory
10.Washroom
11.Bathroom
12.Closet
13.Loft

Long section of Arboleda by Horibe Associates
Long section
Section of Arboleda by Horibe Associates
Cross section
West elevation of Arboleda by Horibe Associates
West elevation
South elevation of Arboleda by Horibe Associates
South elevation

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House in Shinoharadai by Tai and Associates

Some of the concrete walls of this house in Yokohama, Japan, by Tai and Associates were formed against wooden planks, while some have been rendered white and others have been left plain (+ slideshow).

House in Shinoharadai by Tai and Associates

Japanese studio Tai and Associates designed the two-storey House in Shinoharadai for a hillside corner plot already owned by the family, creating separate floors for different generations and a small home office.

House in Shinoharadai by Tai and Associates

“A new program composed of a two-family residence and office is applied to the building, while paying attention to preserve the family’s history and memories attached to the land,” said the architects. Continue Reading…

Villa at Sengokubara by Shigeru Ban

This timber house in Kanagawa by Japanese architect Shigeru Ban has a square plan with a teardrop-shaped courtyard at its centre (+ slideshow).

Villa at Sengokubara by Shigeru Ban

Shigeru Ban planned the single-storey Villa at Sengokubara with a radial arrangement, creating a sequence of rooms that each face inwards towards the central courtyard.

Villa at Sengokubara by Shigeru Ban

The roof of the house angles gently inward, creating a canopy around the perimeter of the courtyard, and it varies in height to create lower ceilings at the building’s entrance.

Villa at Sengokubara by Shigeru Ban

Timber columns and roof joists are exposed inside the building, and line the ceilings and rear walls of every room.

Villa at Sengokubara by Shigeru Ban

Spaced wooden slats form partitions and doorways between some rooms, allowing views between spaces.

Villa at Sengokubara by Shigeru Ban

A wooden staircase leads to a mezzanine level beneath the highest section of the room, which looks out over the main living and dining room.

Villa at Sengokubara by Shigeru Ban

Two study rooms are tucked away behind, while the kitchen and main bedrooms are positioned just beyond.

Villa at Sengokubara by Shigeru Ban

A sheltered terrace separates this side of the house from a guest suite containing two bedrooms and a bathroom.

Villa at Sengokubara by Shigeru Ban

Here’s a short description from the architects:


Sengokubara S Residence

The 2‐storey wood structure residence is situated on a flag pole shaped site, 30m square in plan with a 15m diameter interior courtyard.

Villa at Sengokubara by Shigeru Ban

With the main living room centred on the interior courtyard, all spaces are arranged in a radial manner from the entrance.

Villa at Sengokubara by Shigeru Ban

The eight sliding doors separating the main living room and interior courtyard can be opened at any time so that the space can be used as one.

Villa at Sengokubara by Shigeru Ban

The structure is made up of wooden columns and beams, which are 75mm x 350mm L‐shaped pieces, also arranged in a radial manner, creating a large one way sloped roof.

Villa at Sengokubara by Shigeru Ban

The large roof varies in height, achieving ceiling heights between 2.4m to 7.5m.

Villa at Sengokubara by Shigeru Ban

Location: Hakone, Kanagawa, Japan
Architects: Shigeru Ban Architects
Project Team: Shigeru Ban, Nobutaka Hiraga, Wataru Sakaki, Jun Matsumori
Structural engineers: Hoshino Structural Engineering
General contractors Hakone Construction
Principal use: residence
Site area: 1770.00m2
Building area: 576.89m2
Total floor area: 452.60m2
Structure: timber
Number of storeys: 2

Site plan of Villa at Sengokubara by Shigeru Ban
Site plan – click for larger image
Floor plan of Villa at Sengokubara by Shigeru Ban
Floor plan – click for larger image
Elevation of Villa at Sengokubara by Shigeru Ban
Elevation – click for larger image

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House in Ishikiri by Tato Architects

Japanese studio Tato Architects references the ad-hoc extensions of neighbouring buildings with the steel, concrete and wooden volumes that make up this house in Osaka, Japan (+ slideshow).

House in Ishikiri by Tato Architects

Located on the hillside of Mount Ikoma, House in Ishikiri is a three-storey family home and was designed by Tato Architects as a composition of three separate blocks.

House in Ishikiri by Tato Architects

From the rear, the house comprises a glazed ground-floor storey with a gabled upper floor floating above, while the street facade reveals an extra storey and garage tucked underneath.

