Two In One Villa by clavienrossier

A pitched roof and six walls appear as a single block of concrete around these two residences in Geneva by Swiss architects clavienrossier (+ slideshow).

Two In One Villa by clavienrossier

Named Two In One Villa, the building contains a pair of three-storey apartments separated by a party wall. Both have their own front doors and one is significantly larger than the other.

Two In One Villa by clavienrossier

Grône-based clavienrossier gave the building a hexagonal plan to break down its scale, then used a uniform pale-grey concrete for all six elevations.

Two In One Villa by clavienrossier

“The split geometry of the facades makes it difficult to get a grasp of the real size of the building, giving each individual facade a more domestic scale,” say the architects.

Two In One Villa by clavienrossier

Larch-framed doors, windows and skylights puncture the walls and roof. Many of them are recessed to create balconies and terraces on every floor, but they follow a rectilinear grid rather than the angles of the walls.

Two In One Villa by clavienrossier

Combined kitchen and living rooms occupy the ground floors of both apartments, while bedrooms and bathrooms are located on the first and second floors.

Two In One Villa by clavienrossier

The site is flanked by woodland to the south and fields to the west, but has enough space for a large garden with a swimming pool stretching along one edge.

Two In One Villa by clavienrossier

Another project we’ve featured by clavienrossier is a residence in the Swiss Alps where two concrete volumes sit atop the remains of a stone house. See more houses in Switzerland.

Two In One Villa by clavienrossier

Photography is by Roger Frei.

Here’s some more information from clavienrossier:


Two in one villa
Geneva, Switzerland, 2012

The site is located on the edge of a residential zone on the outskirts of Geneva, flanked on its southern border by a forest and opening out to fields to the west. It sits right on the line between the city and nature.

Two In One Villa by clavienrossier

The building, backed by a paved access ramp, is placed in the north-east corner of the site. The space between the building and the forest allows for a swimming pool and a large open garden.

Two In One Villa by clavienrossier

The program includes two apartments of differing size, a continuous party wall separates the two.

Two In One Villa by clavienrossier

A pitched roof over a diamond shaped plan, allows each apartment to have its own orientation. This distinct geometry allows for a greater degree of privacy for the residents and when viewed from the outside, gives the impression of a single unit.

Two In One Villa by clavienrossier

The split geometry of the facades makes it difficult to get a grasp of the real size of the building, giving each individual facade a more domestic scale.

Two In One Villa by clavienrossier

The exterior envelope of the building is entirely composed of integrally-coloured concrete, including the roof. Loggias built out of larch, perforate the facade and the roof of the building.

The building conforms to very high energy standards.

Two In One Villa by clavienrossier
Ground floor plan – click for larger image
Two In One Villa by clavienrossier
First floor plan – click for larger image
Two In One Villa by clavienrossier
Second floor plan – click for larger image
Two In One Villa by clavienrossier
Cross section – click for larger image
Two In One Villa by clavienrossier
North-east elevation – click for larger image
Two In One Villa by clavienrossier
North-west elevation – click for larger image
Two In One Villa by clavienrossier
South-west elevation – click for larger image
Two In One Villa by clavienrossier
South-east elevation – click for larger image

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by clavienrossier
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Charrat Transformation by Clavienrossier

Charrat Transformation by Clavienrossier

Geneva studio Clavienrossier created this home in the Swiss Alps by adding two tinted concrete volumes atop the remains of a stone house and adjacent barn.

Charrat Transformation by Clavienrossier

The project is located in Charrat in the Valais canton of Switzerland and involved demolishing much of the existing structure while retaining the original cellars and floors.

Charrat Transformation by Clavienrossier

The two concrete additions have faceted walls, angled inwards towards an opening in each side.

Charrat Transformation by Clavienrossier

Rooms in the new upper storeys are connected, with circulation around the edge of each volume.

Charrat Transformation by Clavienrossier

Photographs are by Roger Frei.

Here are some more details from the architects:


Situated away from the village, this house included an adjacent barn and had a too vast volume to be renewed in its totality.

Charrat Transformation by Clavienrossier

Only elements which can easily be reused were preserved, cellars and floors of the pre-existent house. The rest was demolished.

Charrat Transformation by Clavienrossier

Volumes of visible tinted concrete replaced the double-sided roof and the transformed area.

Charrat Transformation by Clavienrossier

The big openings so created allow the light to penetrate more generously.

Charrat Transformation by Clavienrossier

The geometry of the superstructures results both from a formal desire and from a will to remove the wall thickness.

Charrat Transformation by Clavienrossier

The various-slopes faces enhance the highly varied game of the shadows throughout the day. There are no corridors.

Charrat Transformation by Clavienrossier

Circulation is made along the external wall, from room to room.

Charrat Transformation by Clavienrossier

The overall view continues beyond the windows, opening onto the surrounding landscape.

Charrat Transformation by Clavienrossier

Click for larger image

Charrat Transformation by Clavienrossier

Click for larger image

Charrat Transformation by Clavienrossier

Click for larger image

Charrat Transformation by Clavienrossier

Click for larger image


See also:

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Trufa by
Anton García-Abril
House in the Pyrenees by Cadaval & Solà-MoralesRibbon House by
G2 Estudio