SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

An intricate three-dimensional lattice of narrow timber slats forms a cloud-like mass around the exterior of this pineapple cake shop in Tokyo by Japanese architect Kengo Kuma (+ slideshow).

SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

Kengo Kuma and Associates was asked by cake brand SunnyHills to come up with a shop design that mirrors the careful preparation of the company’s trademark pineapple cakes, so the architects developed a volume modelled on a well-crafted bamboo basket.

SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

Over 5000 metres of wooden strips were used to construct the precise 3D grid that wraps around around the outer walls and ceiling of the three-storey building. Some pieces were cut shorter than others, revealing multiple layers and reducing the overall linearity.

SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

“Our aim was to create a forest in the busy city centre,” said Kengo Kuma. “We studied how lighting states would change in a day in the woods, and came up with a shape like a basket.”

SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

The narrow slats are arranged at angles of 30 and 60 degrees, creating hundreds of diamond-shaped hollows, and were assembled by local Japanese craftsman.

SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

“I consider that wood joints without glues or nails are the essence of Japanese architecture,” added Kuma. “What is characteristic about SunnyHills is the angle of the lattice; unlike the conventional 90 degrees, we tried 30 degrees and 60 degrees to combine the pieces.

SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

“By designing with these varied angles, we were able to achieve a shape and a frame that evokes a forest,” he added.

SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

An opening at one corner leads visitor into the shop, which occupies the two lower floors of the building. An assortment of differently sized staircase treads form a route between the two floors and are flanked by sprouting foliage.

SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

Cork tiles provide flooring on the first floor, where the architects have also added a kitchen. The cork surface continues up to the level above, which houses a meeting room and staff office.

SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

Photography is by Daici Ano.

SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice

Here’s a project description from Kengo Kuma and Associates:


SunnyHills at Minami-Aoyama

This shop, specialised in selling pineapple cake (popular sweet in Taiwan), is in the shape of a bamboo basket. It is built on a joint system called “Jiigoku-Gumi”, traditional method used in Japanese wooden architecture (often observed in Shoji: vertical and cross pieces in the same width are entwined in each other to form a muntin grid). Normally the two pieces intersect in two dimensions, but here they are combined in 30 degrees in 3 dimensions (or in cubic), which came into a structure like a cloud. With this idea, the section size of each wood piece was reduced to as thin as 60mm×60mm.

Site plan of SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice
Site plan – click for larger image

As the building is located in middle of the residential area in Aoyama, we wanted to give some soft and subtle atmosphere to it, which is completely different from a concrete box. We expect that the street and the architecture could be in good chemistry.

Floor plans of SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice
Floor plans – click for larger image

Design architecture: Kengo Kuma & Associates
Structure: Jun Sato Structural Engineering
Facilities: Kankyo Engineering
Construction: Satohide Corporation
Location: Minami Aoyama 3-10-20 Minato-ku Tokyo Japan
Site Area: 175.69 sqm
Building Area: 102.36 sqm
Total Floor Area: 293.00 sqm
No. of Floors: BF1, 1F, 2F, RF
Structure: reinforced concrete, partially timber
Primary use: Store (retail)
Client: SunnyHills Japan

Section of SunnyHills cake shop by Kengo Kuma encased within intricate timber lattice
Section – click for larger image

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Ninkipen! exposes wooden columns and trusses inside O Pharmacy

Chunky wooden columns and beams support the sloping timber ceiling of this small pharmacy by Japanese studio Ninkipen! in the city of Ogaki (+ slideshow).

O Pharmacy by Ninkipen! features exposed wooden ceiling

Osaka architects Ninkipen! designed the pharmacy for a plot in front of a hospital and chose to let the building’s facade signal its presence to patients, rather than employing typical neon signs.

O Pharmacy by Ninkipen! features exposed wooden ceiling

“We considered how the architecture itself could become a symbol in the town, but unlike other pharmacies filling the streets with big, showy graphic signage,” explained the architects.

O Pharmacy by Ninkipen! features exposed wooden ceiling

The underside of the building’s long pitched roof is clad in timber to create an expansive, warm surface that can be seen through the full-height windows and is intended to welcome visitors entering the pharmacy from the street.

