Álvaro Siza is a Pritzker Prize-winning Portuguese architect who is part of the elite of the most prestigious international architects. The Bouça neighborhood in the city of Porto is a 1975 project, developed under the SAAL (a housing program that took place in the period following the democratic revolution), which launched this architect internationally. However, the neighborhood had two phases, built at different times and which would also be occupied by quite different social segments: the first phase, completed in the early 1980s, was occupied by a working class coming from the nearby slums; the second phase, completed in the first decade of the XXI century, already under a housing cooperative, was occupied by young qualified adults, many of them architects and designers. In this paper, we will present the results of a survey, conducted in 2023, to the resident population that is a follow up of another survey conducted in 2010. The objective of this survey is twofold: 1º to understand the social transformations that occurred over these 13 years, a period marked by two important phenomena – a) the renewal of the population of the first phase of the neighborhood, quite aged and many already having died - b) the profound changes in the city of Porto, and of this area in particular, both in terms of the housing market (intense rise in prices) and tourism; 2º to explore the motivations and perceptions of residents regarding this particular habitat, designed by a Pritzker Prize and holding an important status in the global circuit of the field of architecture.

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