Data set of catholic parish churches of Barcelona. Relevance of their architectural characterization as singular buildings.

These data focus on 132 Catholic parish churches in Barcelona, showcasing their architectural characteristics through the first-ever comparison of their floor plans (Arboix-Alió, 2016) [Fig. 1]. These structures are distinctive in all towns with a Western Catholic tradition, exemplified by landmarks like Milan's Duomo, Paris's Notre Dame, and the same Barcelona's La Sagrada Família (Busquets, 2019).