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Garoza House 10.1 – Prototype 2010

Spanish architects Herreros Arquitectos have completed phase one of what Avi Friedman called a Grow Home, which he defined as “a quality product that allows both the perimeter and interior of a house to be expanded and changed to fit the space needs and budget of its owners. Frills are extra.” It is a prefab built with simple, cheap materials, inside and out.

Garoza-House-10.1-By-Herreros-Arquitectos-02 Garoza House 10.1 / Herreros Arquitectos

© Javier Callejas

Casa Garoza takes reference from quality industrial architecture and has been conceived as a modular prototype that can be amplified. With a floor space of 75m2, Casa Garoza 10.1 is the first stage of this industrialized prototype. All of the constructive components are prefabricated, manufactured as complete pieces and come complete with interior finishes. Their size has been conceived to fit into conventional transport modes. The finishing layer of the facade and the roof are the only components that are put in place in situ in order to assure continuity, correct overlap and water resistance. Interior partitions, storage spaces, and fixed furniture have been incorporated into the vertical parameters, which also hold high tech installations, automation, and other personalized elements according to the configuration. The final arrangement offers quality, ease of use, control over maintenance and the possibility to expand all well above that of traditional construction. The principles of economic sustainability and recycling are also present in the project.

Garoza-House-10.1-By-Herreros-Arquitectos-03 Garoza House 10.1 / Herreros Arquitectos

© Javier Callejas

“Casa Garoza is an emotional experience, that alludes to something architects have aspired to since modernity – design a house that can be constructed in a factory, that can be viewed as a ‘installation’ or ‘piece’ that is more akin to contemporary art.” – architect Juan Herreros

Garoza-House-10.1-By-Herreros-Arquitectos-04 Garoza House 10.1 / Herreros Arquitectos

© Javier Callejas

As well as the AR House Awards 2012, the Casa Garoza 10.1 has won the Construmat Innovative Technology Prize 2011 and has been finalist in the Bienal Española de Arquitectura y Urbanismo. It has also been selected the FAD 2011 prizes and the Mies Van der Rohe Contemporary European Architecture Prizes 2011.

Juan Herreros is Catedrático de la Escuela de Arquitectura de Madrid and Columbus University Nueva York. He is Honorable Member of RIBA (Royal Institute of British Architects) and in 2010 was nominated for a medal by the American Academy of Arts and Letters. His work has been awarded on numerous occasions and exhibited in many countries. Currently, Herreros Arquitectos is developing projects in Spain, Mexico, Norway, Colombia, Korea and Panama.

Garoza-House-10.1-By-Herreros-Arquitectos-05 Garoza House 10.1 / Herreros Arquitectos

© Javier Callejas

Juan Herreros has also developed important architectural theory work and published a vast number of articles on the transformation of practices in architecture. This three-tiered professional activity – architect, docent and theorist – has earned him a special international prestige.

Garoza-House-10.1-By-Herreros-Arquitectos-10 Garoza House 10.1 / Herreros Arquitectos

© Javier Callejas

Herreros Arquitectos:

Industrialized modular housing prototype that allows growth and changes over time. All building systems, are ready to be installed without complex construction procedures.

Garoza-House-10.1-By-Herreros-Arquitectos-07 Garoza House 10.1 / Herreros Arquitectos

© Herreros Arquitectos

This elements are manufactured in specialized factories composing single complete units, including all the interior finishes, up to the maximum size supported by the conventional transport……(3m wide, 2.50m high, and up to 12m long).

Garoza-House-10.1-By-Herreros-Arquitectos-06 Garoza House 10.1 / Herreros Arquitectos

© Javier Callejas

Only the last layer of the facade and the roof is put in place to ensure continuity, overlap and waterproofing of the material junctions. Interior partitions, storage and fixed furniture are incorporated to the vertical walls, which house highly qualified technical facilities, automation and electronic systems and other elements, are tailored to the program for each configuration. The resulting collection provides quality, control on the schedules of the construction, maintenance plans and desirable chances for growth, that come up much better than with traditional construction. The principles of sustainable economy and the spirit of recycling guide and support all the project decisions.

Garoza-House-10.1-By-Herreros-Arquitectos-01-759x459 Garoza House 10.1 / Herreros Arquitectos

© Javier Callejas

Project Data:

Project name: Garoza House 10.1
Location: n/a

  • Type By Characteristic: Prefab House, Green & Sustainable House
  • Type By Site: n/a
  • Type By Size: Small House – (51 sqm – 200 sqm)
  • Type By Materials: Steel House

Project Area: 75 sqm
Useful Area: Basic type10/1: 75m2 (4 moduls + mezzanine)
Cost: 200.000€ + exterior works, decreasing costs if bigger area: 2.700 €/m2 for 75 m2(min.) 2.400 €/m2 for 150 m2, 2.000 €/m2 for 250 m2
Project Year: Prototype 2010
Completion Year: 2010


  • 2012 – The Architectural Review (AR+D Awards) – HIGHLY COMMENDED

The people:

Client / Owner / Developer: Rafael Celda & Hoa Melgar
Architects: Herreros Arquitectos, Madrid, Spain
Architect in Charge: Verónica Meléndez
Collaborators: Alejandro Valdivieso, Margarita Martineza
Technical Architect: Ramón Paradinas
Surveyor: Ramon Paradinas
Constructor: IDM Sistemas Modulares / Modulab
Text Description: © Courtesy of Herreros Arquitectos
Images: © Javier Callejas


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Garoza House 10.1 / Herreros Arquitectos
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