{"id":2143557,"date":"2026-10-09T19:16:29","date_gmt":"2026-10-09T17:16:29","guid":{"rendered":"https:\/\/kohenavocats.fr\/2026\/10\/09\/france-cracks-leaks-defects-decennale-claim-foreign-owners-guide\/"},"modified":"2026-10-09T19:16:29","modified_gmt":"2026-10-09T17:16:29","slug":"france-cracks-leaks-defects-decennale-claim-foreign-owners-guide","status":"publish","type":"post","link":"https:\/\/kohenavocats.fr\/en\/2026\/10\/09\/france-cracks-leaks-defects-decennale-claim-foreign-owners-guide\/","title":{"rendered":"Cracks, Leaks and Serious Defects After Buying Property in France: How Foreign Owners Claim Under the Ten-Year Builder Warranty"},"content":{"rendered":"<p>You bought a house or an apartment in France, and months or years after moving in \u2014 or after your tenants moved in \u2014 cracks spread across the facade, water seeps through the terrace, the cellar floods every winter, or the floor starts to slope. For a foreign owner living hundreds of kilometres away, the first question is brutally practical: who pays for the repair, and how long do you have to act? French law answers with one of the strongest buyer-protection regimes in Europe: the <em>garantie d\u00e9cennale<\/em> (ten-year builder warranty). It makes the builders strictly liable for ten years for defects that threaten the solidity of the building or make it unfit for its purpose, and it is backed by compulsory insurance. But the regime is a deadline machine. Miss the starting date, misjudge the seriousness test, notify the wrong insurer, or file your lawsuit a few months too late, and even a spectacular defect leaves you with nothing. This guide walks you through the claim step by step, from the day you discover the damage to the day the repair is paid for.<\/p>\n<p>A companion guide on this site explains the warranty in general terms for buyers before they sign. This page is different: it is written for owners who already face cracks, leaks or structural movement and need to know what to do now, in which order, with which evidence, and before which deadline. Where French legal terms appear, they are given in italics with an English explanation on first use.<\/p>\n<h2>I. Diagnose the defect and lock in your claim before the clock runs out<\/h2>\n<h3>A. When did the ten years start, and is your defect serious enough?<\/h3>\n<p>Everything in the ten-year warranty turns on two questions: the starting date and the gravity of the damage. The statute names the starting point without ambiguity. <a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443502\" class=\"kohen-legifrance-popup-link\" data-kohen-legifrance-url=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443502\" data-kohen-legifrance-title=\"Texte officiel Legifrance\" target=\"_blank\" rel=\"noopener\">Article 1792 of the Civil Code<\/a> provides: \u00ab Tout constructeur d&#8217;un ouvrage est responsable de plein droit, envers le ma\u00eetre ou l&#8217;acqu\u00e9reur de l&#8217;ouvrage, des dommages, m\u00eame r\u00e9sultant d&#8217;un vice du sol, qui compromettent la solidit\u00e9 de l&#8217;ouvrage ou qui, l&#8217;affectant dans l&#8217;un de ses \u00e9l\u00e9ments constitutifs ou l&#8217;un de ses \u00e9l\u00e9ments d&#8217;\u00e9quipement, le rendent impropre \u00e0 sa destination. \u00bb (Every builder of a structure is strictly liable, towards the project owner or the purchaser of the structure, for damage, even resulting from a defect of the soil, which compromises the solidity of the structure or which, affecting it in one of its constituent elements or one of its equipment elements, renders it unfit for its purpose.) Three ideas in that single sentence carry the whole regime: liability is strict, meaning you do not have to prove anyone&#8217;s fault; soil defects are included, which matters enormously for houses built on clay; and the damage must reach a threshold \u2014 threatened solidity or unfitness for purpose.