For a foreign buyer acquiring property in France, the charm of a stone farmhouse in the Dordogne or a village house in Provence can quickly fade when a neighbour asserts that your hedge encroaches on their land, or that your newly built terrace violates a servitude de passage<\/a><\/em> (right of way). French property boundary law, rooted in the Code civil<\/em> of 1804, is both precise and, at times, counterintuitive for those accustomed to common-law systems. This article provides a structured overview of the legal framework governing property boundaries and neighbour disputes in France, drawing exclusively on recent rulings of the Cour de cassation<\/em> (Third Civil Chamber) and the applicable provisions of the Code civil<\/em>.<\/p>\n Under French law, the definitive act by which the dividing line between two contiguous properties is established is the bornage<\/em> (boundary determination). Article 646<\/a> of the Code civil<\/em> provides a deceptively simple rule: \u00abTout propri\u00e9taire peut obliger son voisin au bornage de leurs propri\u00e9t\u00e9s contigu\u00ebs. Le bornage se fait \u00e0 frais communs.\u00bb<\/em> (\u201cEvery owner may compel his neighbour to determine the boundary between their contiguous properties. The bornage<\/em> is carried out at shared expense.\u201d)<\/p>\n The right to demand a bornage<\/em> is imprescriptible: it can be exercised at any time, regardless of how long the properties have coexisted without a formal boundary. This is a fundamental guarantee for foreign owners who may have inherited or purchased property described by outdated plans cadastraux<\/em> (cadastral maps), which are tax documents and do not constitute proof of ownership boundaries.<\/p>\n A bornage<\/em> may be carried out amicably or judicially. The amicable procedure involves the appointment of a g\u00e9om\u00e8tre-expert<\/em> (licensed surveyor) by both parties, who then sign a proc\u00e8s-verbal de bornage<\/em> (boundary report) that is registered with the local land registry. If one neighbour refuses to participate, the other may petition the tribunal judiciaire<\/em> for a bornage judiciaire<\/em> (court-ordered boundary determination). The court will appoint an expert surveyor whose findings, once ratified by the judge, become binding.<\/p>\n However, once a valid bornage<\/em> has been performed, a new action for the same purpose is inadmissible unless the boundary line has since become uncertain. The Cour de cassation<\/em> confirmed this principle in a decision of 28 March 2024 (no. 22-16.473, Bull.)<\/a>, holding that \u201cle bornage rend irrecevable toute nouvelle action tendant aux m\u00eames fins, sauf \u00e0 ce que la limite s\u00e9parative, du fait de la disparition de tout ou partie des bornes, soit devenue incertaine\u201d (\u201ca bornage<\/em> renders any subsequent action for the same purpose inadmissible, unless the dividing line has become uncertain due to the disappearance of all or part of the boundary markers\u201d). In that case, the court found that even though the physical boundary stones had disappeared, the previous owners themselves had consecrated the boundary line by erecting a fence along it, so the boundary was not uncertain and the new action was inadmissible.<\/p>\n A critical distinction, often misunderstood by foreign purchasers, is that a bornage<\/em> determines the dividing line between two properties but does not, in itself, transfer ownership of land. The Cour de cassation<\/em> reaffirmed this principle in Cass. 3e civ., 23 January 2025, no. 23-18.821<\/a>: \u201cun proc\u00e8s-verbal de bornage, qui ne constitue pas un acte translatif de propri\u00e9t\u00e9, ne permet pas \u00e0 lui seul d\u2019attribuer la propri\u00e9t\u00e9 d\u2019une portion de terrain et d\u2019ordonner la d\u00e9molition des ouvrages qui y ont \u00e9t\u00e9 construits\u201d (\u201ca proc\u00e8s-verbal de bornage<\/em>, which does not constitute a deed transferring ownership, does not by itself allow ownership of a portion of land to be attributed, nor the demolition of structures built upon it to be ordered\u201d). The Court quashed a decision that had ordered demolition of a wall based solely on a boundary report, holding that the lower court had violated Articles 544<\/a> and 646<\/a> of the Code civil<\/em>.<\/p>\n This means that if a bornage<\/em> reveals that your neighbour\u2019s wall is, say, 4 cm over the boundary line\u2014as in a widely reported case recently covered by the English-language press\u2014the boundary report alone is not sufficient to obtain a demolition order. The claimant must additionally prove ownership of the encroached-upon land, typically through titres de propri\u00e9t\u00e9<\/em> (title deeds) or, in some cases, through prescription acquisitive<\/em> (adverse possession).