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The Madrid 0,0 Competition is an initiative for the promotion and development of the future nearly zero energy building model (nZEB), as part of an effort to foster sustainability and energy efficiency in the buildings of our cities.

The Official College of Architects of Madrid (COAM) and Solvia have joined forces to promote ideas, knowledge and work models that foster the construction of new buildings with nearly zero energy use. This represents a clear leap ahead of European Union Directive 2010/31, which as of 31 December 2020, will require all member states to develop new construction buildings in keeping with the parameters set forth in this new building model.

This joint initiative was carried out through a national call for projects targeting architects. The aim was to create a residential building with nearly zero energy use.




With a total of 43 entries, the Judges’ Panel selected 5 projects to move on to the second phase.

The high-tech nature of the projects presented bears witness to the growing commitment of construction sector professionals to a sustainable model of architecture that enables a substantial reduction in the energy consumption in buildings.

Judges’ Panel

For this competition, the Judges’ Panel was made up of the following members:

Chairman: Anna Guanter Feixas

Voting members: José Antonio Granero Ramírez, Rafael Rodríguez Vázquez, Manuel Leira Carmena, Pilar Pereda Suquet, Inés Leal Maldonado, Mª Luisa Martínez Vicente, José Luis Martín García, Núria Sió Traité, Eugenio Lozano Gómez, Pilar Alonso García del Busto, Ramón López Pérez, Izaskun Gallo Ormazábal, Óscar Martínez Lamigueiro, José Fernández Álvarez, Estefanía Alcarazo Garrido, German Almendariz Jiménez, Rafael Gálvez Jiménez, Francisco Javier Tinajero Noheda, José Manuel Santiago Cid, Pilar Garcia Cabrera, Vicente Hurtado Lucas, Mara Macarrón Juárez, Alberto Catalá, Eduardo Mª de Ramos Vilariño, Izaskun Chinchilla Moreno, Carlos Arroyo Zapatero and Ricard Perich i Duran.

Secretary: José Luis Barrero Peñalver



Winning project

The winning project is titled “0,0 La SIN de Solvia” and was created by the studio Ruiz Larrea y Asociados, S.L. (César Ruiz-Larrea Cangas and Antonio Gómez Gutiérrez), as discovered after the sealed bid was opened. The winning team has received a cash prize of €20,000.

The creators of the project have vast experience in sustainable architecture. This can be seen in their countless works based on concepts and solutions that aspire to high energy efficiency, as well as the many different international awards that they have amassed.

No doubt, Ruiz Larrea y Asociados managed to put their professional experience to the service of the objectives set forth in this competition. Their proposal was an excellent display of passive energy consumption solutions that very aptly fit into the architecture of the building. The solution proposed for the construction of this building of 104 home units located in the town of Torrejón de Ardoz in the Community of Madrid guarantees a minimal demand for energy and maximum energetic comfort for its users, through highly efficient passive strategies that eliminate the need to incorporate active heating and cooling systems.

Finalist projects

Along with the winning project, the following four proposals were selected as finalists:

Tornasol. A proposal created by Jorge Javier Camacho Díez

Reverse. A proposal created by the team made up of Antonio Martín Soria, Álvaro Marín Fernández, Florencia Ardito Tovio and Laura Sánchez Carrasco

Jano. A proposal developed by the studio Bakpak Architects (Myriam Rego Gómez, José M. González Chamorro, Jose A Pavón González, Jose de la Peña Gómez-Millán and Borja Navarro Ibánez de Aldecoa) and Ignacio de la Peña Muñoz

Oriéntame. A proposal created by Javier Barcos Berruezo and Manuel Enríquez Jiménez

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