O Pharmacy by Ninkipen! features exposed wooden ceiling

The roof’s low eaves correspond to those of neighbouring buildings, while grass planted on top will eventually cover the entire surface.

O Pharmacy by Ninkipen! features exposed wooden ceiling

A skylight in the middle of the ceiling brings additional daylight into the reception area, as well as to a raised walkway beneath the roof on the upper storey.

O Pharmacy by Ninkipen! features exposed wooden ceiling

The exposed wooden trusses supporting the roof contrast with black metal bracing rods and the black electrical cords from which bare pendant bulbs are suspended.

O Pharmacy by Ninkipen! features exposed wooden ceiling

The dispensing desk is also clad in timber to maintain a consistency of materials throughout the interior.

O Pharmacy by Ninkipen! features exposed wooden ceiling

Photography is by Hiroki Kawata.

Here’s a short project description from Ninkipen!:


O Dispensing Pharmacy

This is a new construction for a pharmacy in front of a general hospital.We considered how the architecture itself could become a symbol in the town, but unlike other pharmacies filling the streets with big, showy graphic signage.

O Pharmacy by Ninkipen! features exposed wooden ceiling

A single sloping roof you can see from the street is made of timber and it will be completely covered with grass in a few years. We lowered the edge of the eaves like the surrounding eaves and made the ceiling continue from there to the second floor with a truss with steel diagonal rods. You can look around to the sky on the other side when you enter the pharmacy.

O Pharmacy by Ninkipen! features exposed wooden ceiling

We think the warm timber ceiling on the back of the roof will gently greet the people coming in for medicine. We are happy if citizens remember this as ‘the Wood Roofed Pharmacy’ and for them this becomes a virgin landscape of pharmacy.

O Pharmacy by Ninkipen! features exposed wooden ceiling

Architect: Yasuo Imazu / ninkipen!
Stractual engineer: Yosiki Mondo
Use: dispensing pharmacy
Location: Ogaki city, Japan

Site area: 177.00m2
Building area: 106.50m2
Total floor area: 172.14m2

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Shimpei Oda reworks humble Japanese house to create light-filled spaces

Japanese architect Shimpei Oda has reworked the dark interior of a humble 1920s house in Kyoto to bring natural light into living spaces and create a small gallery that opens to the street (+ slideshow).

House in Shichiku by Shimpei Oda

With a width of just 4.1 metres, House in Shichiku is typical of the long and narrow houses built in many of Japan’s dense urban districts, nicknamed “eel beds”, and the challenge for Shimpei Oda was to work out how to bring daylight inside.

House in Shichiku by Shimpei Oda

“Because the next building was way too close, the inside of the house was so dark, even in the daytime,” said Oda.

House in Shichiku by Shimpei Oda

The two storeys of the house were re-planned to ensure each of the main rooms received natural light, whether from a window or through openings in the walls or ceilings.

House in Shichiku by Shimpei Oda

According to Oda, the house had suffered several poor quality renovations in the past, so missing walls and pillars had to be replaced.

House in Shichiku by Shimpei Oda

“The existing structure was arbitrarily shifted and newly inserted structures and reinforcements were painted with white colour,” he said.

House in Shichiku by Shimpei Oda

The small gallery is located on the ground floor and is fronted by a square grid of nine windows, some of which fold open to provide a direct access from the street.

House in Shichiku by Shimpei Oda

The main entrance sits alongside and leads through to a generous open-plan space that functions as a living room, dining space and kitchen.

House in Shichiku by Shimpei Oda

Bathroom and toilet facilities were considered least in need of natural light, so are grouped together in the space between the living room and gallery.

House in Shichiku by Shimpei Oda

A lightweight steel staircase with a zigzagging profile leads directly up to a home office with bedrooms on either side. Exposed wooden columns and joists support the roof, while large openings help to bring light through each space.

House in Shichiku by Shimpei Oda

Photography is by Shinkenchiku-sha.

Here’s the project description from Shimpei Oda:


House in Shichiku

This was the renovation of a house which was built in the 1920s and the house was surrounded by old rows of houses. The house with a frontage of 4.1 metres and depth of 12.8 metres was like so-called “sleeping places of an eel”.

