%0 Journal Article %A Oregi, Xabat %A Tenorio, Jose Antonio %A Gazulla, Cristina %A Zabalza, Ignacio %A Cambra, David %A Leao, Susana %A Mabe, Lara %A Otero, Sheila %A Raigosa, Juliana %A Oregi Isasi, X. %T SOFIAS – Software for life-cycle assessment and environmental rating of buildings %D 2016 %X This paper describes the development process of a new software tool, called SOFIAS (Software for a Sustainable Architecture), funded by the Spanish Ministry of Economy and Competitivenes. Following CEN/TC 350 standard on environmental assessment of buildings, the tool aims at assisting building professionals on reducing the life-cycle environmental impact through the design of new buildings and the refurbishment of existing ones. In addition, SOFIAS provides a rating system based on the Life Cycle Assessment (LCA) methodology. This paper explains the innovative aspects of this software, the working methodology and the different type of results that can be obtained using SOFIAS. %~