ArchShowcase 
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination. Tefoil House in Aroeira, Portugal by Double O StudioNovember 1st, 2020 by Sumit Singhal
Article source: Double O Studio A house for the sun ‘Casa Trevo’ or ‘Trefoil House’ is a two-storey residence, located south of Lisbon, Portugal. The site’s close proximity to the Atlantic Ocean provides pleasant breezes and plenty of sunshine, across all seasons. The project sits in a forest of pine trees, rising tall above a sandy terrain.  East elevation, Image Courtesy © Fabio Cunha
 South elevation, Image Courtesy © Fabio Cunha Inside, the rooms are organized around three outdoor patios, circular in shape. They function as extensions of the interior spaces as well as being light wells and large openings for the living quarters below and sleeping rooms above. The nine-meter high patios also perform as main structural voids in the form of three hollowed and semi-open columns. Together, they support a series of floor slabs ascending at different increments. They also hold a beam of water, serving as a lap pool on the rooftop and whose underbelly is pressing down on the spaces below. The structure is made of cast-in-place concrete and plays off the ambiguity of mass and void and of inside and outside. It addresses the site by stepping the ground plane along its natural slope and by bringing that level difference inside. It is anchored into the ground firmly but irregularly around its perimeter vis-à-vis the terrain.  North elevation after dawn, Image Courtesy © Fabio Cunha  West elevation, Image Courtesy © Fabio Cunha ‘Casa Trevo’ exerts a peculiar sense of autonomy and monumentality, despite its small size. It is unified by concrete on the outside, subverting the perception of its scale, while serving as canvas for a dialogue between nature and architecture to be projected. It also exudes a solid impression of mass while revealing little of its inside. The house produces its own introverted world facing the sun, with private yet mutable spaces rendered intermittently by Lisbon’s brash light. Contrasting Scales In order to produce scalar shifts in the spatial disposition of the house, elements of different sizes are introduced to its massing. Some are more vertically pronounced, while others horizontally arranged to form an integrated concrete monolith of multiple notations of scales. Moments of tensions and compressions emerge as a result, creating, internally and externally, a range of dynamic and varied experiences of space.  Image Courtesy © Marco Antunes  View of rooftop pool, Image Courtesy © Marco Antunes Grounded Sky One of the design intents was to raise ground as roof and insert the space of the house under it, while keeping the terrain as untouched and natural as possible. By elevating the ground plane to the roof datum, a latent space is left open beneath for an exploration in section to take place. A duality between literal and conceptual ground establishes a first hierarchy between horizontality and verticality. Voided Structure The structural imperative caused by lifting the ground towards the sky prompts an ensuing architectural idea for the house; the potential for an added experience of space provided by the inhabitation of its main structure, material and resulting forces. To this effect, three sizeable primal elements are introduced to support a newly defined roof-scape. This tripartite arrangement asserts the vertical axis as the major structural element, consequently liberating the slab.  View from atrium of bedroom 2 above and living room below, Image Courtesy © Fabio Cunha  View of kitchen below and bedroom 2 above, Image Courtesy © Fabio Cunha Shattered Slab As walls come first, floor slabs are made second and independent from their traditional and rigid building sequence: slab, wall, slab, etc. Disintegrated into bits that are more attuned to their specific room sizes, the dominance of the horizontal datum has at last made way for a variety of volumetric spaces. Plain Geometry The role of geometry in the work is procedural and non-compositional; it is dynamic but not graphic. A relational framework serves as a regulatory plan diagram, a basis from which all parts relate and are integrated into a coherent whole. It is prescribed yet agile in adapting to various design evolutions until a solid formation is reached.  light from skylight entering bathroom 2, Image Courtesy © Fabio Cunha  Looking through the kitchen space and into the North entry patio 1, Image Courtesy © Fabio Cunha Masked Façade The house doesn’t take any posture towards its site. There are no privileged vistas, no distant horizon and no strict physical boundaries to address; no front, back or side divisions. In place, it negates its context by vertically addressing its immediate environment. The sky is the site’s only vantage point, affirming the rooftop datum as the only façade for the project. Superficial Mass To render the spatial and scalar concepts active in the house, an important design consideration was to retain the reading of the overall built mass. As little visual interference as possible had to be sustained in order to avoid the breaking down of volumes into disparate planes and surfaces. The detailing strategy adopted was to erase any presence of details or visual breaks which could distract from the perception of a holistic monolith.  Looking through the kitchen from inside North patio 1, Image Courtesy © Fabio Cunha  View from bedroom 3, Image Courtesy © Fabio Cunha Curtained Wall The provision of blank canvases inside the elemental patios makes room for something more intricate to occur at a detail scale. Progressively folding in and out of the wall thickness of the patios, and calibrated to the specific lighting context, concrete corrugations are made into devices that delay the passage of time through a game of light and shadow. Inside Out A series of photographs and films were commissioned to serve as an independent house study. They search for the first time how pure structure could become absolute space and vice-versa. Prior to inhabitation, they survey the existential qualities of the house created by the sole participation of natural sunlight with material, structure, mass, scale and space.  Looking through living room onto East patio 2, Image Courtesy © Fabio Cunha  Looking up inside West patio 3, Image Courtesy © Fabio Cunha  Light entering bathroom 1, Image Courtesy © Fabio Cunha  View from bathroom 3, Image Courtesy © Fabio Cunha  Image Courtesy © Double O Studio  Image Courtesy © Double O Studio  Image Courtesy © Double O Studio  Image Courtesy © Double O Studio  Image Courtesy © Double O Studio
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Categories: House, Residential |
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