House in Ishikiri by Tato Architects

“We observed favourably the mosaic pattern of old and rebuilt houses telling each history of over 80 years,” said architect Yo Shimada, explaining how he approached the design as a collection of connected elements.

House in Ishikiri by Tato Architects

“We proceeded with the design by making the places step by step, searching for an appropriate way of building the house that adapts to surrounding environments,”  he added.

House in Ishikiri by Tato Architects

A steel-plated box forms part of the lower ground floor, and contains a storage space and small toilet. A steel framework extends across it, creating space for the adjacent garage.

House in Ishikiri by Tato Architects

A split-level living and dining room occupies a double-height space on the middle floor and features sliding doors that open the space out to a wooden roof terrace.

House in Ishikiri by Tato Architects

A children’s bedroom is also situated on this floor. Positioned on top of the steel box, it comes with a row of windows around its base.

House in Ishikiri by Tato Architects

A staircase cantilevered from the dining room’s concrete wall leads up to a master bedroom and balcony on the top floor.

House in Ishikiri by Tato Architects

The kitchen is positioned at the opposite end of the house, overlooking a rear garden. A guest room above can be accessed by climbing a wooden ladder that extends up through a hole in the ceiling.

House in Ishikiri by Tato Architects

Tato Architects has completed a number of houses in Japan with complicated interiors, including one where wooden furniture forms sections of staircases and one with its upper floors contained inside sheds that sit on the roof.

House in Ishikiri by Tato Architects

Photography is by Shinkenchiku-sha.

Here’s a description from the architects:


House in Ishikiri

In between ‘before’ and ‘after’.

Dark concrete walls and a black house form volume above it, a translucent lean-to roof, a white high flat roof and a silver box under it. Those totally different and inconsistent materials and colours are combined to form this house.

House in Ishikiri by Tato Architects

The site is in a residential area developed around 1930, sloping to the west on a hillside of Mt. Ikoma, which overlooks the urban area of Osaka Plain. We observed favourably the mosaic pattern of old and rebuilt houses telling each history of over eighty years.

House in Ishikiri by Tato Architects

It was not easy to find out the way for making the house coordinated to the surroundings as the site is 3.5m up from the road so that the house would look larger than the actual size. We proceeded with the design by making places step by step searching an appropriate way of building the house that adapt to surrounding environments.

House in Ishikiri by Tato Architects

First, we made concrete walls with rough texture by using formwork made by small split lauan to match with old masonry walls and concrete-block walls in surrounding environments, and covered those with a black house form structure following the roof form of houses in the neighbourhood. After that, living space is made in the way as renovating interior space. The space for facilities to support the daily life such as a kitchen and a bathroom is made in between the concrete walls and the cliff-retaining wall behind the house, covered with a translucent lean-to roof and wooden windows and doors.

House in Ishikiri by Tato Architects

On the road side, a thin, modern flat-roof, which represents a new life style and cars covers the box made of steel plates commonly used for temporary enclosure at construction sites in Japan, pretending the atmosphere of ongoing construction sites.

House in Ishikiri by Tato Architects

These resulted in making places that are related to both ‘before’ and ‘after’. Living places are provided in space where different time-axes meet as ‘concrete walls’ and ‘a black house-type,’ ‘concrete walls’ and ‘a retaining wall,’ and ‘a white flat-roof’ and ‘boxes of steel plates.’

House in Ishikiri by Tato Architects

Rethinking the whole residential are from the way that this house exists would suggests us to rediscover potentials and richness of all elements and space among those with different histories in the area.

House in Ishikiri by Tato Architects

Project name: House in Ishikiri
Location of site: Osaka, Japan
Site area: 233.32m2
Building area: 61.37m2
Total floor area: 99.38m2
Type of Construction: Steel
Program: house
Project by: Tato Architects
Principal designer:Yo Shimada
Design period: March 2010 – April 2012
Construction period: July 2012 – January 2013

House in Ishikiri by Tato Architects
Lower ground floor plan – click for larger image
House in Ishikiri by Tato Architects
Upper ground floor plan – click for larger image
House in Ishikiri by Tato Architects
First floor plan – click for larger image
House in Ishikiri by Tato Architects
Section – click for larger image

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House in Hyogo by Shogo Aratani Architect & Associates

This house in Hyogo, Japan, by local architect Shogo Aratani is made up of overlapping concrete slabs that accommodate an interior of staggered floors and ramped corridors (+ slideshow).