<\/p>\n French law recognises two forms of adverse possession: prescription acquisitive abr\u00e9g\u00e9e<\/em> (ten to twenty years, requiring a juste titre<\/em>, i.e. a valid though defective deed) and prescription acquisitive trentenaire<\/em> (thirty years, requiring no title). Article 2261<\/a> of the Code civil<\/em> sets out the strict conditions: \u201cPour pouvoir prescrire, il faut une possession continue et non interrompue, paisible, publique, non \u00e9quivoque, et \u00e0 titre de propri\u00e9taire\u201d (\u201cTo be able to prescribe, possession must be continuous and uninterrupted, peaceful, public, unequivocal, and in the capacity of an owner\u201d).<\/p>\n The Cour de cassation<\/em> has been protective of adverse possession in boundary disputes. In Cass. 3e civ., 7 September 2023, no. 21-25.779<\/a>, the Court held that a boundary agreement between neighbours does not affect the conditions of adverse possession: \u201cl\u2019accord des parties sur la d\u00e9limitation de fonds, qui n\u2019implique pas, \u00e0 lui seul, leur accord sur la propri\u00e9t\u00e9 des parcelles litigieuses, ne suffit pas \u00e0 entacher la possession invoqu\u00e9e d\u2019un vice d\u2019\u00e9quivoque\u201d (\u201cthe parties\u2019 agreement on the boundary, which does not in itself imply their agreement on the ownership of the disputed parcels, is not sufficient to taint the alleged possession with a defect of equivocality\u201d). In practice, this means that a landowner who has continuously used a strip of land for parking or storage for over thirty years may validly claim ownership by adverse possession even if an earlier boundary agreement had placed that strip on the neighbour\u2019s side of the line.<\/p>\n Moreover, any legal action that asserts a competing claim to the disputed land interrupts the thirty-year prescription period. In Cass. 3e civ., 29 June 2023, no. 21-25.390 (Bull.)<\/a>, the Court ruled that an application for a court-appointed expert, filed in r\u00e9f\u00e9r\u00e9<\/em> (interim proceedings) under Article 145 of the Code de proc\u00e9dure civile<\/em>, interrupts the acquisitive prescription period. The Court stated: \u201cUne assignation en r\u00e9f\u00e9r\u00e9-expertise, qui tend \u00e0 faire \u00e9tablir avant tout proc\u00e8s la preuve d\u2019un empi\u00e9tement, est interruptive de la prescription acquisitive trentenaire\u201d (\u201cA summons for a court-appointed expert, which seeks to establish before any trial the proof of an encroachment, interrupts the thirty-year period for adverse possession\u201d).<\/p>\n This is a crucial point for foreign buyers: if a dispute over a boundary has arisen in the past, even an expert assessment procedure initiated by the neighbour may have stopped the clock on any adverse possession claim the seller might have had, thereby preserving the neighbour\u2019s rights.<\/p>\n Disputes involving empi\u00e8tement<\/em> (encroachment) are among the most frequent neighbour conflicts brought before French courts. An encroachment typically involves a wall, a roof overhang, foundations, or even a balcony that extends beyond the boundary line onto the neighbouring plot. French law takes encroachment seriously: Article 544<\/a> of the Code civil<\/em> defines property as \u201cle droit de jouir et disposer des choses de la mani\u00e8re la plus absolue\u201d (\u201cthe right to enjoy and dispose of things in the most absolute manner\u201d), and the courts have consistently held that an encroachment, however minor, constitutes a violation of this right capable of justifying demolition.<\/p>\n In Cass. 3e civ., 18 January 2023, no. 21-15.269<\/a>, the Court upheld an order for removal of a parking area and retaining wall that encroached on a neighbour\u2019s land. The trial court had relied on an expert\u2019s examination of cadastral plans, notarial deeds, survey documents and photographs, superimposing the field survey onto the plan annexed to the title deed. The Court confirmed that such technical evidence, without needing to rely on a boundary report as a deed of transfer, was sufficient to establish the encroachment.