Abnormal neighbourhood disturbances: the project owner can claim against the builders

Imagine: you have just had a beautiful villa built in Mougins, with a swimming pool and an unobstructed view. A few months after moving in, your neighbour sues you, complaining of nuisances: prolonged construction noise, overshadowing, water runoff onto his property. The court orders you to pay him €15,000 in damages. You are the project owner, i.e. the owner who had the construction done. But you did not dig the pool or pour the concrete yourself. Who should pay? The contractors you hired? The question every owner asks is simple: “Can I claim against the builders to recover what I had to pay my neighbour?” The answer, long uncertain, was clarified by the Court of Cassation in a judgment of 18 September 2002. The High Court held that a project owner ordered to pay damages on the basis of abnormal neighbourhood disturbance has a recourse action (i.e. a claim for reimbursement) against the builders, on the same basis. In short, if you are ordered to compensate a neighbour because the construction works generated excessive nuisances, you can ask the companies that carried out the works to reimburse you. But be careful: this action is not automatic, and you must prove that the builders are indeed the cause of the disturbances. Analysis of this decision that changes the game for project owners.

The facts: a story that happens every day

The case begins with a construction project. An agricultural land grouping (a kind of company owning land) decides to have buildings constructed. The works are entrusted to several parties: an architect, a main contractor, various trades. But nuisances soon affect the neighbour. He suffers abnormal neighbourhood disturbances: excessive construction noise, vibrations, dust, perhaps even encroachments or changes to water flow. The neighbour sues the project owner (the land grouping) in court. The court, then the court of appeal, order the grouping to pay damages to the neighbour on the basis of abnormal neighbourhood disturbance. So far, nothing surprising: the owner who has construction done is liable for nuisances caused to his neighbours, even if he did not personally take part in the works. This is the well-known principle: “No one may cause an abnormal neighbourhood disturbance to another.”

But the land grouping does not want to bear the cost alone. It claims against the builders (architect, contractor) for their contribution. It relies on the same basis: abnormal neighbourhood disturbance. In other words, it tells the judges: “The builders created the disturbances, so they must reimburse what I had to pay the neighbour.” The court of appeal dismisses this claim. Why? Because, in its view, the recourse action cannot be based on abnormal neighbourhood disturbance. It considers that this principle applies only between neighbours, not between a project owner and its builders. The grouping appeals to the Court of Cassation. The Court of Cassation quashes the appeal decision and rules in favour of the grouping. It holds that a project owner ordered to compensate a neighbour for abnormal neighbourhood disturbances resulting from construction has, on the same basis, a recourse action against the various builders. In other words, the principle “no one may cause an abnormal neighbourhood disturbance to another” can be invoked not only by the neighbour against the project owner, but also by the project owner against the builders who materially caused the disturbance.

The reasoning of the court — analysed

The Court of Cassation relies on a fundamental principle: “No one may cause an abnormal neighbourhood disturbance to another.” This principle is not set out in a specific statutory article; it is derived from case law (the body of court decisions) on the basis of Article 1240 of the Civil Code (which provides that “any act whatever of man which causes damage to another obliges the person by whose fault it occurred to make reparation”). In matters of neighbourhood disturbances, liability is said to be “no-fault”: it is sufficient that the disturbance is abnormal (excessive compared to ordinary neighbourhood inconveniences) for the neighbour to obtain compensation, without having to prove fault on the part of the owner. This principle applies to all neighbours, whether they are individuals, developers or project owners.

In this case, the court of appeal had considered that the project owner's recourse action against the builders could not be based on the same principle. It considered that abnormal neighbourhood disturbance only applied between neighbouring owners, not in the contractual relationship between a project owner and its contractors. The Court of Cassation censures this reasoning. It recalls that the project owner was ordered to pay the neighbour on the basis of abnormal neighbourhood disturbance. Yet this disturbance was caused by the builders. Therefore, the project owner can claim against them relying on the same basis. This is not a contractual action (based on the construction contract), but a tortious liability action (outside contract) based on abnormal neighbourhood disturbance. The Court clarifies that it is not necessary for the project owner to be a victim of the disturbance themselves; they act as a “victim by ricochet” of the financial consequences of the judgment.

