Sol89 architecture studio, directed by María González and Juanjo López de la Cruz, was commissioned to design a single-family home in Sanlúcar de Barrameda, a town located at the mouth of the Guadalquivir River. The project had to fulfill the premise of separating the public rooms from the more private ones, establishing an everyday home with two different intensities.

The house has a total area of 233 m², which in reality is larger due to the established shape of the house that unfolds to embrace the maximum possible space. In contradiction to the new constructions on the site, the architects decided to move away from the idea of a single platform to tame the slope of the land and form a home on three levels.
"House with two wings" designed by Sol89 is a separate home in two separate volumes, depending on its use, whether private or public. These volumes have similar geometries, a single rectangular geometry plan. The central axis is the hallway that separates both volumes, which serves as an access point to both.

The volume located to the left of the corridor houses the public areas and another volume is incorporated into it, in this case with a hipped roof, which serves as a light fixture, for the bathroom. The building complex is arranged on three different levels, the highest for the private area, the intermediate for the public and the third and lowest for the pool that opens to the horizon towards the mouth of the Guadalquivir.

Materially, the building is built using in-situ concrete, the part in contact with the ground, an element that serves as support for the three white volumes built with ceramic load-bearing walls and exterior insulation, referring to an essential lintelled construction. The entire building is built to force the visitor to look towards the river, through walls and terraces, thus making the view of the neighborhood disappear.


Two Wings House by Sol89. Photography by Fernando Alda.


Two Wings House by Sol89. Photography by Fernando Alda.
 

Description of project by Sol89

Nuria and Manuel move south from the north of Spain, they look for the southern light, the air of Sanlúcar, to live in a house. The land where we have to build the house is at the foot of a hill, with a slope oriented towards the distant mouth of the Guadalquivir River that appears on the horizon. The house should not be very large but allow a certain independence between rooms that they will inhabit daily and others where they can welcome family or guests or where they can have a workspace.

We understand the program as a house lived with two different intensities: the everyday house and the other less common rooms, which can coexist in proximity but do not require direct relationships. This allows us to fragment the program and articulate it through outdoor spaces, proposing a one-story house, more friendly and accessible, in continuous contact with the earth and expanding incorporating the void between the built pieces.

Thus the interior uses are resolved into two wings, the first facing west and the Guadalquivir and the second facing east and the olive grove located at the bottom of the land, two wings deployed to embrace the maximum possible space. The project proposes to explore the notion of span versus size: a house that is modest in size and that, by separating the wings, covers much more space than it occupies.


Two Wings House by Sol89. Photography by Fernando Alda.

Most of the new homes around have a single platform to tame the slope where they place a single volume, in this way, they erase the trace of the earth and from the access to the foot of the slope, the houses impose themselves excessively. We propose that the house reveal the land on which it sits without ignoring it.

The first action consists of establishing three successive terraces that adapt to the profile of the land. The highest of them houses the two rooms for sporadic use open to separate patios; Below, a second, lower platform houses a curved patio that brings together access to the different rooms and the daily house, extended into a terrace protected by a climber that doubles the interior space and expands it towards the horizon; Finally, a last level corresponds to the pool that meets the land and turns following the direction towards the river.


Two Wings House by Sol89. Photography by Fernando Alda.

The stepped terraces and the volumes that house the program respond to two different construction logics. The first is a plinth adapted to the topography in which horizontal floors and vertical walls are made with concrete in situ, this molded floor is responsible for reconciling the land with the house and domesticating the earth. Three white volumes built with ceramic load-bearing walls and exterior insulation are arranged above it, referring to an essential lintel construction whose height is reduced through flat sections to make the intermediate spaces that arise between them more friendly.