House in Hyogo by Shogo Aratani Architect & Associates

The three-storey house is located at the junction of two roads, one inclining gently upwards and another sloping down, and Shogo Aratani wanted to use these existing levels to generate the floors inside the building.

House in Hyogo by Shogo Aratani Architect & Associates

“We thought that a new development of another level was pointless,” he said. “It was more natural to follow the context.”

House in Hyogo by Shogo Aratani Architect & Associates

The architect designed a split-level floorplate that corresponds with the highest and lowest parts of the road, then incorporated a mediating floor between that matches the level of a neighbouring plot.

House in Hyogo by Shogo Aratani Architect & Associates

“The activities brought out from the characteristics of this site constitute this building, rather than the building determining people’s movements,” added Aratani.

House in Hyogo by Shogo Aratani Architect & Associates

A network of staircases and slopes connects the three ground-floor levels, and also lead up to a pair of bedrooms on the first floor.

House in Hyogo by Shogo Aratani Architect & Associates

Angular concrete forms emphasise the non-linear arrangement, creating sliced window openings through both the walls and rooftops.

House in Hyogo by Shogo Aratani Architect & Associates

Other concrete houses we’ve featured from Japan include one designed for a resident in a wheelchair and one designed to be deliberately alien to its neighbours.

House in Hyogo by Shogo Aratani Architect & Associates

See more Japanese houses »
See more concrete architecture and design »

House in Hyogo by Shogo Aratani Architect & Associates

Photography is by Shigeo Ogawa.

Here’s a project description from the architects:


House in Hyogo

The site is located on a corner lot of a fancy residential area on a hill, and faces toward sloped roads on the west and north sides. This residential area was developed about a half century ago. As time has passed, small-scale developments have been undertaken due to dividing and uniting lots.

House in Hyogo by Shogo Aratani Architect & Associates

Just like the other sites, due to an arbitrary assumption of the developer, this site also has a recently built high wall on the west side, as if rejecting an approach to the site. However, construction of an in-ground garage may have been assumed, and there is level land and a slope to connect the 3m height difference on the southwest side. There is also a slope from the road on the north side, and the flat ground is about 1m high. The flat ground was probably set based on the neighbouring lot.

House in Hyogo by Shogo Aratani Architect & Associates

Therefore, this lot has 3 levels due to the relationship between the roads on the west and north sides, and the neighbouring lot. We thought that a new development of another level was pointless. No matter what the situation was, the context of this location included the current situation and it was more natural to follow the context. Three floor levels, adjusted to each height, were individually made. By connecting these, the entire space was constituted.

House in Hyogo by Shogo Aratani Architect & Associates

Based on the required volume, the three areas were partly layered and connected with stairs and slopes from the entrance to the roof. Volume studies were conducted in order to create a form to materialise such activities. The activities brought out from the characteristics of this site constitute this building, rather than the building determining people’s movements. As a result, the building was constituted with three crisscrossed monolithic forms, as if they were responding to the road on the west side that slopes up from south to north.

House in Hyogo by Shogo Aratani Architect & Associates

The west-side volume in the lowest part of the site has an entrance and a guestroom, and the southeast volume in the highest part has private spaces such as a bedroom. The third volume connects them and also has a garage that is accessible from the north side, and a living space that is the centre of living.

House in Hyogo by Shogo Aratani Architect & Associates

Location: Hyogo, Japan
Date of Completion: July, 2013
Principal Use: House
Structure: Reinforced Concrete
Site Area: 359.64m2
Building Area: 166.23m2
Total Floor Area: 202.80m2 (47.61m2/BF, 119.33m2/1F, 35.86m2/2F)
Structural Engineer: S3 Associates Inc.
Construction: Atelier Eight Co., Ltd.

House in Hyogo by Shogo Aratani Architect & Associates

Exterior Finish: Exposed Concrete / Repellents
Floor: Medium Density Fiberboard t6 / Oil Paint
Wall: Plasterboard t12.5 / Emulsion Paint
Ceiling: Wooden Fibre Cement Board t15 / Heat Insulation t50

House in Hyogo by Shogo Aratani Architect & Associates
Level one plan – click for larger image
House in Hyogo by Shogo Aratani Architect & Associates
Level two plan – click for larger image
House in Hyogo by Shogo Aratani Architect & Associates
Level three and four plan – click for larger image
House in Hyogo by Shogo Aratani Architect & Associates
Sections – click for larger image
House in Hyogo by Shogo Aratani Architect & Associates
Sections – click for larger image
House in Hyogo by Shogo Aratani Architect & Associates
South and west elevations – click for larger image
House in Hyogo by Shogo Aratani Architect & Associates
North and east elevations – click for larger image

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Skyroom by Naruse Inokuma Architects

Partitions that don’t reach the ceiling create the illusion of a larger space in this renovated flat in Japan by Naruse Inokuma Architects (+ slideshow).

