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Evidence & methodology

How the record is sourced and how the score is derived.

The score is formula-derived (Factrail formula v1, version 1.0.0), not an editorial verdict. Read the methodology.

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Record: an elected mayor confronting a housing shortage

Jaume Collboni became mayor of Barcelona on 17 June 2023 as the candidate of the Partit dels Socialistes de Catalunya. The Barcelona City Council (opens in a new tab) reported that he secured 23 councillor votes, combining support from his own party, Barcelona en Comú and the People's Party. This cross-party investiture mattered because it gave him the mayoralty without a single-party council majority. His administration has placed housing affordability, public space and the economic pressures of tourism at the centre of its agenda. Barcelona attracts large tourist flows but also contains residential neighbourhoods in which renters compete with tourist accommodation, seasonal rentals and investors. The public record supports attributing policy announcements and municipal decisions to Collboni as mayor; it does not make him solely responsible for regional legislation, previous rental-price increases or every future change in housing supply. Those distinctions are central to a fair account of his political impact.

Decisions: ending tourist-flat licences after 2028

On 21 June 2024, Collboni announced that Barcelona would stop renewing the licences for 10,101 legally registered tourist apartments, aiming for the category to disappear by November 2028. The Guardian (opens in a new tab) reported the announcement and his argument that pressures on housing had become a major problem for residents, particularly younger people. This was a future licensing policy, not an immediate overnight conversion of all affected properties into ordinary rentals. It depended on the relevant Catalan legal framework, inspections, compliance and the city government's ability to maintain its position over time. Industry representatives warned of the risk of illegal rentals and damage to employment, while housing advocates considered the removal of short-term licences a potential way to return dwellings to residential use. These are competing assessments of a prospective effect, not observed before-and-after results. The distinction protects the record from reporting planned housing gains as already delivered homes.

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