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A black cube hovering over Florence’s historic monuments: the public prosecutor’s office has launched an investigation

In Florence, proceedings are underway regarding new development on the site of the former Teatro Comunale. As part of the project, a black cube has risen above the roofs of the historic townhouses, thereby disrupting the skyline of the historic city. The public prosecutor’s office is analysing the entire process and assessing whether the project complies with regulations applicable in an area listed as a UNESCO World Heritage Site. The case came to public attention at the turn of 2025 and 2026 and quickly transcended the local debate.

Investigation into the development

The Public Prosecutor’s Office in Florence, headed by Filippo Spiezia, has launched an investigation without naming any suspects, focusing on analysing the documentation and decisions issued at various stages of the project. The period under scrutiny ranges from the sale of the property in 2013 to the final construction works carried out in 2025. Investigators are checking whether the permits issued complied with the regulations in force and whether there were any procedural irregularities. There are also reports of pressure being exerted by the designers. The city authorities maintain that all permits were issued legally and that previous inspections revealed no irregularities.

The result of the redevelopment. Photo: architettifirenze.it

A black cube over Florence

The greatest excitement is aroused by the form of the building, described by the Italian media as the ‘cubo nero’, or black cube, whose height and dimensions clearly exceed the scale of the neighbouring buildings. The structure dominates the neighbourhood around Corso Italia and Lungarno Vespucci, affecting the views along the River Arno and the panorama seen from the surrounding hills. In place of the theatre’s former gabled roof, a geometric superstructure with a dark finish has been erected. The use of such panels and contrasting, light-coloured elements deviates from the typical palette of materials found in Florence. Critics point out that the new apartment block is visible from many vantage points. The skyline of the Capital of the Renaissance had previously been homogeneous and visually coherent, whereas now the black block creates a distinct ‘clash’.

History of the Teatro Comunale

The Teatro Comunale was built in the second half of the 19th century, and its opening in 1862 coincided with a period of intense urban development following the unification of Italy. For many years, the building served as Florence’s main opera house and hosted numerous premieres as well as the Maggio Musicale Fiorentino festival, one of the most important musical events in Europe. During the Second World War, the building suffered serious damage, after which it was rebuilt in a modernised form. At the beginning of the 21st century, its technical condition and functionality were deemed insufficient to meet the contemporary requirements of a venue of this stature. The decision to build a new home for the Florence Opera led to the gradual phasing out of the venue’s activities; it was eventually closed and subsequently put up for sale.

The Teatro Comunale in 1932. Photo: klpteatro.it

The Black Cube and Teatro Luxury Apartments

The whole affair regarding the new development on the site of the former Teatro Comunale began in 2013. At that time, the site, along with the vast property, was sold to the state-owned financial institution Cassa Depositi e Prestiti. The price was approximately €23 million. In 2019, the site was acquired by an international consortium involving the Hines fund and partners. Shortly afterwards, demolition began on almost the entire historic building, leaving only a fragment of the façade. In its place, a complex called Teatro Luxury Apartments was built, designed by the architectural firms Vittorio Grassi Architects and Genius Loci Architettura. The apartment block is divided into several distinct volumes of varying scales, contrasting with the monolithic structure of the demolished theatre. A distinctive feature is the light-coloured façades combined with a dark dominant element in the form of the famous black cube.

Criticism of the new development

Public debate and criticism of the developing project intensified after the scaffolding was removed in 2025. Statements from representatives of conservation and academic circles point to growing concern over the new building’s impact on Florence’s cultural landscape. Former and current officials responsible for heritage protection, however, present a range of positions, from a lack of knowledge regarding the construction details to open criticism of the project’s aesthetics. The philosopher Sergio Givone has even proposed the demolition of elements that dominate the historic built environment. A citizens’ committee, meanwhile, has submitted a petition to the public prosecutor’s office, demanding an explanation of the decision-making process. Representatives of the local authorities and the Democratic Party emphasise that the project met all necessary requirements.

Czarny sześcian
The theatre’s former roof. Photo: Google Maps

Possible consequences for UNESCO

Could the black block towering over the roofs of the Cradle of the Renaissance have more serious consequences? Its case is being compared to that of Dresden, which lost its UNESCO status in 2009 due to the construction of an overly modern bridge over the Elbe, and Liverpool, which was removed from the list in 2021 following detrimental changes to the urban landscape. Eike Schmidt, former director of the Uffizi Gallery, is considering referring the Florence case to UNESCO. Regardless of the outcome and the result of the prosecution’s investigation, the development has already affected the skyline of the historic city, and the very fact of constructing a building that so drastically alters its appearance does not inspire optimism. In theory, we protect our valuable architectural heritage, but when situations such as this one in Italy arise, one can harbour serious doubts.

Source: italianostrafirenze.wordpress.com

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Teatro Comunale before and during renovation. Photo: Google Maps

The building in 2018 and 2025. Source: Google Maps and italianostrafirenze.wordpress.com

View of the townhouses along the River Arno during the construction of the apartment block and today. Source: Google Maps and controradio.it