Skyroom by Naruse Inokuma Architects

Naruse Inokuma Architects completed the single-storey renovation in an older building and retained the existing ceiling beams, painting sections of the ceilings in five subtly different pale colours.

Skyroom by Naruse Inokuma Architects

The arrangement of colours doesn’t match up with the positions of the wooden divisions, so the individual rooms feel more spacious because the edge of the ceiling extends beyond the wall and can’t be seen.

Skyroom by Naruse Inokuma Architects

“We kept all the partitions at a height below the beams to create connected spaces while maintaining a sense of privacy,” said the architects.

Skyroom by Naruse Inokuma Architects

“The colours emphasise an expanse of space beyond the separate rooms and alter their expression dramatically with the smallest change in lighting,” they added.

Skyroom by Naruse Inokuma Architects

The compact flat includes two bedrooms separated by an atelier, plus a large combined living and dining room. The kitchen and bathroom are separated by the main entrance hall.

Skyroom by Naruse Inokuma Architects

Wooden furniture and floorboards also feature throughout the flat.

Skyroom by Naruse Inokuma Architects

Other projects by Naruse Inokuma on Dezeen include a shared occupancy house with communal areas for cooking, eating and relaxing and a renovated apartment with unfinished plywood and cement smeared over concrete.

Skyroom by Naruse Inokuma Architects

See more projects by Naruse Inokuma »
See more Japanese houses »

Skyroom by Naruse Inokuma Architects

Photography is by Masao Nishikawa.

Here’s a short description from the architects:


Skyroom

This is a renovation project for an old, 80m2 flat. Here, creating an expanse of space within a small, limited area was our biggest theme.

Skyroom by Naruse Inokuma Architects

We kept all the partitions at a height below the beams to create connected spaces while maintaining a sense of privacy. The ceiling, crisscrossed with beams, was painted in five kinds of pale colours.

Skyroom by Naruse Inokuma Architects
Floor plan – click for larger image

Slightly shifted from the layout of the rooms, these colours emphasise an expanse of space beyond the separate rooms and alter their expression dramatically with the smallest change in lighting. Although they compose the small interiors of an 80m2 space, these rooms feel as though they embrace the wide-open sky that changes in expression every moment of every day.

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House Snapped by Naf Architect & Design

This house in Saitama, Japan, by Naf Architect & Design looks like it’s been chopped in half and split open.

House Snapped by Naf Architect & Design

Architect Akio Nakasa of Naf Architect & Design designed the three-storey House Snapped for a couple and created two sections to separate the pair’s shared activities, such as dining and relaxing, from private ones, such as dressing and working.

House Snapped by Naf Architect & Design

“The composition of this residence was inspired by a phrase of the client couple, ‘stranger hours’,” said Nakasa. “This is a witty phrase describing the relationship of the couple, which is not always stereotypically close but sometimes distant like strangers.”

House Snapped by Naf Architect & Design

The smaller side of the building is intended to accommodate the “stranger hours” and contains bedroom and bathroom spaces, while the “shared hours” are assigned to living and dining rooms in the largest side of the house.

House Snapped by Naf Architect & Design

A round wooden column is positioned at the junction between the two sides, emphasising the appearance of a hinge.

House Snapped by Naf Architect & Design

Each room inside the house has a different floor surface, chosen to suit the activities taking place inside. A wool carpet was selected for the bedroom for its sound-absorbing qualities, while the kitchen and dining room has a mosaic floor that will reflect sound and one of the studies is covered with soft cork tiles.

House Snapped by Naf Architect & Design

“The height of the ceiling and flooring materials are chosen according to the nature of the space in order to increase the quality of the time the couple spends together,” added Nakasa.

House Snapped by Naf Architect & Design

The exterior of the house is clad with timber boards, painted in a vivid shade of blue, while the hinged middle features a contrasting white-rendered surface. A triangular lawn occupies the space in between.

