The Generalitat of Barcelona (local government) has declared las Casas Cerdà in Barcelona to be Bien cultural de interés nacional (BCIN) , which means that they are buildings of historical and cultural interest and as such are protected from damage or redevelopment. Las Casas Cerdà are a set of three buildings at the intersection of Roger de Llúria and Consell de Cent in Barcelona’s Eixample, though originally there were four. Their name comes from the landowner and businessman who ...