House in Shichiku by Shimpei Oda

Because the next building was way too close, the inside of the house was so dark even in the daytime. The house had been illogically renovated at several times before so that important pillars and walls were missed.

House in Shichiku by Shimpei Oda

A resident hoped to live with furniture and paintings. A studio, sanitary, and home office were inserted as volumes of the structure. Those intended not only to reinforce the house but also to softly divide spaces to up and down and left and right.

House in Shichiku by Shimpei Oda

The whole image was glimpsed from openings and slits which were widely opened and the volumes itself were painted with white colour so that the texture could visually stand up to indicate the depth and extent.

House in Shichiku by Shimpei Oda

The front of the studio opened to alley was changed from a shutter to windows. To change to the well reflective material of lean-to roof, it functioned as a reflector and could get the natural lightning to the inside so it diffused to bright all. Also, it was concerned the transition of brightness by time.

House in Shichiku by Shimpei Oda

The existing structure was arbitrary shifted and newly inserted structures and reinforcements were painted with white colour. Those were created the context of time but functionally which meant to indicate those things mixed naturally without any conflicts. The softly divided space may be able to use by any discoveries for the living, studio, and home office as extension with the factor of furniture and paintings which may increase in the future.

House in Shichiku by Shimpei Oda

Project name: House in Shichiku
Location of site: Kyoto, Japan
Site area: 83.50 sqm
Building area: 53.60 sqm
Total floor area: 91.00 sqm
Type of Construction: wood
Program: house

House in Shichiku by Shimpei Oda
Site plan
House in Shichiku by Shimpei Oda
Floor plans – click for larger image
House in Shichiku by Shimpei Oda
Long section – click for larger image
House in Shichiku by Shimpei Oda
Perspective diagram – click for larger image

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House in Kawanishi by Tato Architects resembles Australian dwellings

Following the Australian home we published earlier this week based on Japanese architecture, this house in Hyogo, Japan, was designed by Tato Architects with the same hipped roof, stilted structure and wide balcony that are common to residences in Queensland, Australia (+ slideshow).

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

Yo Shimada of Tato Architects decided to base the two-storey House in Kawanishi on the archetypal Australian dwelling known as “The Queenslander” after coming across photographs of the buildings in construction.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

“Since then, I have been interested in the form of this style of house,” said Shimada, explaining how he was later able to visit Australia and see the houses for himself. “It’s a design solution that mirrored my own thinking,” he added.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

The stilted structure of the house, comprising a system of exposed steel I-beams, allowed Shimada to recess part of the ground floor to allow ample room for a public walkway that runs alongside the property.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

The first floor still continues to the edge of the site, sheltering part of the walkway but also framing the house’s entrance lobby – a transparent glass box containing a cabinet for storing shoes before entering.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

According to Shimada, this space is intended to highlight the boundary between the public space of the walkway and the privacy of the domestic interior. “It sits reminiscent of a bus stop containing furniture brought there by neighbours,” he said.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

Square in plan, the house has a non-symmetrical grid that defines the sizes of rooms contained within. Living, dining and kitchen areas occupy a large open-plan space on the ground floor, but are loosely separated by a boxy white bathroom.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

Two large voids in the ceiling allow views up to the floor above. One of these openings also functions as a stairwell and ascends up over a storage area at the front of house.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

A landing halfway up the stairs creates a sunken seating area for a study above, allowing the floor surface to be used as a desk.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

The entire first floor is lined with lauan plywood. Internal windows allow views between rooms on this level, while skylights bring extra daylight in through the sloping roof above.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

The house’s balcony stretches across the entire south facade. A garage is positioned underneath and can be accessed by sliding back an industrial metal door.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

Concrete-block walls with occasional perforations enable a system of natural ventilation, with hot air released through a chimney at the rear.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

Photography is by Shinkenchiku-sha.