What few people know is that this solution was not obvious. Before this judgment, some courts required the project owner to prove fault on the part of the builders to obtain their contribution. Now, it is enough to show that the works carried out by the builders were the direct cause of the abnormal neighbourhood disturbance. This is a major advance for project owners, who can thus avoid bearing alone the cost of nuisances generated by the companies they hired.

What this changes for you — practically

This decision has very concrete practical implications for several profiles:

• Landlord owner: You have a rental building constructed in Mandelieu. During the works, the neighbour complains of excessive nuisances (noise, dust). You are ordered to pay him €10,000. Thanks to this judgment, you can claim against the main contractor to recover all or part of this sum, provided you prove that the nuisances are linked to his works (e.g., failure to comply with working hours).
• Property developer: You are building a residential complex in Mougins. The neighbour suffers a loss of sunlight due to the height of the building. You are ordered to pay damages on the basis of abnormal neighbourhood disturbance. You can then bring a warranty claim against the architect who designed the project, if the disturbance results from a design error.
• Individual building a house: You are not a professional. If you are ordered to pay damages for disturbances caused by your builder, you now have a clear recourse against him. However, you will often need to bring a separate legal action, which can be time-consuming and costly. It is better to include a clause in the construction contract obliging the contractor to indemnify you against this type of judgment.
• Tenant or neighbour: This decision does not directly concern you, but it strengthens the protection of neighbours. Indeed, since the project owner is more likely to pay quickly knowing that he can claim against the builders, compensation should be easier to obtain.

Practically, if you are a project owner and you receive a summons (court notice) from your neighbour, do not panic. Immediately think about joining the builders in the same proceedings, so that the judge can rule on all liabilities in one go. This will save you a second trial. undefined, I have seen cases where the project owner neglected this precaution and had to bring a second action, which was more costly and lengthy.

Four tips to avoid this type of dispute

• 1. Draft a detailed construction contract: Include a warranty clause by which the contractor undertakes to indemnify you against any judgment for abnormal neighbourhood disturbance caused by his works. Specify that this warranty extends to legal costs.
• 2. Inform your neighbours before the works start: Send a registered letter to each immediate neighbour to notify them of the works, their estimated duration, and the measures taken to limit nuisances. This can defuse tensions and avoid litigation.
• 3. Appoint a health and safety coordinator (CSPS): This professional ensures compliance with safety rules and can also advise on anti-nuisance measures (working hours, sheeting, etc.). His report can serve as evidence in the event of a dispute.
• 4. Keep all documents relating to the works: Plans, meeting minutes, photos, certificates. In the event of a trial, you will need to prove that the disturbance is attributable to the builders, not to you. Good documentation makes the difference.

Besoin d'un conseil personnalisé ? Contactez Maître Zakine — première consultation 30 min à 45€.

Further reading: related case law and developments

Before the 2002 judgment, case law was hesitant. Some courts of appeal required the project owner to prove fault on the part of the builders to obtain their contribution, which was difficult in the absence of contractual fault. Others already applied the principle of abnormal neighbourhood disturbance, but in isolated cases. The Court of Cassation's judgment unified the solution. Since then, several decisions have confirmed this approach. For example, in a judgment of 4 November 2011 (No. 10-25.057), the Court of Cassation extended this reasoning to cases where the project owner is a public entity. The trend is therefore clear: judges favour broad compensation for victims of neighbourhood disturbances by allowing project owners to claim against the true responsible parties. This means that, for the future, builders must be particularly vigilant: they risk being joined in warranty claims even in the absence of contractual fault, as soon as their works generate abnormal nuisances.

In practice: what to do

Here is a checklist of actions to take if you are a project owner and receive a complaint from your neighbour for abnormal neighbourhood disturbance:

1. Do not ignore the complaint. Reply in writing, propose mediation or conciliation.
2. Contact your liability insurer. Some policies cover neighbourhood disturbances.
3. Put the builders on formal notice (officially demand) to take charge of the nuisances. Send a registered letter with acknowledgement of receipt.
4. If legal proceedings are brought against you, join the builders in the same proceedings. This is called a warranty claim. You can do this at the start of the trial.
5. Keep all evidence: photos, videos, testimonies, expert reports, invoices for any repairs.

In summary: this decision gives you a powerful legal tool. But you must use it wisely and promptly. Do not wait until you are ordered to pay to act.

Are you in a similar situation? A 30-minute initial consultation with Maître Zakine (€45) can save you months of proceedings — and often much more. Book an appointment →