In addition to the two volumes corresponding to the daily house and the rooms for sporadic use, a third volume that houses the bathroom advances over the access patio and is rotated with respect to the parallel layout of the terraces, introducing a distortion in the floor plan mediated by the direction of the views of the Guadalquivir River. This alteration of the established geometric order tenses the entrance to the house and protects the views to the back of the access patio. A wall built at the edge of the terraces qualifies the views outside, highlighting the distant view of the river, protecting from the immediate vicinity and qualifying the intermediate spaces that are constituted as exterior rooms in which to shelter from the Cádiz wind and the southern sun.

Finally, the exterior house hollows out the interior house, diluting the limits of the domestic stay made possible by a friendly climate where the inside and the outside merge.

More information

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Architects
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Sol89. María González and Juanjo López de la Cruz.
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Project team
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Technical Architect.- Cristóbal Galocha.
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Collaborators
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Architect.- Elena González.
Architect.- Rosa Gallardo.
Structure.- Duarte and Associates.
Facilities.- Miguel Sibón.
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Client
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Private.
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Builder
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Asitec. Construcciones y Reforma.
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Area
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233 sqm.
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Location
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Sanlucar de Barrameda. Cadiz. Spain.
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Photography
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Sol89. María González - Juanjo López de la Cruz. María (Huelva, 1975) and Juanjo (Sevilla, 1974) graduated from the Escuela Técnica Superior de Arquitectura de Sevilla in 2000,  tenth and third in their class of a total of 348 and awarded the highest grade in their Final Degree Projects, receiving both prizes in the 13th edition of the Dragados Final Project awards. After a one-year scholarship at L´École d´Architecture de Paris-la Seine in France, they worked for the Spanish architects Javier Terrados and Guillermo Vázquez Consuegra.

Following this experience they established their own office Sol89 in 2001, a practice in which they strive to accommodate research, teaching, and professional practice. Over the years, SOL89 has had the chance to carry out and build projects throughout intermediate spaces of the city as well as reuse obsolete structures. This work has been widely published in national and international magazines and journals and has received several awards, most recently: First prizes in the Architecture Awards of the Architectural Institute of Seville and Huelva (2006, 2015, and 2016), Silver Medal of the Fassa Bortolo Prize (Italy, 2013), the Wienerberger 1st Prize (Austria, 2014), Silver Medal of the Fritz-Höger Preis (Germany, 2014), the Grand Prix Philippe Rotthier of European Architecture (Belgium, 2014), 1st prize in the X Enor Young Architecture Award (Spain, 2014) and the 40under40 prize 2014 of the Chicago Athenaeum for Young European architects (USA, 2014). They are finalists of the Spanish Biennale of Architecture 2014,  they have been nominated for the European Union Prize for Contemporary Architecture-Mies van der Rohe Award 2015 and chosen to represent Spain in the XV Biennale di Venezia 2016, winner of the Golden Lion.

They are Associate Professors at the Department of Design of the Architecture School in Seville since 2005 and Master's degrees in Architecture and Sustainable Cities, University of Seville 2008. Their professional and academic career also spans the field of architectural thought; They have published articles and spoken at conferences, as well as directed seminars and meetings, such as the International Congress dedicated to the work of Jørn Utzon for the Universidad Internacional de Andalucía (2009) and the annual seminars Acciones Comunes (2013, 2016 and 2017) for the Universidad Internacional Menéndez Pelayo about artistic and architectural strategies. They are the coauthors of the books Cuaderno Rojo (University of Seville, 2010) and Acciones Comunes (Universidad Menéndez Pelayo, 2014), and authors of Proyectos Encontrados (Recolectores Urbanos, 2012) as well as El dibujo del mundo (Lampreave, 2014). In this order, these books are reflections on research in architectural design, the debris of contemporary architectural culture, and the idea of journey and drawing in the work of the Norwegian architect Sverre Fehn.

They have been curators of the XVI Spanish Biennial of Architecture and Urbanism, held in Seville in 2023.
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Published on: September 7, 2023
Cite: "Duality as a constructive element. Two Wings house by Sol89" METALOCUS. Accessed
<https://www.metalocus.es/en/news/duality-a-constructive-element-two-wings-house-sol89> ISSN 1139-6415
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