Barcelona's Duplicate-Image Problem: What Officials, Experts and Key Figures Are Saying

Barcelona's municipal digital office has a replication problem, and the people responsible for fixing it are no longer staying quiet about it. Across the city's open-data portals, neighbourhood planning dashboards and the tourism-regulation platform used to enforce Jaume Collboni's short-term rental crackdown, duplicate and outdated images have accumulated for at least three years — creating inconsistencies that, according to urban data specialists who work with Ajuntament de Barcelona systems, are now affecting policy decisions in real time.

The issue surfaced publicly in June 2026 when the Institut Municipal d'Informàtica, the city's in-house technology body, circulated an internal review identifying duplicate image assets across more than a dozen civic platforms. The review, referenced in agenda documents published by the Ajuntament de Barcelona on its transparency portal, flagged the duplication as a risk to data integrity in tools used by neighbourhood planning councils — the consells de barri — from Gràcia to Sant Martí.

Why It Matters Now

The timing is not incidental. Collboni's administration is simultaneously expanding the tourist tax — the taxa turística — and digitising enforcement of the city's short-term rental ban, which since November 2024 has prohibited new Airbnb-style licences across most of the city. Both efforts depend heavily on visual documentation: street-level imagery for licence audits, property photographs for compliance records, and neighbourhood mapping tools that inform inspectors working in areas like the Barceloneta waterfront and the Raval. When images are duplicated or mislabelled inside those systems, inspectors may be cross-referencing the wrong property documentation.

Urban data consultants who advise public administrations in Catalonia — including firms operating out of the 22@ innovation district in Poblenou — say the problem is common in cities that digitised quickly during the pandemic years without building robust deduplication protocols into their content management systems. Barcelona rolled out several new civic platforms between 2020 and 2022, and image governance was, by most professional assessments, treated as secondary to speed of deployment.

The Institut Municipal d'Informàtica has not yet published a formal remediation plan, but the transparency portal documents indicate that a working group was convened in May 2026 and includes representatives from Barcelona Activa, the city's economic development agency, and technical staff from the urban planning directorate based at Carrer de Provença 184. A procurement notice posted on the official contracting platform in late June suggests the city is evaluating third-party image-deduplication software, with a contract value ceiling that industry observers place in the range of what a mid-tier municipal software tender typically attracts in Spain.

What the Experts Are Recommending

Digital governance specialists have been pushing for what they call a centralised digital asset management layer — essentially a single repository that all city platforms draw from, eliminating the possibility of the same image being stored, renamed and re-uploaded independently by different departments. The approach has been implemented at the municipal level in Amsterdam and Lisbon in recent years, with Lisbon's Lisboa Aberta data platform serving as a frequently cited reference point in Catalan planning circles.

For Barcelona's housing advocates, the stakes are concrete. The Sindicat de Llogateres, the tenants' union active across neighbourhoods from Nou Barris to Sant Andreu, has argued in public forums this year that enforcement of rental regulations is only as strong as the documentary record behind it. Duplicate or misattributed property images weaken that record, they contend — a position that aligns with, though is separate from, the technical concerns raised inside the Institut Municipal d'Informàtica review.

The working group is expected to produce preliminary recommendations by September 2026, ahead of the autumn budget cycle. That timeline matters: any software procurement that clears approval before October would theoretically be operational before the height of the 2027 tourism season, when enforcement pressure on short-term rentals is expected to intensify again along the Passeig de Gràcia corridor and around the Sagrada Família perimeter. City hall has not confirmed that schedule publicly, but the contracting documents point toward it. Residents and platform users watching Barcelona's digital governance will have a clearer picture by autumn.