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A House Undivided

Toronto, Canada · 2015

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JA Architecture Studio’s compact Toronto infill house uses a simple slab, insulated concrete walls and lime plaster to make a modest home around a central stair.

Practice
JA Architecture Studio
Year
2015
Photographer
Ja Architecture Studio

The project

A House Undivided occupies an infill site between an expressway and a lake in Toronto. JA Architecture Studio approached it as a modest dwelling with a direct construction system and spaces shaped around everyday use.

A Geo-Slab foundation keeps disturbance to the site down and allows the finished floor to sit at ground level. The insulated concrete-form wall system is made with cement-bonded wood particles and finished in white hydraulic lime plaster.

The walls define four zones over two levels, connected by a central stair. The house was completed in 2015, with rooms that remain closely connected rather than heavily divided or decorated.

A narrow side elevation.
The central timber stair.
The kitchen and dining space.
Shelving against the lime-plastered wall.
The upper landing beneath exposed timber.

Credits

Photographer
Ja Architecture Studio

The practice

JA Architecture Studio

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