Here’s a project description from Tato Architects:


House in Kawanishi

Layered Boundaries

The project presented an unusual challenge: A public walkway ran adjacent to the western boundary of the house. It narrowed awkwardly from a three metre-wide road on approach from the north to a mere seventy centimetres on the eastern border to the southern corner of the site. If walls had been built to the boundary of the site to protect the residents’ privacy from the many passers-by who used this path, the path would narrow oppressively and become more difficult for the area’s residents to use.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

Instead, the ground floor was set back from the boundary to give space to the path and to give the impression that the full width of the path continued through. Then the second floor of the house was built back over the path, out to the boundary of the site and its border with the road. There is a glazed entrance area containing a shoe cabinet that appears to sit beyond the border between the public and private spaces. It sits reminiscent of a bus stop containing furniture brought there by neighbours.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

This theme of crossing borders between road and site is carried through the entire house design. Using the line of the neighbour’s concrete block wall, a new block wall has been built through to the south, crossing an interior space to become the wall of a storage space. This harnesses the height differences originally found in the site.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

The area above the storage space then forms a landing for the stairs, and the level of the first floor has been adjusted to function as a desk sitting over the landing. This creates a space that is partly a border between a floor and partly a desk. Seen from the street, the ground floor, the first floor, and the interior and the exterior all appear to cross over.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

The interior walls of the upper volume are all lauan plywood, which creates a singular space that lives in clear contrast to the ground floor, which contains a variety of materials and features. The whole design suggests an evolving living space with features that appear to cross beyond boundaries yet control them at the same time.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

Gaining anonymous knowledge

The house style called a “Queenslander” is a stilt house with a wooden structure and a balcony design specific to Queensland in Australia. While some researchers in Japan have studied it, I had little knowledge of it until I encountered photographs of Queenslander houses being lifted during their conversion and renovation from one to two-story structures. Since then, I have been interested in the form of this style of house.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

By a curious coincidence, last year I received a request from an Australian man to design his house. I flew there in June in 2013 for the site research, where I found the city space was surprising. Most of the Queenslanders I saw had hipped roofs with overhangs that covered all of the exterior space of the house. These roofs were clad in corrugated iron, painted white or silver to reflect the heat. To facilitate ventilation, which is normally difficult with a hipped roof, ventilators were installed on top. During their conversion to their two-storey form, various additional house features were being built in under the lifted volumes.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings

It’s a design solution that mirrored my own thinking in the design of this house, which was under construction at that time. While I design my architecture, I am sometimes encouraged by the knowledge I gain from anonymous predecessors who have had to deal with similar matters beyond time and regions. It is a wonderful moment to be able to touch an unbroken line of history in architecture and accumulate knowledge from it.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings
Ground floor plan – click for larger image

Structure

The plan is defined by a grid, with four squares slightly shifted off centre, and a modified square hipped roof formed by raising it at the centre. The simple, slim rigid joint frame structure consists of 125mm×125mm square steel columns and 200mm×100m H section steel beams. It realises its strength through its stiffness, by the low ceiling height and by the column bases buried in the foundation.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings
First floor plan – click for larger image

On the edge of the eaves, small section flat steel pipes are inserted to channel the steel rafters around the structure. The concrete block wall on the ground floor stands without counterforts through the support of flat steel bars inserted into some of the block holes.

House in Kawanishi by Tato Architects based on Australia's "Queenslander" dwellings
Section – click for larger image

Location of site: Hyogo, Japan
Site area: 120.54 sqm
Building area: 59.84 sqm
Total floor area: 107.73 sqm
Type of Construction: steel
Program: house
Project by: Tato Architects
Principal designer: Yo Shimada
Structural engineer: S3 Associates Inc.

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Tokyo house by Atelier Tekuto with skylight designed to “frame the sky”

This Tokyo house by Japanese office Atelier Tekuto features a huge triangular window that angles up over the rooftops of surrounding houses to bring daylight in from above (+ slideshow).

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

The four-storey house is located within one of the city’s many dense residential areas, so Atelier Tekuto tried to make the most of natural light by framing a view of the sky and clouds, hence the project title Framing the Sky.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

“We realise that skylights are the most important openings in urban houses,” said the architects. “It is because the sky is the only element of nature left in the urban context, and the skylight serves as an interface between people and nature.”