<\/p>\n<p>The ten-year period runs from the <em>r\u00e9ception<\/em> (formal acceptance of the works). <a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443552\" class=\"kohen-legifrance-popup-link\" data-kohen-legifrance-url=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443552\" data-kohen-legifrance-title=\"Texte officiel Legifrance\" target=\"_blank\" rel=\"noopener\">Article 1792-6 of the Civil Code<\/a> defines it as \u00ab l&#8217;acte par lequel le ma\u00eetre de l&#8217;ouvrage d\u00e9clare accepter l&#8217;ouvrage avec ou sans r\u00e9serves \u00bb (the act by which the project owner declares acceptance of the structure, with or without reservations). In new-build purchases off plan and in most developer sales, that acceptance is documented in a signed <em>proc\u00e8s-verbal de r\u00e9ception<\/em> (acceptance report), and the date on that report starts your ten years. Ask the seller, the developer or the syndic for it on day one: without that date, you cannot compute any deadline. Where the works were commissioned directly from tradesmen \u2014 a common pattern for foreign buyers who renovate a village house \u2014 there is often no written report at all. The courts then accept a tacit acceptance, but they infer it only from unequivocal conduct. <a href=\"https:\/\/www.courdecassation.fr\/decision\/607dde49bdd797b53ae6e181\">Cass. 3rd civ., 1 April 2021, no. 19-25.563<\/a> states the rule in one sentence: \u00ab En application de l&#8217;article 1792-6 du code civil, la prise de possession de l&#8217;ouvrage et le paiement des travaux font pr\u00e9sumer la volont\u00e9 non \u00e9quivoque du ma\u00eetre de l&#8217;ouvrage de le recevoir avec ou sans r\u00e9serves. \u00bb (Under Article 1792-6 of the Civil Code, taking possession of the structure together with payment for the works gives rise to a presumption of the project owner&#8217;s unequivocal intention to accept it, with or without reservations.) Taking the keys plus paying the final invoice therefore counts as acceptance, and the clock starts.<\/p>\n<p>When possession and full payment fall on different dates, the later of the two governs. <a href=\"https:\/\/www.courdecassation.fr\/decision\/5fca28ccc8c4b77eec00da3c\">Cass. 3rd civ., 12 November 2020, no. 19-18.213<\/a> approved a court of appeal which had held that \u00ab la r\u00e9ception tacite r\u00e9sultait de la prise de possession jointe au paiement int\u00e9gral, de sorte que la date \u00e0 retenir pour le point de d\u00e9part de l&#8217;action en garantie d\u00e9cennale \u00e9tait le 26 mai 2006 \u00bb (the tacit acceptance resulted from taking possession combined with full payment, so that the date to retain as the starting point of the ten-year warranty action was 26 May 2006). In that case the hotel had opened in September 2005 but the final invoice was only paid on 26 May 2006, and the later date won. A companion ruling refines the payment date when the balance was paid by cheque: the date of payment is the date the cheque was issued \u2014 the moment the drawer irrevocably parted with it \u2014 and it is for the owner to prove when that happened (<a href=\"https:\/\/www.courdecassation.fr\/decision\/607dde49bdd797b53ae6e181\">Cass. 3rd civ., 1 April 2021, no. 19-25.563<\/a>). Keep bank statements and copies of cheques or transfers: a dispute over a few weeks can decide whether your action is admissible at all, and courts examine these dates closely. In <a href=\"https:\/\/www.courdecassation.fr\/decision\/5fca3328048d820f08ff4155\">Cass. 3rd civ., 23 September 2020, no. 19-20.282<\/a>, the Cour de cassation quashed a ruling that had discarded a signed acceptance report of 10 August 2010 in favour of a later tacit date, recalling that \u00ab l&#8217;objet du litige est d\u00e9termin\u00e9 par les pr\u00e9tentions respectives des parties \u00bb (the subject matter of the dispute is determined by the respective claims of the parties). The lesson for owners is concrete: produce the acceptance report if one exists, because judges will hold the parties to the dates they actually pleaded.