Laboratory exploring the situation of social housing in the province of Barcelona using data for 2021 obtained from the Studies and Documentation Service of the Catalan Government’s Secretariat of Housing and Social Inclusion. This document analyses the current situation and evolution of social housing, along with the current legislative framework. This laboratory was undertaken in collaboration with the Observatory DESC as part of the project Right to Housing, coherence and vulture funds in #Bcn: the struggle for global urban justice.