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

The huge window is positioned above a double-height living room on the second floor. It is set at an angle to bring light right across the space, and through to a kitchen and loft bedroom just behind.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

“When you stand under this large skylight, you feel plenty of sunlight showering onto your body,” said the architects.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

The two lower levels of the house both meet the ground, which allowed the architects to separate the main entrance from the garage access.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

A small study sits behind the garage and has a ceiling of glass blocks to bring light in from above. These become the floor of the entrance corridor, leading residents through to a staircase that features wooden treads and a balustrade made of vertical pipes.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

Wooden joinery features throughout, from the shelves and cupboards in the kitchen to desks, sideboards and seating areas elsewhere in the house.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

Photography is by Toshihiro Sobajima.

Here’s some information from Atelier Tekuto:


Framing the Sky

This house is situated in an urban residential district at Aoyama in Tokyo. The polygon-shaped site has a 2.7 meter gap therefore we located the garage entrance on the basement floor on the south side and the main entrance to the house on the first floor on the west side.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

The program requested by the clients are as follows; garage and bicycle parking space on the basement floor; main entrance, bathroom and master bedroom on the ground floor; Living room /dining space with kitchen on the second floor; and children’s room in the loft space. The main design concept of this house is “framing the sky”.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

We focus on the relationship between nature and people in the city. We realise that skylights are the most important openings in the urban houses. It is because the sky is the only element of nature left in the urban context, and the skylight serves as an interface between people and nature.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

The volume of the house is decided according to height restriction lines, and the size of the skylight is determined according to the maximum glass size.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

When you stand under this large skylight, you feel a plenty of sunlight showering onto you body. It makes you feel that you are a part of nature in this blue urban sky.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

Location: Tokyo, Japan
Building use: private house
Site area: 69.15m2
Building area: 38.72 sqm
Total floor area: 77.44 sqm

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"

Construction: Reinforced concrete (basement) + steel
Architectural design: Yasuhiro Yamashita – Atelier Tekuto
Constructional design: Jun Sato – Jun Sato Structural Engineers
Construction management: Takahiro Watai – Nissho Kogyo Co.Ltd.

Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"
Floor plans – click for larger image
Tokyo house by Atelier Tekuto with skylight designed to "frame the sky"
Elevation

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Krampon house by Shogo Aratani climbs over a rocky site

This house by Japanese architect Shogo Aratani clambers over a steep rocky site in Hyogo, so it was named Krampon after the spiky devices that strap onto shoes to improve grip for climbing (+ slideshow).

Krampon house by Shogo Aratani climbs over a rocky site

Shogo Aratani designed the two-storey house for a site with an 11-metre change of level from front to back, so he divided the building into a series of blocks that stagger up to follow the slope of the hill.

Krampon house by Shogo Aratani climbs over a rocky site

“We decided to place volumes along the sloped ground to minimise excavation,” said the architect. “We designed the spatial sequence in relation to the landscape by placing three volumes along contour lines.”

Krampon house by Shogo Aratani climbs over a rocky site

The three rectilinear volumes fan out around a triangular central section that accommodates the houses’s main staircase, but which also functions as a small library. Books can be stored on shelves around the three edges of the space, as well as within the gaps between treads.

Krampon house by Shogo Aratani climbs over a rocky site

The living rooms are all positioned on the upper floor of the house to offer the best views of the surrounding neighbourhood, and open to a large wooden roof deck.

Krampon house by Shogo Aratani climbs over a rocky site

A skylight above the living room reveals the branches of a camphor tree and cherry tree at the top of the site, while the kitchen features a stainless steel countertop and glass doors leading out to a narrow balcony.

Krampon house by Shogo Aratani climbs over a rocky site

Black powder-coated metal panels clad the exterior walls. There’s also a concrete retaining wall framing a driveway at the lowest level of the site.

Krampon house by Shogo Aratani climbs over a rocky site

Photography is by Yutaka Kinumaki.

Here’s a project description from Shogo Aratani:


Krampon

This is a residential area where the magnificent nature still remains. The site is situated on a sloped land among natural forest. Two large trees with beautifully shaped branches (one is a camphor tree and the other a cherry tree) stand on top of the site. These trees are integrated into the residential design.