<\/p>\n For foreign owners, a particularly acute concern is the servitude de passage pour cause d\u2019enclave<\/em> (right of way by reason of landlocking). Article 682<\/a> of the Code civil<\/em> provides that the owner of a landlocked property who has no access, or insufficient access, to the public road is entitled to claim a right of way over a neighbour\u2019s land, subject to payment of compensation proportionate to the damage caused. The passage must be taken on the shortest route to the public road and in the least damaging location.<\/p>\n The Cour de cassation<\/em> recently clarified a fundamental point: a servitude<\/em> is a right attached to the land, not to a person. In Cass. 3e civ., 19 June 2025, no. 24-11.456 (Bull.)<\/a>, the Court quashed a decision that had granted \u201cM. [C]\u201d a right of way, stating: \u201cla servitude pour cause d\u2019enclave ne pouvait \u00eatre institu\u00e9e que pour l\u2019usage et l\u2019utilit\u00e9 d\u2019un fonds d\u00e9termin\u00e9 et non au profit d\u2019une personne\u201d (\u201ca right of way for landlocking may only be established for the use and benefit of a determined parcel of land, and not for the benefit of a person\u201d). The judgment must identify the dominant and servient tenements\u2014a distinction that can be critical when a right of way is asserted by a tenant or a neighbouring farmer rather than by the owner of the landlocked parcel itself.<\/p>\n Where the landlocking results from the division of a single plot of land\u2014for instance, when a seller retains the rear portion after selling the front portion\u2014Article 684<\/a> of the Code civil<\/em> restricts the location of the right of way: the passage may only be claimed over the parcels that formed part of the original divided plot. In Cass. 3e civ., 24 October 2024, no. 22-24.410 (Bull.)<\/a>, the Court extended this principle by ruling that if establishing the passage on the divided parcels would violate applicable urban planning or environmental regulations, the passage may be sited on other neighbouring parcels under the ordinary rules of Article 682. The Court held that \u201cl\u2019assiette de la servitude l\u00e9gale de passage pr\u00e9vue \u00e0 l\u2019article 682 du code civil doit \u00eatre compatible, lorsque les fonds concern\u00e9s sont situ\u00e9s dans une zone de protection, avec les \u00e9ventuelles contraintes d\u2019urbanisme et d\u2019environnement applicables\u201d (\u201cthe location of the statutory right of way under Article 682 of the Civil Code must be compatible, where the land concerned is located in a protected zone, with the applicable urban planning and environmental constraints\u201d).<\/p>\n For a foreign buyer considering the purchase of a rural property with a single-track access road crossing a neighbour\u2019s field, these rules are of immediate practical importance. If the access was granted informally for decades without a registered servitude<\/em>, a change of ownership of the servient land could lead to the access being blocked. Buyers should verify, at the compromis de vente<\/a><\/em> (preliminary sale agreement) stage, whether any access routes are covered by a registered servitude<\/em> or, at minimum, by a documented thirty-year usage that could support a claim of prescription.<\/p>\n Trees and hedges are a perennial source of conflict between neighbours in France, and the rules are set out with characteristic precision in the Code civil<\/em>. Articles 671<\/a> and 672<\/a> distinguish between plantations based on their distance from the boundary line and their height:<\/p>\n Article 673<\/a> further entitles a neighbour to compel the owner of a tree or hedge to cut back branches that overhang the boundary, although the neighbour may not cut them himself. By contrast, roots, brambles or twigs encroaching onto a neighbour\u2019s land may be cut by the neighbour himself at the boundary line.<\/p>\n The interaction between the specific plantation rules and the broader doctrine of trouble anormal de voisinage<\/em> (abnormal neighbourhood nuisance) has given rise to important jurisprudence. The trouble anormal<\/em> doctrine is a judge-made remedy, independent of any statutory provision, that allows a landowner to seek damages or injunctive relief for a nuisance that exceeds the ordinary inconveniences of neighbourhood.<\/p>\nI. The Legal Framework for Property Boundaries in France<\/h2>\n
A. The Right to Bornage<\/em>: Compelling a Boundary Determination<\/h3>\n
B. The Limited Legal Effect of Boundary Agreements<\/h3>\n
II. Common Disputes and Legal Remedies for Foreign Owners<\/h2>\n
A. Encroachment, Easements and Rights of Way<\/h3>\n
B. Trees, Hedges and Neighbour Nuisance<\/h3>\n
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