<\/p>\n<p>The second threshold question is gravity. Not every crack qualifies. Hairline shrinkage cracks in fresh plaster, a dripping tap, peeling paint or a noisy boiler are annoyances, not decennial damage. The warranty covers damage that compromises solidity \u2014 structural cracking, subsidence, failing foundations, a roof that no longer keeps water out \u2014 or that renders the building unfit for its purpose, such as widespread water ingress making rooms unusable, severe damp from failed waterproofing, or a heating system wholly unable to function. Equipment permanently built into the structure is covered on the same terms: <a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443524\" class=\"kohen-legifrance-popup-link\" data-kohen-legifrance-url=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443524\" data-kohen-legifrance-title=\"Texte officiel Legifrance\" target=\"_blank\" rel=\"noopener\">Article 1792-2 of the Civil Code<\/a> extends the strict presumption to equipment damage \u00ab seulement lorsque ceux-ci font indissociablement corps avec les ouvrages de viabilit\u00e9, de fondation, d&#8217;ossature, de clos ou de couvert \u00bb (only where such equipment forms an indissociable part of the groundworks, foundations, framework, enclosure or roofing). Embedded pipework, a waterproof membrane under tiling, or underfloor heating cast into the slab therefore sit inside the ten-year warranty, while freestanding or easily replaceable appliances fall under a shorter two-year regime: <a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443534\" class=\"kohen-legifrance-popup-link\" data-kohen-legifrance-url=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443534\" data-kohen-legifrance-title=\"Texte officiel Legifrance\" target=\"_blank\" rel=\"noopener\">Article 1792-3 of the Civil Code<\/a> provides that \u00ab Les autres \u00e9l\u00e9ments d&#8217;\u00e9quipement de l&#8217;ouvrage font l&#8217;objet d&#8217;une garantie de bon fonctionnement d&#8217;une dur\u00e9e minimale de deux ans \u00e0 compter de sa r\u00e9ception. \u00bb (Other equipment elements of the structure are covered by a minimum two-year guarantee of proper functioning from acceptance.) Triage your defects accordingly before you write to anyone: a dead intercom is a two-year matter, a spreading stepped crack through the load-bearing wall is a ten-year matter, and confusing the two wastes months.<\/p>\n<p>Evolving damage needs special attention because foreign owners often watch cracks widen over several years before acting. The courts accept that a defect still developing can qualify, but they impose a strict certainty test. <a href=\"https:\/\/www.courdecassation.fr\/decision\/68d4d64b1e8f43fdd30b5cb9\">Cass. 3rd civ., 25 September 2025, no. 24-10.517<\/a> quashed a ruling that had condemned a house seller on the basis of an expert&#8217;s warning of a proven risk of collapse: the expert had also said the villa presented no immediate collapse risk and the cracks did not yet render the house unfit for its purpose, and the ruling failed to establish that the damage had reached, or would certainly reach, the required gravity within ten years of acceptance. Only defects that have already reached decennial gravity, or will certainly do so before the ten years expire, count. A crack that might one day become serious is not enough; a crack the expert says will inexorably compromise stability within the period is. Commission your technical expert with that exact question in mind, and ask for a written opinion on whether the gravity threshold is met or will certainly be met before the tenth anniversary of acceptance.<\/p>\n<p>Two protective rules complete the picture. First, the warranty follows the building, not the person who commissioned the works: as a subsequent purchaser you sue the builders directly, and a seller who built the house or had it built is himself deemed a builder. <a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443512\" class=\"kohen-legifrance-popup-link\" data-kohen-legifrance-url=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443512\" data-kohen-legifrance-title=\"Texte officiel Legifrance\" target=\"_blank\" rel=\"noopener\">Article 1792-1 of the Civil Code<\/a> deems to be a builder \u00ab Toute personne qui vend, apr\u00e8s ach\u00e8vement, un ouvrage qu&#8217;elle a construit ou fait construire \u00bb (Every person who sells, after completion, a structure which they built or had built). And <a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006441992\" class=\"kohen-legifrance-popup-link\" data-kohen-legifrance-url=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006441992\" data-kohen-legifrance-title=\"Texte officiel