GM House Uses Stepped Volumes to Follow the Natural Slope of the Site
References: fredericobicalhoarquitetura
GM House is a residential project in Brazil designed to work directly with the incline of its hillside site. The structure is organized across a series of levels that descend with the terrain, allowing each floor to connect to the ground without extensive grading. Exposed concrete volumes are positioned along the slope, forming a sequence of platforms that define circulation and separate program areas within the house.
The interior distributes living, dining, and sleeping spaces across these stepped levels, with openings placed to align with views and natural light. Retaining walls are integrated into the structure to stabilize the terrain, while built-in elements define transitions between spaces. Outdoor terraces extend from the main rooms, following the same geometry as the stepped layout. Vertical circulation is handled through internal stair connections that link each level within the continuous concrete framework.
Image Credit: Jomar Bragança
The interior distributes living, dining, and sleeping spaces across these stepped levels, with openings placed to align with views and natural light. Retaining walls are integrated into the structure to stabilize the terrain, while built-in elements define transitions between spaces. Outdoor terraces extend from the main rooms, following the same geometry as the stepped layout. Vertical circulation is handled through internal stair connections that link each level within the continuous concrete framework.
Image Credit: Jomar Bragança
Trend Themes
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Stepped-site Architecture — Design strategies that align building volumes with natural slopes enable multi-level ground connections reducing need for massive earthworks and creating platformed spatial sequences.
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Exposed-concrete Aesthetics — Raw concrete as the primary finish and structure foregrounds material honesty and monolithic form language that integrates retaining functions with interior built elements.
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Terraced Indoor-outdoor Living — A sequence of terraces and level-specific openings produces layered indoor-outdoor relationships that optimize views and daylighting across a sloped site.
Industry Implications
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Residential Architecture — Houses organized as stepped volumes challenge conventional floorplan stacking and introduce site-responsive typologies for steep lots.
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Landscape Engineering — Retaining walls embedded into the building illustrate integrated slope-stabilization methods that merge civil infrastructure with architectural expression.
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Modular-concrete Construction — Prefabricated concrete platforms and stair cores imply the feasibility of factory-made stepped modules that assemble into customizable terraced dwellings.
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