CSO Arquitectura is a Madrid-based studio founded by Javier de Antón Freile in 2000 that focuses on projects where innovation, sustainability and design stand out. They integrate habitability and sustainability into architecture, aware that architecture has a direct impact on both people and the environment, which is why they focus their projects on energy efficiency criteria in line with Passivhaus standards.
Javier de Antón Freile graduated as an architect from the Valladolid School of Architecture in 1999.
They have won numerous architecture awards, including:
- First Prize for the Integrated Senior Coliving Centre and Co-living Units in Madrid.
- First Passivhaus Geriatric Hospital Building in Spain.
- A+ 2021 Award for Best Sustainable Building in Spain.
- D+I Innovation Awards 2021 for Best SME in Spain, presented by the newspaper El Español.
- Second Prize in the Ripollet (Barcelona) Nursing Home Competition 2022 with PauVidal Arquitectes.
- First Prize in the Single-Family Home category for the Rest of Spain in the 6th Sustainable Construction Awards of the Regional Government of Castile and León for the Sant Pere de Ribes (Barcelona) Single-Family Home.
- First Prize in the Facilities category for Castile and León in the 6th Sustainable Construction Awards of the Regional Government of Castile and León for the Passivhaus Nursing Home.
- Runner-up Prize in the Single-Family Home category for Castile and León in the 6th Sustainable Construction Awards of the Regional Government of Castile and León for the Fortaleza Home in Camarzana de Tera (Zamora).
- A+ 2021 Award for the best sustainable building in Spain for the Passivhaus Nursing Home in Camarzana de Tera (Zamora).
- NAN 2020 Award for the best sustainable building in Spain for the Passivhaus Nursing Home in Camarzana de Tera (Zamora).
- Finalist in the FAD Architecture Award 2020 for the Passivhaus Nursing Home in Camarzana de Tera (Zamora).
- Finalist in the Technology Dome competition promoted by the Regional Government of Castile and León. 2012 With MTM and Nodo17.
- Finalist in the COAM Coworking competition in 2012.
- COAM 2005 Award for Work Well Done.
- 1st Prize in the International Theatre and Park Ideas Competition in Lisbon, Portugal 2003. With Miguel Vieira and Hilaria Netto.
- Honourable mention in the Housing Competition in Ciudad Pegaso, Madrid 2002. With Manuel Sánchez-Vera, José M. Sierra, Mónica García, Pablo Lorente and Miguel Ubarrechena.