Krampon house by Shogo Aratani climbs over a rocky site

The entire site is steeply sloped, and the gap between the top and the bottom is as large as approximately 11 meters. And the ground composed of a rock bed is extremely hard. Considering these landscape conditions, we decided to place volumes along the sloped ground to minimise excavation.

Krampon house by Shogo Aratani climbs over a rocky site

In order to provide the best view, the main spaces are located on the top floor and the other interior spaces are connected along the slope down to the street level. We designed the spatial sequence in relation to the landscape by placing three volumes along contour lines.

Krampon house by Shogo Aratani climbs over a rocky site

The upper volume is placed right underneath the two large trees. A skylight is provided in the living room to see the trees above. The volume on the north is allocated for bathroom. The volume on the lower level contains private rooms on the first floor and a wood-decked terrace on the roof, accessible from the living room. We place stairs with the same inclination as the ground at the intersection of the three volumes. The stair space is used as a library, while the stairs are designed to accommodate a large number of books.

Krampon house by Shogo Aratani climbs over a rocky site

By designing the three volumes along the landscape, diverse activities are generated and one can enjoy unique spatial sequences as they are.

Krampon house by Shogo Aratani climbs over a rocky site

A sizeable volume of rock was excavated upon construction of the garage, and it is reused as exterior finish on pavements and steps along the entryway.

Krampon house by Shogo Aratani climbs over a rocky site
Upper floor plan – click for larger image

Location: Hyogo, Japan
Principal Use: House
Structure: timber frame
Site Area: 360.35 sqm
Building Area: 104.53 sqm
Total Floor Area: 136.65 sqm (84.05m2/1F, 52.60m2/2F)
Structural Engineer: S3 Associates Inc.
Construction: Amerikaya Co.,Ltd.

Krampon house by Shogo Aratani climbs over a rocky site
Sections – click for larger image

Material Information
Exterior Finish: Lap Siding / Oil Paint
Floor: Ash Flooring t18 / White Oil Paint
Wall: Plasterboard t12.5 / Emulsion Paint with Sand
Ceiling: Basswood Plywood t4

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Mola Headlamp by Snow Peak: An innovative light that focuses its beam to the predicted line of sight using gravity and a counterweight

Mola Headlamp by Snow Peak


Aside from increasing luminosity and battery life, there is seemingly little room for innovation in headlamp design—the essential utility piece for camping, backpacking and adventures of the like. Leave it to Japan’s purveyor of intelligent outdoor products ); return…

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Nanamica Cycling Pack: A sleek black bag that’s as stylish as it is functional

Nanamica Cycling Pack


When it comes to backpacks, often basic is best. And, in the case of the Nanamica Cycling Pack, neither bells nor whistles were needed to enhance the bag’s intelligently refined…

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Yuko Nagayama floats an apartment above a patisserie in Japan

A bulky concrete apartment appears to hover above the glass roof of a patisserie at this combined home and workplace in Chiba Prefecture by Japanese studio Yuko Nagayama & Associates (+ slideshow).

Katsutadai House by Yuko Nagayama and Associates

Yoko Nayagama & Associates designed Katsutadai House to accommodate both the home and business of a family, but wanted the different functions to appear as two separate entities.

Katsutadai House by Yuko Nagayama and Associates

To achieve this, the architects recessed the middle floor of the three-storey building, creating a large void between the patisserie and the living and dining room of the apartment above.

Katsutadai House by Yuko Nagayama and Associates

They then added a glass roof over the patisserie and a window in the floor of the living room, allowing light to enter the building and letting residents peer down to catch a glimpse of the activities taking place below.

Katsutadai House by Yuko Nagayama and Associates

“During the daytime it will be a lightwell for a patisserie, and at night time the lights leaking from this aperture make it look like a treasure box has been opened,” explained the studio.

Katsutadai House by Yuko Nagayama and Associates

While the upper level has a windowless facade of exposed concrete, the walls of the patisserie have been rendered white to create a marbled effect.

Katsutadai House by Yuko Nagayama and Associates

Wooden doors slide back to invite customers inside the shop. A serving counter runs along the back wall of the space, while a kitchen and food preparation area are tucked away at the back.