House Snapped by Naf Architect & Design

Naf Architect & Design also recently completed a house with a climbing wall and ladders between floors. Other residential projects include a renovated house with a wooden box at its centre.

House Snapped by Naf Architect & Design
Concept diagram – click for larger image

See more architecture by Naf Architect & Design »
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Photography is by Toshiyuki Yano.

Here’s a full project description from Akio Nakasa:


House Snapped

Two buildings, large and small, stand on L-shape plot adjoining at the corner. The form of the two buildings comes is as if one building snapped in two, and they are placed along the shape of the site.

House Snapped by Naf Architect & Design
Ground floor plan – click for larger image

A column stands at the adjoining corner of the two buildings, and four zones, yard, entrance, small and large buildings, are placed radially. Four zones can be shared or partitioned using sliding doors.

The composition of this residence was inspired by a phrase of the client couple, “stranger hours”. This is a witty phrase describing the relationship of the couple, which is not always stereotypically close but sometimes distant like strangers.

The antonym of “stranger hours” may be “shared hours”. The large building incorporates living room, dining room, and kitchen where the couple spend “shared hours” and the small building in the back of the plot incorporates bedroom, bathroom, and toilet where the couple spend “stranger hours”.

House Snapped by Naf Architect & Design
First floor plan – click for larger image

The height of the ceiling and flooring materials are chosen according to the nature of the space in order to increase the quality of the time the couple spends together, whether it is “shared hours” or “stranger hours”. For example, the living room has vaulted ceiling and flooring with high reflectance material for the voices to reach one another. The bedroom has low ceiling and flooring with sound absorption material to keep tranquility.

The yard, where the couple and their neighbours exchange greetings, is covered with soft lawn. The entrance, which accepts all kinds of guests, has whisper concrete finishing which gives more formal impression.

Four zones placed around the column may be flexibly used according to the situation, allowing a compact and comfortable lifestyle.

House Snapped by Naf Architect & Design
Second floor plan – click for larger image

Name of the project: House Snapped
Location: Saitama City, Saitama
Category: detached house
Structure: Wood construction
Number of storeys: 2 storeys above ground
Maximum height: 8.432 m
Maximum eave height: 6.411 m
Frontal road: 4.00m on the east
Site area: 108.49m2 Building area: 51.04m2
Total floor area: 81.41m2
Completion: April 22, 2012
Architect: Akio Nakasa (principal architect), Daisuke Aoki

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Naf Architect & Design
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House of 33 Years by Megumi Matsubara and Assistant Studio

Three separate sections built in different cities make up this steel-framed house in Nara, Japan, by Tokyo architects Megumi Matsubara and Hiroi Ariyama (+ slideshow).

House of 33 Years by Megumi Matsubara

Megumi Matsubara worked alongside Hiroi Ariyama of Assistant Studio to design House of 33 Years, which is made from a mixture of exposed raw materials including steel, timber, concrete, steel cables, clear corrugated plastic and glass panels.

House of 33 Years by Megumi Matsubara

Located next door to an ancient Buddhist temple, the house was designed for an elderly couple who decided to move house after 33 years living in their original home together.

House of 33 Years by Megumi Matsubara

Each part of the house was simultaneously built in three separate locations – the cities of Nara, Sendai, and Aomori – before being transported to the site and put together as one unit, which the architects felt would create an architecture that “moves”.

House of 33 Years by Megumi Matsubara

The roof shell was built in Nara, while the main rooms were built in Aomori from local timber. Meanwhile, a section of the first-floor was built at the Sendai School of Design and housed a farm in the school’s courtyard, before being transferred to Nara.

House of 33 Years by Megumi Matsubara

Architect Megumi Matsubara said the house’s location has a special meaning for the couple. “The husband is originally from Nara and had an attachment and melancholic nostalgia with the temple, having spent a considerable amount of his childhood there,” Matsubara said.

House of 33 Years by Megumi Matsubara

A layered arrangement of glass panes and wooden structures through the interior create different visual perspectives depending on where you stand inside the building.

House of 33 Years by Megumi Matsubara

“By framing views across different areas, images are continuously produced by the inhabitants’ movement,” Matsubara said. “Every image is given its own space of possibility, then overlaps as multiple additions to the home to update the family’s memories.”

