Galleria Borghese Expansion Competition Draws Formal Complaint

Six Rome heritage groups have filed a formal complaint over the privately sponsored competition to expand the Galleria Borghese. The contest is still accepting applications, but the documents establish a crucial distinction: officials have approved a design process, not a building project inside Villa Borghese.

 
 

Why the Galleria Borghese Collection Is at the Center of the Dispute

The argument is not simply about adding architecture to a protected Roman park. It concerns whether one of Italy’s most concentrated historic collections should gain separate spaces for art now in storage, temporary exhibitions, conservation work, education, conferences, and visitor services.

The museum’s own account says its public route occupies 20 frescoed rooms and that more than 260 paintings remain in storerooms above the Pinacoteca. Because of structural safety limits, no more than 360 people may enter at once, and visits last two hours. Those constraints give the expansion proposal a concrete museum rationale, even if they do not determine where or whether anything should be built. The museum’s permanent description also identifies the collection’s core: paintings by artists including Caravaggio and sculpture by Bernini and Canova.

Bernini’s Apollo and Daphne, like his David, is inseparable from the experience of the villa’s decorated rooms. That relationship between object and setting explains why the complainants resist any suggestion that the historic collection might be redistributed merely to increase admissions.

The competition brief does not propose altering the 17th-century Casino Nobile itself. The Order of Architects of Rome says entrants may consider either new space or the reuse of existing structures within the villa, with a maximum total area of 3,000 square meters. This broader scope matters because the original November 2025 sponsorship notice described a new building adjacent to the museum, while the October 2026 competition allows adaptive reuse as well.

Infographic by Art in Context, based on Finestre sull'Arte, Associazione Ranuccio Bianchi Bandinelli, Ordine degli Architetti PPC di Roma e Provincia, Roma Capitale.

 
 

A Competition, Not Yet a Construction Project

The process has moved through sponsorship, preliminary approvals, and competition administration. No specific site, final architectural solution, construction funding, or collection-movement plan has been approved, although the competition assumes an estimated construction cost of €10 million.

Date	Documented step
Nov. 17, 2025	The museum published notice of Proger’s technical-sponsorship offer.
Jan. 7, 2026	The museum accepted the offer, valued at €875,750.19.
May 5, 2026	Rome’s government adopted a preliminary, nonbinding memorandum.
Aug. 5, 2026	The Culture Ministry’s Valorization Department approved publication of the competition notice.
Oct. 14, 2026	The international competition opened.
Oct. 31, 2026	Six associations sent the formal complaint on October 31; Italia Nostra published it on November 3 and Bianchi Bandinelli on November 4.

The Order of Architects’ institutional account confirms a two-stage process. Applications close at noon on November 13, 2026. Up to five teams will then develop anonymous proposals, due March 18, 2027, with a winner scheduled to be announced by May 14.

The winning payment of €500,750 covers both the prize and completion of a technical and economic feasibility design. The other second-stage competitors will receive €25,000 each only if they score at least 60 points out of 100. Even the winning entry would therefore be a feasibility proposal for public authorities to consider, not a permit to begin work.

 
 

The Formal Complaint Has Six Signatures, Not Seven

The number of organizations involved has changed during the dispute. An October 13 statement opposing the competition named seven organizations, including ICOM Italy. The formal complaint published November 4 carries six signatures: the Ranuccio Bianchi Bandinelli Association, Carteinregola-ODV, Italia Nostra Roma, Amici dei Musei di Roma, Gruppo dei Romanisti, and Amici di Villa Borghese. ICOM Italy is absent.

The complaint page’s introduction still refers to seven associations, but its signature block lists six. La Repubblica’s November 3 report also describes a six-association filing. Seven organizations joined the prelaunch objection, while six signed the October 31 formal complaint.

The six groups challenge both process and substance. They argue that a private sponsor has been given too prominent a role in studying changes to a public museum and protected landscape. They also question whether the museum consulted the appropriate protection bodies early enough and object to sponsor benefits that include recognition in communications, an exhibition of competition proposals, and the ability to cite the project-management work as a professional reference.

Those are the complainants’ claims, not findings by a court or regulator. The sponsorship notice was publicly issued in November 2025, and the ministry’s Valorization Department subsequently authorized publication of the competition. What remains contested is whether that process provided adequate public and conservation oversight before designers were invited to propose interventions in Villa Borghese.

Apollo and Daphne by Gian Lorenzo Bernini at the Galleria Borghese. Photograph by Daderot via Wikimedia Commons, released under the CC0 1.0 Universal Public Domain Dedication.

 
 

Which Approvals Exist—and Which Do Not

The August ministry approval concerns publication of the competition notice. It does not authorize excavation, construction, alteration of protected property, or redistribution of the collection. Treating those decisions as equivalent would confuse permission to seek an idea with permission to execute it.

Rome’s city government made the distinction explicit on May 12. Its official statement says the May memorandum was nonbinding and established only preliminary directions. It identifies future opinions from the state Soprintendenza, Rome’s Sovrintendenza Capitolina, and the city departments responsible for urban planning, environment, and culture as essential to judging any eventual proposal.

Italian cultural-heritage law separately requires authorization for works on protected cultural property, while landscape rules require a project affecting a protected area to be assessed before work begins. At present there is no winning feasibility design on which those authorities could issue project-specific decisions. The competition therefore remains upstream of heritage, landscape, planning, and construction review.

That unresolved sequence is central to the museum’s art. A proposal that reuses an existing structure could raise different conservation and access questions from a new volume, while any plan to move works would require object-specific decisions about security, climate, display, and the historical relationship between the collection and the Casino Nobile. None of those choices has yet been made.

The lake in the Villa Borghese gardens. Photograph by ViviBzk via Wikimedia Commons, licensed under CC BY-SA 4.0.

 
 

Six Groups Signed, and No Building Has Been Approved

Six organizations—not seven—signed the October 31 complaint, although seven had joined the earlier prelaunch statement. The museum’s sponsorship procedure began publicly in November 2025, and the Culture Ministry’s Valorization Department approved publication of the competition in August 2026. The application process remains active through November 13, but its outcome will be a feasibility design rather than an authorized building.