Architecture studio TEC Taller EC was commissioned to design Casa Riba in the Puembo Valley, Ecuador. The site is located on a curved corner plot in the Andes mountain range, and these factors influenced the design.

The core of the design stems from the idea of preserving the large carob tree located in the middle of the plot, making it the focal point of the project and taking advantage of the plot's morphology to create a volume around this landmark.

TEC Taller EC takes this gesture of embracing the tree with the building to conceive a building that is constructed from the inside out, generating intimate spaces throughout the home, always connected in some way to the carob tree. The shared spaces are located on the ground floor. These are arranged around the central courtyard, but at the same time seek to open up to the street, thus creating a more transparent space that is connected to the surroundings. This also occurs with the private areas on the first floor, but this time they open up to the Andes mountain range, through a terrace that allows the user to enjoy views of the biome.

To give lightness to the volume and allow transparency within it, the studio opted for a light façade, adapted to the curved shape, which is achieved through a succession of vertical elements. From these emerges a large opening, which acts as an access to the house, breaking the continuity of the façade and reinforcing the idea of it as a contemplative element.

Casa Riba by TEC Taller EC. Photograph by Lorena Darquea

Casa Riba by TEC Taller EC. Photograph by Lorena Darquea.

Project description by TEC Taller EC

Casa Riba is located in the Puembo Valley, in the Andes mountain range, on a curved corner lot. Its location and orientation were fundamental to its design, highlighting the presence of a carob tree in the center of the site, which became the conceptual axis of the project and the point from which the view of the city of Quito is framed.

With a surface area of 520 m² distributed over two levels, the house is organized as a bar that embraces and frames the tree, proposing an intimate reading of the spaces. From the first tour of the site, the carob tree marked the conceptual starting point: a house built from the inside out, where each room maintains a direct relationship with this natural element.

Casa Riba by TEC Taller EC. Photograph by Lorena Darquea
Casa Riba by TEC Taller EC. Photograph by Lorena Darquea.

The ground floor houses the public area of the house, articulated around a central courtyard and with a direct relationship to the street in front, seeking transparency and openness to the surroundings. On the upper level, the private spaces face the mountains, integrating with the Andean landscape through a terrace that extends the architectural experience toward the horizon.

The light and permeable façade enhances the curved shape of the volume through vertical elements that give rhythm and unity to the whole. A large, strategically placed void marks the main entrance and provides a visual pause that reinforces the contemplative character of the house.

Casa Riba is conceived as an architectural gesture that pays homage to the place, the tree, and the essential connection between built matter and nature.

More information

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Architects
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TEC Taller EC. Architects.- Pablo Castro Guijarro, Roberto Morales Guijarro.

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Project team
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Cynthia Quintero, Juan Ruiz, Daniela Veintimilla, Daniela Ramos, Paolo Caicedo, María Emilia Arellano.

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Collaborators
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Structural engineer.- ADSTREN / Ing. Telmo Sánchez.

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Client Cliente
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Family M.

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Area
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520 sqm.

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Dates
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2025.

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Location
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Puembo, Ecuador.

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Photography
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TEC – Taller EC is an architectural studio based in Quito (Ecuador) and currently also working from Madrid (Spain), led by Pablo Castro Guijarro and Roberto Morales Guijarro since 2013. It’s formed by a group of professionals from different nationalities whose work aims to externalize their thinking and global vision in every architectural, urban, research or academic project.

Roberto Morales Guijarro. Ecuadorian architect, part of his university years were in Segovia, Spain, and in 2011 he completed the Master of Architecture in Collective Housing at the Polytechnic University of Madrid (ETSAM). In 2016 he completed his second master's degree at ETSAM, the Master in Advanced Architectural Projects. 

Pablo Castro Guijarro. Ecuadorian architect from the Pontifical Catholic University of Ecuador – 2007 – travelled to New York in 2008 where he did an internship at the Carlos Zapata Studio office. During that time he decided to pursue his postgraduate studies in the same city. He completed the Master of Science in Architecture at Pratt Institute, in 2011, receiving several honours. He has published several articles in different publications such as InProcess, from the GAUD of Pratt Institute, invited to give lectures at several schools of architecture in Ecuador and Europe, and has been a jury member and critic in the United States and several universities in Ecuador.

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Published on: July 29, 2025
Cite:
metalocus, PABLO GARCÍA-BLANCO MANSILLA
"Hugging the tree. Casa Riba by TEC Taller EC" METALOCUS. Accessed
<http://www.metalocus.es/en/news/hugging-tree-casa-riba-tec-taller-ec> ISSN 1139-6415
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