The precautionary appeal interrupts the statute of limitations for the right to restoration: the ruling of the Court of Cassation no. 29706/2025

In condominium relations, coexistence and the protection of common areas often represent fertile ground for heated legal disputes. One of the most delicate issues concerns the vertical extension (supraelevazione) carried out by the owner of the top floor and the resulting impact on the architectural decorum of the building. When a condominium owner decides to build an extension, altering the aesthetics of the building, the other owners have the right to take action for the removal of the unauthorized works. However, a crucial question concerns the timeframe within which to act and the appropriate instruments to block the expiration of the statute of limitations for the right to restoration.

The case: vertical extension and infringement of architectural decorum

The matter brought to the attention of the Supreme Court originated from the opposition of a condominium owner, B., represented by lawyer M. G., against the vertical extension works carried out by P., assisted by lawyer L. M. These works were considered severely detrimental to the architectural decorum of the building. During the proceedings on the merits, the Court of Appeal of Rome had deemed the right to the removal of the works to be time-barred. The Court of Cassation, with judgment no. 29706 of 10/11/2025, overturned this decision, focusing on the interruptive effect of the precautionary actions undertaken by the condominium owners.

The interruptive efficacy of precautionary protection

The crux of the decision lies in the interpretation of Art. 2943 of the Civil Code in conjunction with Art. 688 of the Code of Civil Procedure. The Supreme Court clarified that an appeal for a complaint of new work or feared damage is not a mere informative act, but constitutes a formal judicial claim capable of manifesting the intent to exercise the right to protect architectural decorum.

The statute of limitations for a condominium owner's right to restitutio in integrum in the case of a vertical extension carried out by the owner of the top floor that alters the architectural appearance of the entire property is interrupted by the precautionary appeal through which a complaint of new work or feared damage is proposed pursuant to Art. 688 c.p.c.

This principle expresses a fundamental rule: the activation of urgent protection does not only serve to prevent imminent damage, but produces the substantive effect of freezing the limitation periods. Those who act through precautionary measures to block an illegitimate vertical extension do not risk seeing the deadline expire for requesting the subsequent demolition of the work.

Key points of the decision

To fully understand the scope of this ruling, it is necessary to analyze the following legal aspects:

• The nature of the right: The right to demand the demolition of a work that harms architectural decorum is a property right (diritto reale) and is subject to the ordinary twenty-year statute of limitations.
• The interruptive act: Pursuant to Art. 2943 c.c., the statute of limitations is interrupted by the notification of the act initiating a lawsuit, including a precautionary one. An appeal pursuant to Art. 688 c.p.c. falls fully into this category.
• Restitutio in integrum: Restoration represents the civil sanction aimed at restoring the aesthetic and structural balance that was abusively altered.

Conclusions: strengthened protection for condominium owners

Judgment no. 29706/2025 of the Court of Cassation offers fundamental substantive and procedural protection for condominium owners. It confirms that the legal system provides agile and timely instruments to safeguard the aesthetic harmony of buildings, preventing forced inertia during the delays of a precautionary proceeding from resulting in the loss of the right to remove abuses. For owners, this is a clear warning: the protection of common decorum prevails over unilateral vertical extension initiatives.