urban architecture office: FKI house
original content
apr 18, 2012
urban architecture office: FKI house

‘FKI house’ by urban architecture office, tokyo, japan
exterior view of from west
all images courtesy of urban architecture office




situated on a narrow site in tokyo, japan, the ‘FKI house’ by japanese firm urban architecture office finds itself amongst a residential district of ordinary wooden structures. the concrete volume contrasts and emerges from the mundane suburban backdrop, featuring a wood grain texture to respond to its surrounding context. the external form maintains the gable roof typical of the area, instead finishing the smooth surface with clean corners and edges. square oriel windows project from the façades, introducing natural daylight into the kitchen, living and dining areas on the upper level.

looking at oriel windows from the south



the main entry leads to a ground floor bedroom, enclosed with a rounded concrete wall. a poured-in-place stairway leads to the elevated common areas which use diverse floor heights to accommodate the activity of the inhabitants. strategically placed, it serves as a flexible surface for seating, resting and working for dwellers.

close-up of exterior wall


view of entrance from outside


(left) view of entrance porch
(right) looking at main bedroom from entrance porch


stairs on the first floor


interior view of main bedroom


looking at the living,work space,kitchen,bed space from the dining at the 2nd floor


interior view of work space, living and kitchen


interior on the second floor


(left) view of the lavatory from the entrance porch
(right) interior view of bathroom


surface of wood-gain concrete


exterior at night


site plan


floor plan / level 0


floor plan / level 1






conceptual image of inhabitant activity


conceptual section sketch


conceptual axonometric sketch


diagram of floor surface uses



project info:


location: higashikurume-shi, tokyo
architects: UAo
structural engineers: kanebako structural engineers
general constructors: hanabusa construction
site area: 70.74㎡
building area: 42.44㎡
total floor area: 71.50㎡
structure:  reinforced concrete; 2 stories
principal use: private residence
construction period: april, 2011 

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