Legifrance\" target=\"_blank\" rel=\"noopener\">Article 1646-1 of the Civil Code<\/a> adds that \u00ab Ces garanties b\u00e9n\u00e9ficient aux propri\u00e9taires successifs de l&#8217;immeuble. \u00bb (These warranties benefit the successive owners of the building.) You do not need a contractual chain linking you to the original mason or architect. Second, no contract clause can take this protection away: <a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443652\" class=\"kohen-legifrance-popup-link\" data-kohen-legifrance-url=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006443652\" data-kohen-legifrance-title=\"Texte officiel Legifrance\" target=\"_blank\" rel=\"noopener\">Article 1792-5 of the Civil Code<\/a> provides that \u00ab Toute clause d&#8217;un contrat qui a pour objet, soit d&#8217;exclure ou de limiter la responsabilit\u00e9 pr\u00e9vue aux articles 1792 , 1792-1 et 1792-2 , soit d&#8217;exclure les garanties pr\u00e9vues aux articles 1792-3 et 1792-6 ou d&#8217;en limiter la port\u00e9e, soit d&#8217;\u00e9carter ou de limiter la solidarit\u00e9 pr\u00e9vue \u00e0 l&#8217;article 1792-4 , est r\u00e9put\u00e9e non \u00e9crite. \u00bb (Any contractual clause aimed at excluding or limiting liability under Articles 1792, 1792-1 and 1792-2 is deemed unwritten.) A developer&#8217;s sale contract that purports to cap builder liability or shorten the period is simply unenforceable on that point.<\/p>\n<h3>B. Freeze the evidence and notify the right debtors in the right order<\/h3>\n<p>Once you suspect decennial damage, your first moves are about proof, not about blame. French construction litigation is won or lost on the expert file, and defects evolve: cracks get pointed and repainted by a well-meaning caretaker, leaks dry up in summer, a tenant redecorates over damp stains. Start a dated photographic record immediately, with a newspaper or a phone timestamp visible where possible, and photograph a ruler held against each crack so its width is measurable. Note the date each defect first appeared and every event since \u2014 storms, neighbouring works, the heating season, periods when the property stood empty \u2014 because builders routinely argue the damage comes from poor maintenance, a late-discovered soil event, or works you commissioned yourself. Keep every invoice for maintenance and for any emergency measure, and never authorise a full repair of the disputed area before an expert has seen it: urgent weatherproofing is fine and even expected, but destroying the evidence of the defect before it is recorded can halve your compensation.<\/p>\n<p>For defects that matter financially, have the damage recorded by a <em>commissaire de justice<\/em> (court officer, formerly known as a <em>huissier de justice<\/em>), who draws up a formal <em>constat<\/em> (sworn factual report) describing what can be seen, measured and photographed on a given day. A constat costs a few hundred euros and carries far more weight than your own photographs, because it is drawn up by a sworn officer whose observations courts trust. Then commission a private technical expert \u2014 an <em>expert en b\u00e2timent<\/em> \u2014 for an initial opinion on three questions: the likely cause, whether the gravity threshold described above appears met, and what urgent protective works are needed. That private report is not binding on the other side, but it tells you whether to launch the heavy procedure or negotiate, and it gives your lawyer the technical backbone of the formal notice. Foreign owners managing from abroad should mandate one local contact \u2014 a property manager, a neighbour, anyone reliable \u2014 to grant access to the officer and the expert, because missed appointments add months.