Katsutadai House by Yuko Nagayama and Associates

A separate staircase leads up to the residence above, where a master bedroom and bathroom comprise the small first floor. The childrens’ room and extra bathroom are located above.

Katsutadai House by Yuko Nagayama and Associates

Photography is by Daici Ano.

Yuko Nagayama & Associates sent us this project description:


Katsutadai House

A dwelling with shop at Katsutadai, Chiba prefecture, Japan. The outer part of 1st floor is a patisserie and the inner part is a cuisine, 2nd and 3rd floor is a dwelling for a family of four people. This house has an aerial wedge in between 1st and 3rd floor, so that the upper part of dwelling is looks like floating above a patisserie as a view on street.

Katsutadai House by Yuko Nagayama and Associates

This aerial wedge will be changing its character as the photic layer with different times – during the daytime it will be a light-well for a patisserie, and the nighttime the lights leaking from this aperture look like a treasure box is opened. And we can see a sole of dwelling volume in a patisserie based on its transparent glass roof. The wall of shop along the street is planned to 1.8 metres height and it is gradually being higher toward the inside. That is based on our intention to create a familiar open space like an empty-lot where is just surrounded by low wall.

Katsutadai House by Yuko Nagayama and Associates

This house has an inter-observing relationship between a shop and a floating dwelling space that makes different independent existence in a single building simultaneously. Each space has a particular sense of distance to the surrounding environment.

Katsutadai House by Yuko Nagayama and Associates

A shop space is a kind of continuous exterior with the street scape where is only surrounded by low wall. And a dwelling space is more separated form the surroundings where is floating above the street and has non-openings along the street, so that dwellers cannot see other houses directly and vice versa.

Katsutadai House by Yuko Nagayama and Associates
Ground floor plan – click for larger image

Additionally, we put a kind of wind-path in a dwelling part that brings the wind and the sounds form the outside to the inside space, and then dwellers can be feel an atmosphere of the street. When we went their previous house for the first time (1st floor was a shop and 2nd floor was a dwelling), a curtain is closed due to concerning about the eyes from street, and they also troubled with the noise of their child’s footstep form upstairs to patisserie. Therefore, we also attempted a solution of those problems in the schematic design.

Katsutadai House by Yuko Nagayama and Associates
First floor plan – click for larger image

The approach is planed to have an attractive appearance with long length to change the mood between a shop and a dwelling. We intended to change a sense of distance to the surroundings with the situations – such as high public patisserie space and more independent dwelling space, and those senses of distance change the flow of time between the spaces in their life.

Katsutadai House by Yuko Nagayama and Associates
Second floor plan – click for larger image

Architect: Yuko Nagayama & Associates/Yuko Nagayama, Yohei Kawashima
Location: Katsutadai,Yachiyo, Chiba, Japan
Function: dwelling with shop
Site area: 100 metres squared
Architectural area: 79.9 metres squared
Total floor area: 178.5 sqm
Structure: steel
Year: 2013

Katsutadai House by Yuko Nagayama and Associates
Section – click for larger image

The post Yuko Nagayama floats an apartment
above a patisserie in Japan
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Yang Zhao completes fishermen’s pavilion for Toyo Ito’s post-tsunami reconstruction project

The latest project to complete in Toyo Ito‘s Home For All community rebuilding initiative is this timber and concrete pavilion in a Japanese fishing village, designed by Kazuyo Sejima‘s protégé Yang Zhao (+ slideshow).