House of 33 Years by Megumi Matsubara

Accessed by steel staircases and a wooden ladder elevated at different heights, the first-floor bathroom is cantilevered and offers residents a view of the temple’s bamboo forest while bathing.

House of 33 Years by Megumi Matsubara

This floor is the brightest part of the house, while the smaller, darker room on the ground-floor level is used as a bedroom. The combined living, dining and kitchen space is positioned at the back.

House of 33 Years by Megumi Matsubara

Another project we’ve featured by Megumi Matsubara is an installation in Tokyo featuring 10 conceptual machines all beginning with the letter ‘B’.

House of 33 Years by Megumi Matsubara

Other recently completed houses in Japan include a narrow timber house in Tokyo and a residence with angular cutaways create through the walls, floors and ceilings. See more houses in Japan »

House of 33 Years by Megumi Matsubara

Photography is Tadasu Yamamoto, Shinkenchiku-sha.

Here’s a project description from the architects:


House of 33 Years

Megumi Matsubara & Hiroi Ariyama of the architecture firm Assistant are pleased to announce the completion of House of 33 Years after five years since the project’s inception. The House of 33 Years is a residence located next to the world heritage Todaiji Temple in Nara, Japan. The house was designed for an elderly couple who decided to move to a new house thirty three years after living in their first house.

House of 33 Years by Megumi Matsubara

The House of 33 Years is a house for a collector who collects memories, whose memory and future exist simultaneously in the same space. By framing views across different areas, images are continuously produced by the inhabitants’ movement. Every image is given its own space of possibility, then overlaps as multiple additions to the home to update the family’s memories.

House of 33 Years by Megumi Matsubara

In 2012, during the construction process, the fabrication of the house was partly supported by Aomori Contemporary Art Centre and Sendai School of Design. Its design/fabrication process has been an academic research subject of Adaptable Futures, Loughborough University, UK. The house has been awarded SD Review prize in 2010.

House of 33 Years by Megumi Matsubara
Axonometric diagram – click for larger image

The house consists of multiple pavilions and rooms in wood structure that stand under the big steel-frame house. The relationship between the individual elements defines the character of the house as a whole. Its construction process has been pursued in three separate locations simultaneously; Nara, Sendai, and Aomori. In Nara, the exterior steel roof to cover the whole residence has been constructed on-site.

House of 33 Years by Megumi Matsubara
Section A

Then, having accepted offers by two public institutions, Sendai School of Design and Aomori Contemporary Art Centre, to participate in their artist-in-residence programs, the duo decided to build an unknown experience by linking the two institutions through a single residential housing project, to eventually constitute the house in Nara.

House of 33 Years by Megumi Matsubara
Section B

They broke House of 33 Years, which had been designed as a single house, into parts suitable for making in the two programs, so that the architecture would “move,” so to speak. Each work was also realised as an individual installation piece on which additional features were elaborated, responding to demands from the institution, characteristics of the space, and the chosen method of exhibiting.

House of 33 Years by Megumi Matsubara
Section C

In Sendai, Ghost House, a pavilion to sit on the roof, was built with the students of Sendai School of Design. The pavilion is an homage to Ghost House, one of the pavilions scattered on the large premises of the famous house of Philip Johnson and was given the same name. Over the summer it was sitting in the courtyard of a university campus and the students had grown a farm inside.

House of 33 Years by Megumi Matsubara
Section D

In Aomori, the main rooms in wood-structure was built and developed together with local carpenters, using materials available in Aomori, as an installation piece Obscure Architecture (House of 33 Years, Study), then to become a part of ‘Kime to Kehai’ exhibition at Aomori Contemporary Art Centre. This work always had a fresh look depending on the movement of the sunlight. Physically, this architectural work remained present in the same position, whereas the natural phenomena created by it kept flowing without stopping. After the exhibition period in each city, those elements were disassembled and loaded on a 4-ton truck, and carried to the destination, Nara, where they were recomposed to form the House of 33 Years.

House of 33 Years by Megumi Matsubara
Section D

Project name: House of 33 Years
Location: Nara, Japan
Architects: Megumi Matsubara and Hiroi Ariyama (Assistant Studio)
Client: private
Purpose: private residence
Structural engineer: Mitsuda Structural Consultants
Site area: 189 square metres
Building area: 76 square metres
Total floor area: 104 square metres
Structure: steel frame, wooden
Number of storeys: 2 storeys
Construction period: March 2011 – June 2013

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Matsubara and Assistant Studio
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