<\/p>\n<p>Before suing anyone, send a formal demand. The <em>mise en demeure<\/em> (formal notice to remedy) is a registered letter with acknowledgment of receipt asking each identified builder to acknowledge the defects and to propose repairs or compensation within a stated time, typically one month. It serves three purposes: it sometimes produces a settlement or an insurer referral without litigation, it fixes the date from which late-payment interest can run, and it proves you gave the other side a fair chance to act \u2014 judges notice who behaved reasonably. Address it to every potentially liable party you can identify: the developer or seller who built or had the property built, the architect, the main contractor, and any specialist whose trade matches the defect, such as the roofer for a leaking roof or the mason for structural cracking. Demand from each of them, in the same letter, a copy of their ten-year liability insurance certificate (<em>attestation d&#8217;assurance d\u00e9cennale<\/em>) covering the year the worksite opened: builders must hold this insurance, and the certificate names the insurer you will ultimately claim against. If a builder ignores the letter or has disappeared, that silence itself becomes part of your file.<\/p>\n<p>Two insurance declarations run in parallel with the formal notice, and confusing them is the classic foreign-buyer mistake. The first is the builder&#8217;s own ten-year liability policy: once you hold the certificate, notify that insurer directly of the damage by registered letter, describing the defects, the acceptance date and the policy reference. The second is your own <em>assurance dommages-ouvrage<\/em> (works-damage insurance, universally shortened to DO), the policy the project owner was obliged to take out before the worksite opened so that repairs are pre-financed without waiting for liability to be established. <a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000019265425\" class=\"kohen-legifrance-popup-link\" data-kohen-legifrance-url=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000019265425\" data-kohen-legifrance-title=\"Texte officiel Legifrance\" target=\"_blank\" rel=\"noopener\">Article L. 242-1 of the Insurance Code<\/a> requires that \u00ab Toute personne physique ou morale qui, agissant en qualit\u00e9 de propri\u00e9taire de l&#8217;ouvrage, de vendeur ou de mandataire du propri\u00e9taire de l&#8217;ouvrage, fait r\u00e9aliser des travaux de construction, doit souscrire avant l&#8217;ouverture du chantier [&#8230;] une assurance garantissant [&#8230;] le paiement de la totalit\u00e9 des travaux de r\u00e9paration des dommages de la nature de ceux dont sont responsables les constructeurs \u00bb (Every natural or legal person who, acting as project owner, seller or agent of the project owner, has construction works carried out, must subscribe before the worksite opens insurance guaranteeing payment of the full cost of repairing damage of the kind for which builders are liable). If you bought new, the developer subscribed it and the policy should have been handed to you with the sale deed \u2014 check your <em>acte de vente<\/em> (notarial deed of sale) and its annexes now. If you bought an older house after heavy renovation works, ask the seller whether a DO policy was taken out for those works and whether its benefit was transferred to you. Declaring the loss to the DO insurer triggers a regulated investigation timetable ending in an indemnity offer, and that pre-financing can pay for the works years before the liability trial ends.<\/p>\n<p>The DO route has one timing subtlety foreign owners must understand: declaring the loss in time preserves your position even if the insurer&#8217;s own investigation drags on past the tenth anniversary. <a href=\"https:\/\/www.courdecassation.fr\/decision\/646efdde3fdabad0f888e668\">Cass. 3rd civ., 25 May 2023, no. 22-13.410<\/a> approved judges who had found that \u00ab l&#8217;impossibilit\u00e9 du recours subrogatoire \u00e9tait due aux seuls d\u00e9lais d&#8217;instruction de la d\u00e9claration de sinistre pr\u00e9vus \u00e0 l&#8217;article L. 242-1 du code des assurances \u00bb (the impossibility of exercising the subrogated claim was due solely to the time taken to investigate the loss declaration under Article L. 242-1 of the Insurance Code), so the insurers could not blame the owners for the delay their own procedure had caused. Declare early, in writing, with acknowledgment of receipt, and keep proof of the declaration date: it is that date, measured against the tenth anniversary of acceptance, that protects you. Note the counterpart risk the same decision implies \u2014 a declaration filed after expiry leaves the DO insurer entitled to refuse \u2014 so never wait for the builder to answer your formal notice before declaring to the DO insurer. The two tracks run simultaneously.