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Jonathan Leijonhufvud

Home For All in Kesennuma is the ninth building in the Home For All project, which was initiated by Japanese architect Toyo Ito just days after the 2011 Tōhoku earthquake and tsunami hit Japan, and involves the construction of new community buildings in the worst-hit areas.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Jonathan Leijonhufvud

Under the supervision of SANAA principal Kazuyo Sejima, Japanese Chinese architect Yang Zhao designed his building for the coastline of the Kesennuma fishing community in north-west Japan, creating a structure that can be used as a market hall, a meeting place or a performance area.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Jonathan Leijonhufvud

“It’s a shelter in which fishermen can take a rest, a place where the wives would wait for their husbands to return with the catch and sometimes a marketplace,” explained Zhao.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Jonathan Leijonhufvud

The structure was built with a hexagonal plan. Concrete walls support a large pitched roof and also frame a trio of wooden platforms that accommodate different activities.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Jonathan Leijonhufvud

The first platform accommodates a kitchen and can be enclosed behind sliding glass doors. The second is based on the engawa, a traditional Japanese veranda, while the third includes both toilet facilities and a seating area.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao_dezeen_8
Photograph by Jonathan Leijonhufvud

A multi-purpose space at the centre of the pavilion is exposed to the elements and features a timber-lined ceiling punctured by a large triangular skylight.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Jonathan Leijonhufvud

“At night, the building glows warmly from within, like a lighthouse, waiting for fishermen to come back from the sea,” said Zhao.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Jonathan Leijonhufvud

The floor inside the pavilion is set at the same level as the surrounding pavement so that forklift trucks can drive into the building on market days.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Hisao Suzuki

Photography is by Jonathan Leijonhufvud, apart from where otherwise stated.

Here’s more information from Yang Zhao:


Home For All in Kesennuma

The home-for-all in Kesennuma is designed and built as a gathering space for a fishing community that severely suffered from the Tsunami in 2011. It is located at Kesennuma’s Oya fishing harbour that serves as a centre for the local fishing activities and community life. It’s a shelter in which fishermen can take a rest, a place where the wives would wait for their husbands to return with the catch and sometimes a marketplace.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Kazuyo Sejima and Yang Zhao at the launch event – photograph by Jonathan Leijonhufvud

Most part of the space opens to the exterior. A roof, supported by 3 “rooms”, covers an area of 117 square metres. At the centre is a triangular-shaped hole in the ceiling that allows people to gaze directly at the sky. The “rooms” with lifted benches are oriented toward the centre and, at the same time, towards views of the surrounding landscape through the three entrances from different sides. The kitchen room is glazed by glass sliding doors and can be slide open in pleasant weathers. The room nearest to the water can be enjoyed as an engawa (a space underneath the eaves, an important space for Japanese architecture and daily life). The toilets are accessed and ventilated from the outside, while oriented towards the centre and the sky through the slanted glazing. The surrounding ground will be paved to the same level as the space inside, allowing forklifts to enter in market hours.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Hisao Suzuki

The elemental geometry of the roof creates a dome-like space underneath. Together with the plywood (Japanese cypress) materiality, it generates a warm and protective atmosphere. At the same time, the transparency of the supporting structure creates an open and welcoming character. At night, the building glows warmly from within, like a lighthouse, waiting for fishermen to come back from the sea.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Hisao Suzuki

The project was the collaboration between architect Yang Zhao and his mentor Kazuyo Sejima during the 6th cycle of the Rolex Mentor and Protégé Art Initiative. The architects had three workshops with the local community to discuss about the design and get their approval to build. The completion and transfer ceremony took place on Oct. 27, 2013. The photos were taken on the ceremony day.

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Hisao Suzuki

Architect: Yang Zhao
Advisor: Kazuyo Sejima
Local Architect: Masanori Watase
Design team: Ruofan Chen, Zhou Wu
Structural engineering: Hideaki Hamada
Site supervision: Takezou Murakoshi

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Hisao Suzuki

Client: People of Ohya district in Kesennuma-city, Miyagi prefecture, Japan
Site area: 419.21m2
Built area or Total floor area: 93.45m2
Cost: 10,0000 euros
Design phase: Dec 2012 – Jun 2013
Construction phase: Jul 2013 – Oct 2013

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Photograph by Hisao Suzuki

Roof: galvanised steel sheet
Ceiling: plywood + protective coating
Exterior wall: concrete + protective coating
Interior wall: concrete + protective coating

Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Floor plans – click for larger image
Home For All in Kesennuma by Kazuyo Sejima and Yang Zhao
Sections and elevations – click for larger image

The post Yang Zhao completes fishermen’s pavilion for
Toyo Ito’s post-tsunami reconstruction project
appeared first on Dezeen.