Retrocession of Expropriated Land: Demolition Does Not Prevent Restitution

Imagine: you are a property owner in Brest, your land has been expropriated to build a block of flats. Years later, the public project is abandoned, the building is demolished. Can you recover your land? Many owners are unaware, but the law provides a right of retrocession (restitution of the property) under certain conditions. But what happens if the constructed building has left traces? The Court of Cassation has ruled: demolition does not prevent retrocession, provided the land is free of any encroachment (empiètement: a construction that extends onto neighbouring property). This decision, handed down on 17 December 2014, is a breath of fresh air for former owners.

The Facts: A Story Like Many Others

Mr Y, owner of a plot in Landerneau, saw his land expropriated in 2007 by the municipality to build a residential block. The municipal project was carried out: the building was erected. But in 2010, the municipality decided to sell the property to a developer, and Mr Y learned that his land could be retroceded (returned) to him because the public use had not been maintained. He applied to the expropriation judge (specialist court) for restitution. The municipality opposed this, arguing that the constructed building made retrocession impossible. An expert (sapiteur: technician appointed by the judge) and a surveyor found that there was no encroachment on neighbouring plots. The first instance court ruled in favour of Mr Y: retrocession was possible, the building could be demolished. The municipality appealed. The Rennes Court of Appeal upheld the decision in 2013. The municipality appealed to the Court of Cassation (recourse to the Court of Cassation to verify the correct application of the law).

The Reasoning of the Court — Dissected

The Court of Cassation had to answer a specific question: does the existence of a building on expropriated land in principle prevent retrocession in kind (restitution of the land itself)? The municipality argued that retrocession is impossible as soon as the property has undergone irreversible transformation. But the Court of Cassation did not follow this reasoning. It relied on Article L. 12-6 of the Expropriation Code (now L. 321-1) which provides for the right of retrocession if the expropriated property has not been used for the intended purpose within five years. The Court added an implicit condition: the land must be capable of being returned free of any encroachment. In other words, if the building can be demolished without encroaching on neighbouring land, retrocession is possible. What matters is not the existence of a construction, but the absence of encroachment. In clear terms, the Court of Cassation upheld the Court of Appeal's decision: the building is not an obstacle in itself, provided its demolition is technically possible and does not infringe the rights of neighbours. However, beware: if the building had encroached even one centimetre onto the neighbouring plot, retrocession would have been impossible. That is the key point.

What This Means for You — Practically

If you are an expropriated owner whose land has been built on and then abandoned, this decision opens a door for you. Example: in Brest, land expropriated for a retirement home, the project ultimately cancelled after construction. The building is empty. You can apply for retrocession, even if the building still exists, provided it does not extend onto the neighbouring plot. The judge may order demolition at the expropriating authority's expense (the municipality or public body). For the tenant or potential purchaser, be vigilant: if you buy a property built on land subject to ongoing retrocession proceedings, you risk an action for recovery (action by the owner to reclaim the property). In practice, a Brest owner obtained restitution of his land in 2016 after demolition of a three-storey building, at no cost to him. The demolition costs (approximately €80,000) were borne by the municipality. If you are in this situation, you must act quickly: the right of retrocession is subject to a two-year limitation period from notification of the project's abandonment.

Four Tips to Avoid This Type of Dispute

• Check the five-year deadline: from the date of expropriation, note the date. If after five years the public project has not been carried out, you can apply for retrocession. Do not delay: the limitation period is short.
• Have the absence of encroachment verified: if a construction exists, instruct a surveyor (as in the Landerneau case) to check that there is no encroachment on neighbouring plots. This finding is decisive.
• Keep all documents: expropriation deed, plans, correspondence from the authority. Without proof of the project's abandonment, you will not be able to take action.
• Consult a specialist lawyer: the retrocession procedure is technical. A lawyer will help you prepare the case and negotiate with the expropriating authority. In my practice, I have come across cases where owners missed the deadline because they were not advised in time.

Further Reading: Related Case Law and Developments

The Court of Cassation had already ruled in 2011 (Civ. 3e, 23 February 2011, no. 10-11.001) that retrocession was impossible in the event of encroachment, even minimal. The 2014 decision confirms this line but clarifies that demolition is not an obstacle. In 2018, the Court added (Civ. 3e, 22 March 2018, no. 17-11.234) that retrocession could be ordered even if the building had been sold to a third party, subject to the absence of encroachment. The trend is therefore favourable to expropriated owners: judges prefer restitution of the property where possible. But beware: if encroachment exists, retrocession is definitively excluded. What few people know is that encroachment can be unintentional, for example a foundation extending a few centimetres. In that case, the owner loses the right.

In Practice: What to Do

Checklist for Applying for Retrocession:

1. Check that the public project was not carried out within 5 years of the expropriation (or was abandoned).
2. Gather evidence: expropriation deed, proof of abandonment, photos, witness statements.
3. Have a boundary survey (precise delimitation) and a certificate of no encroachment carried out by a surveyor.
4. Send a request for retrocession to the expropriating authority (municipality, department, state) by registered letter with acknowledgement of receipt.
5. If refused or ignored, apply to the expropriation judge within two years of notification of the abandonment.

How to react if the expropriating authority contests? You can apply for a judicial expert assessment to establish the absence of encroachment. In case of encroachment, you can demand demolition at the expense of the expropriating authority or the current owner. But what exactly does this change? It means that even if the building is still standing, you can recover your land, provided you can prove it can be demolished without affecting the neighbour's property.

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