The commission was for a home for a large family, requiring many bedrooms and large common spaces.
With many rooms that would be unused in the future, it was decided to divide the program, leaving the second level for the children's rooms and the first level for the parents' rooms and their main common areas. This way, when the children leave the house, the parents will continue to use it in the same way without the nostalgia of seeing uninhabited spaces.
Under the same concept, the second-level rooms were left flexible, with the possibility of being transformed into other uses according to changing needs, such as converting the living room into an office or combining bedrooms to create larger guest rooms.
The lot was the first in a four-unit condominium, it had a 3-meter slope from the street to the interior and was also crossed by an irrigation canal, leaving the space for the house in a very deep underground position.
The first decision was to orient the house northward and set it as far back as possible, away from the street to achieve optimal sunlight and visual spaciousness.
Then, it was decided to raise the house one meter so it wouldn't be buried.
Three platforms were subsequently created to gradually elevate functional spaces with the topography.
The first platform is the house's lower floor; then a meter higher is the lawn area, which connects to the house via a large staircase that serves as a stepping stone that extends the terrace. Finally, the pool platform faces the street, which, taking advantage of the difference in level, forms a waterfall that runs its entire length toward the house.
The interior space of the first floor was designed to be completely open, with the minimum necessary walls, so that it would be fully integrated into the garden.
The house was separated from its southern boundary to create an access courtyard from the parking lot and another courtyard along the dining room, living room, and master bedroom, reinforcing the effect of being in the middle of the garden, as the house is completely transparent from north to south.
A water feature was incorporated into this last courtyard. Thanks to the prevailing southerly summer wind, which accelerates as it passes through the house due to the Venturi effect, it helps cool the interior when the sliding windows on both facades are opened.
The first level, with exposed concrete walls, supports a completely wooden volume on the second floor.
A platform based on laminated wood beams arranged every 40 cm supports the second floor, creating an interior texture that warms and ambiance to the space. It also creates a northern overhang that shades the main terrace in the summer but allows sunlight in during the winter.
The second level volume is made up of lightweight panels clad with a ventilated skin of heat-treated wood, and the openings are covered with lattices of the same wood, providing protection from the harsh summer sun.
The shape of the house resembles a Chupalla, a typical straw hat used by people in the Chilean countryside in the Central Zone of Chile, hence its name.