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Slicing forms negotiate Villa Courbe’s dramatic Alpine topography
Adam Letch

Slicing forms negotiate Villa Courbe’s dramatic Alpine topography

28 Feb 2020  •  Innovations  •  By Allie Shiell

Clad in zinc, Villa Courbe by SAOTA negotiates its sloping site in Switzerland with a series of ‘slices-like’ forms. A sculptural planted roof further amplifies and makes reference to the mountainous topography by appearing to swoop down the site.

Credit: Adam Letch

In addition to the site topography, responding to the site's solar path was key to the design. Oriented towards the north-west, every effort was made to bring light into the house. Fissures between the volumetric ‘slices’ allow for generous, light-filled courtyards while strategically placed skylights bring in light from above. To temper the impact of the summer sun, a laser-cut aluminium shading screen follows the line of the roof.

Credit: Adam Letch

Contrasting with the dark zinc on the outside, the interior material palette is light in colour. White walls and ceilings line the interior space, with timber ceilings selected for the main living areas in order to add warmth and texture. Additional materials include black marble shot through with white veins and limestone layered in horizontal bands, yet another reference to the mountain peaks that surround. The front door and gate are finished with a bond-like copper.

Credit: Adam Letch

Concrete is also used in a number of ways including heavy board-formed panels in the entrance hall, a monolithic curve for the pool cabana, and curtain-like walls for the basement pool and spa, which were cast using a proprietary elastic mould system.

Credit: Adam Letch

Triple glazing with custom curves, solar water heating, geothermal heat pumps and a planted roof ensure the house reaches a high level of environmental performance.

Credit: Adam Letch