<\/p>\n<p>Finally, calendar the hard deadline now and work backwards from it. <a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000019017055\" class=\"kohen-legifrance-popup-link\" data-kohen-legifrance-url=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000019017055\" data-kohen-legifrance-title=\"Texte officiel Legifrance\" target=\"_blank\" rel=\"noopener\">Article 1792-4-1 of the Civil Code<\/a> provides that every person whose liability may be engaged under the decennial regime \u00ab est d\u00e9charg\u00e9e des responsabilit\u00e9s et garanties pesant sur elle [&#8230;] apr\u00e8s dix ans \u00e0 compter de la r\u00e9ception des travaux \u00bb (is discharged from the liabilities and warranties weighing on them after ten years from acceptance of the works). Ten years to the day, not a week more. And that period is a <em>d\u00e9lai de forclusion<\/em> (a strict time bar), not an ordinary limitation period: it cannot be paused or restarted by the debtor&#8217;s acknowledgments, promises to return, or partial repairs. <a href=\"https:\/\/www.courdecassation.fr\/decision\/68e74c880ebbd151ceb999cc\">Cass. 3rd civ., 9 October 2025, no. 23-20.446<\/a> states bluntly: \u00ab Le d\u00e9lai de dix ans pour agir contre les constructeurs sur le fondement des articles 1792-4-1 \u00e0 1792-4-3 du code civil est un d\u00e9lai de forclusion. \u00bb (The ten-year period for suing builders under Articles 1792-4-1 to 1792-4-3 of the Civil Code is a time bar.) In that case the builder had come back in 2012 to redo part of its works, the wall collapsed in 2018, and the owner sued in 2020 \u2014 but acceptance dated from June 2005, so everything failed as time-barred despite the builder&#8217;s return to site. A contractor who patches the crack in year nine does not give you a new ten years. Your lawsuit on the merits must be filed \u2014 meaning the writ served \u2014 before midnight on the tenth anniversary. Count backwards at least six months for the expert proceedings described below, and treat year nine as your absolute last moment to instruct a lawyer.<\/p>\n<h2>II. Get the repair paid: insurers first, courts if needed<\/h2>\n<h3>A. Sue the insurer directly and make the works-damage policy pre-finance the repair<\/h3>\n<p>Most foreign owners imagine they must sue the builder personally \u2014 often a small company that has since closed \u2014 and give up when they learn it has been liquidated. French law offers a shorter path: you claim directly against the builder&#8217;s insurer. <a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000017735449\" class=\"kohen-legifrance-popup-link\" data-kohen-legifrance-url=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000017735449\" data-kohen-legifrance-title=\"Texte officiel Legifrance\" target=\"_blank\" rel=\"noopener\">Article L. 124-3 of the Insurance Code<\/a> provides that \u00ab Le tiers l\u00e9s\u00e9 dispose d&#8217;un droit d&#8217;action directe \u00e0 l&#8217;encontre de l&#8217;assureur garantissant la responsabilit\u00e9 civile de la personne responsable. \u00bb (The injured third party has a direct right of action against the insurer covering the civil liability of the person responsible.) You do not need the builder&#8217;s cooperation, and the builder&#8217;s liquidation does not extinguish the insurer&#8217;s obligation for defects that occurred while the policy covered the works. This <em>action directe<\/em> (direct action) is why the insurance certificate demanded in your formal notice matters so much: it identifies the solvent debtor standing behind every insolvent craftsman. Name the insurer as a defendant from the first writ, alongside the builder and its liquidator where one exists, so the judgment is enforceable against the policy.