The D4 house designed by architects Edwin Hurtado + Holger Cuadrado is located in the city of Loja in southern Ecuador. Known for its musical panorama and its colonial buildings, the city is the site of this architectural work.

The house is conceived on the basis of three project strategies. The first is the structure itself as architecture, the second is spatial flexibility as an attribute. Last but not least, the place as a suggestion to build. The concept of housing as a tradition comes from years ago but what we really wanted to represent with the project is the condition of housing as the life inside. 
The D4 house by Edwin Hurtado + Holger Cuadrado has been designed as a container of spaces capable of having indeterminate programs inside. It incorporates several flexible sanitary cores that allow for adaptations and variations. The lateral staircase can be replicated on the upper floors to make each floor independent and distribute new uses such as consultancies, housing, offices...

The house is a structural box supported on four points with average spans of about 7 meters and cantilevers. Its elements such as columns, and ribbed slabs... are balanced with counterweights, highlighting gravity. At the same time, the load transmission to the ground is carried out on four points.
 

Description of project by Edwin Hurtado + Holger Cuadrado

The concept of a house seen from the traditional point of view is a thing of the past. Aspects that were once considered important are now relegated to the background because it has been understood that the life contained within is the most valuable condition. The D4 house is conceived according to three main strategies that define the project.

The structure is the architecture.
The house is an abstract structural box of 4 levels supported on 4 points, with 7.15m spans and 4.70m overhangs. Its elements, columns, ribbed slabs, diaphragms, and beam handrails, are balanced by counterweights (overhangs), highlighting gravity as a universal resource of architecture. At the same time, the transmission of loads to the ground on 4 supports frees the space, generating order and a wide interior spatiality.

Spatial flexibility as an attribute.
The project was designed as a space container capable of accommodating indeterminate programs in its interior, incorporating two flexible sanitary cores that allow for variations and adaptations in the future.  The external lateral staircase is a key element considering that it can be replicated on the upper floors to make each floor independent and distribute new uses: housing, offices, consulting rooms...

The site suggests how to build the architecture.
Beyond building a physical object, architecture builds places for life and relationships with its surroundings. Because of its sense of permanence, these relationships -connections- have to be opportune and contribute to the interior life of the building. The house is located on a hill at 2300 meters above sea level in the low Ecuadorian Andes as a threshold space -an open box-, intercepting the distant landscape of the mountain range and the city of Loja over the valley at 2100 meters above sea level, thus taking advantage of solar incidence on both fronts.

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Architects
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Lead architects.- Edwin Hurtado + Holger Cuadrado.
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Collaborators
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Jefferson Condoy, Joffre Calva, José Luis Castillo, Daniel Cabrera, Jonathan Jiménez, Johana Ortega. Structure.- Gica_ingenieros, Ing. Carlos Aguilar, Ing. Ximena Saavedra.
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Client
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Familia Hurtado Jaramillo.
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Area
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595 sqm.
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Dates
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2020.
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Location
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Loja, Ecuador.
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Photography
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Juan Alberto Andrade, Holger Cuadrado, José Córdova.
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Holger Cuadrado Arquitectura is an architectural studio workshop founded by Holger Cuadrado and based in Loja, Ecuador. Their activities range from the practice of architectural design at various scales to academia.

They understand architecture as the coherent result of decisions based on the reading and interpretation of local resources "territory, landscape, geography, materials, construction practices and living practices".

Constructively, they are interested in a technical vision of architecture that values the efficient use of everyday materials from construction systems that explore new possibilities of construction in relation to their properties.
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Published on: May 20, 2022
Cite: "3 strategies, one house. D4 House by Edwin Hurtado + Holger Cuadrado" METALOCUS. Accessed
<http://www.metalocus.es/en/news/3-strategies-one-house-d4-house-edwin-hurtado-holger-cuadrado> ISSN 1139-6415
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