PORRAS GUADIANA ARQUITECTOS (PGA) is a consortium of architectural firms (constituted for each project as a joint venture) that are linked to each other since 2005.

It is composed of the following firms: Estudio Guadiana SL and Porras La Casta Arquitectos SCP.

porras la casta arquitectos

estudio guadiana

Each of the components of the group develops its own activity but through shared work, face joint projects of international dimension and scale, the last of which is the GreenBelt7Bridges, set of seven bridges around the lake Dishui in Lingang city (Pudon District-Shanghai). The group practices a collaborative culture and relies on its partnership with other offices as enrichment system projects, incorporating other firms that make them the best development possible.

Among their most recent works is the Madrid River Project, the largest urban operation and draft held in the capital of Spain, which has received numerous national and international awards such as the Hispania Nostra 2016 Rudge Green Prize Award or Veronica 2015 Harvard University.

Early March 2017 they have won Plaza de España Remodeling International Competition, this project is now in process.



Architect by Universidad Politécnica de Madrid. Currently Urban Design Professor at Universidad de Castilla la Mancha and Director of Project Thesis workshops at Escuela de Arquitectura de Toledo. Veronica Rudge Green Prize Harvard University 2016. He has directed and edited the ARCHITECTURE and BAU journals. Operates alongside Aranzazu La Casta since the creation of Porras La Casta Architects firm, founded in 1988.


Architect by Universidad Politécnica de Madrid. Currently teaches construction at Universidad Europea de Madrid. 1994 Rome Prize, has been subsidized by the Academy of History, Archaeology and Fine Arts in the Italian capital. Estudio Guadiana founder alonside the Engineer José Antonio Fernández-Ordóñez, is responsible for the construction work of Eduardo Chillida at Tindaya mountain (Fuertevenura).


Arantxa La Casta (MArch Architect)

Lorenzo Fernández-Ordóñez (MArch Architect, B. Engineer)

Fernando Porras-Isla (MArch Architect)


Javier Malo de Molina (Architect)

Belén Alosete (Architect + Interior Designer)

Aarón Barrios (Architect)

Andrea Bertran (Architect)

José Caso (Architect + Fine Arts Graduate)

Borja García (Architect)

Laura García (Architect)

Marina de la Fuente (Architect)

Amaia Larrañaga (Architect)

Rodrigo López (Architect)

María Lozano (Architect)

Paula Manzano (Architect)

Gabriel Izem Martos (Civil Engineer + MBA)

Sara Núñez (Architect + Fine Arts Graduate)

Carlos Núñez (Architect + Fine Arts Graduate)

Jaime Querol (Architect)

Carmen María Sánchez (Architect)

Ana Serrano (Architect)

Raquel Serrano (Architect)

Adriana Vela (Architect)

Gonzalo Villalba (Architect)


Ana Álvarez (ETSAM)

Alicia Buades (UEM)

Eva Cid (ETSAM)

Pablo Ferreira (UEM)

Paola Gascón (ETSAM)

Mariana Gella (UEM)

Mónica González (UEM)

Ernst Hansen (UEM)

Blanca Herrero (ETSAM)

María Lorenzo (UEM)

Rafael Montoro (ETSAM)

Antonio Moya (UEM)

Irene Muñoz (ETSAM)

Assumpta Pastor (ETSAM)

Hortensia Pérez (ETSIAAB)

Jonander Rodríguez (UEM)

Irene San Román (ETSAM)

Álvaro Simón (ETSAM)

Claudia Suárez (ETSAC)

Szilvia Tari (ETSIA)

David Vera (ETSAM)

Nuño Zapata (ETSAM)

The teamwork approach is based on a sustainable perspective that covers the whole spectrum of architectural discipline, from the design of strategies and master plans to carry out large-scale works, to the development of the last detail.

The philosophy underpinning the achievements of the group is based on sensitivity to culture and own means of each place, and the combination of the latest advances in construction technology with the techniques learned from the vernacular tradition.

Through a tested methodology of work in the last ten years, skills, enthusiasm and knowledge of integrated teams, customers, and the communities it is intended each work, creating environments shared inspiration are enhanced.

The group’s work is done from a deep commitment to the integration and management of interdisciplinary teams, finding innovative design solutions, and with a specific dedication to architectural thinking and latent in materials potential, local labour and all actors are integrated into the reflection and construction processes developed in each project.