<\/p>\n<p>The direct action also reaches losses many owners assume are excluded, provided the policy wording extends that far \u2014 which is why your lawyer must read the actual policy, not the certificate alone. <a href=\"https:\/\/www.courdecassation.fr\/decision\/61372881cd5801467743162a\">Cass. 3rd civ., 17 April 2013, no. 11-25.340<\/a> quashed a ruling that had thrown out an occupier&#8217;s claim against the builders&#8217; insurer under a combined site policy, holding: \u00ab Qu&#8217;en statuant ainsi, sans rechercher, comme il le lui \u00e9tait demand\u00e9, si l&#8217;extension contractuelle de garantie aux dommages immat\u00e9riels subis par les occupants de la construction, stipul\u00e9e \u00e0 l&#8217;article 50 des conditions g\u00e9n\u00e9rales de la police ne permettait pas \u00e0 la soci\u00e9t\u00e9 CRCB d&#8217;agir directement \u00e0 l&#8217;encontre de l&#8217;assureur pour la r\u00e9paration des pr\u00e9judices immat\u00e9riels cons\u00e9cutifs \u00e0 des d\u00e9sordres de nature d\u00e9cennale qu&#8217;elle invoquait, la cour d&#8217;appel n&#8217;a pas donn\u00e9 de base l\u00e9gale \u00e0 sa d\u00e9cision de ce chef \u00bb (By ruling as it did, without investigating whether the contractual extension of cover to non-material damage suffered by the building&#8217;s occupants did not allow the company to act directly against the insurer for compensation of the non-material losses resulting from the allegedly decennial defects, the court of appeal failed to give its decision a legal basis). Consequential losses \u2014 renting a replacement flat during works, lost rental income, storage costs, the months of disruption \u2014 can therefore be recovered from the insurer where the policy&#8217;s extensions cover them. List every head of loss from the start, with invoices and leases to prove them, because losses first mentioned on appeal arrive too late.<\/p>\n<p>Insurers defend decennial claims with a familiar battery of objections, and each has a standard answer. &#8220;The damage is merely aesthetic&#8221; is met by your expert&#8217;s opinion tying the defect to solidity or fitness for purpose, framed in the language of Article 1792. &#8220;The policy had expired&#8221; is met by checking that the policy covered the worksite opening date, not the claim date: decennial cover attaches to the works, and the relevant question is whether the builder was insured when it built. &#8220;You maintained the property badly&#8221; is met by your maintenance invoices and the officer&#8217;s constat showing the defect&#8217;s structural origin. &#8220;Someone else&#8217;s trade caused it&#8221; is why you sued every potentially liable builder and every identified insurer in a single case, letting the court-appointed expert allocate responsibility among them instead of watching each defendant point at an absent colleague. And &#8220;the ten years have expired&#8221; is met \u2014 hopefully \u2014 by your declaration receipts and your writ, dated before the anniversary. Never accept a bare refusal letter as the end of the story: contest it in writing, point by point, with the expert report attached, and set a deadline before proceedings.<\/p>\n<p>Alongside the liability track, push the works-damage track for cash flow. Once you declare the loss, the DO insurer appoints its own expert, investigates within regulated time limits, and must make an indemnity offer for the repair works covered \u2014 without any debate about who is at fault. That pre-financing is the DO policy&#8217;s entire purpose: you repair now, and the insurer chases the liable builders and their insurers afterwards through subrogation. In practice the DO expert&#8217;s timetable runs several months from declaration to offer, which is another reason to declare at the same time as your formal notice rather than after months of fruitless correspondence with the builder. If the DO insurer denies cover \u2014 arguing, for example, that the damage is not decennial in nature or that no policy was ever subscribed for the works \u2014 that refusal is itself litigated, and your liability action against the builders continues independently. The two tracks are complementary, not alternatives: DO pays for the works quickly, the liability action settles the full account including your consequential losses. Owners who bought from a developer should verify the DO policy reference in the sale deed&#8217;s annexes today, before any dispute, because locating a ten-year-old policy number in an emergency wastes the very months your deadline cannot spare.<\/p>\n<p>One warning specific to foreign buyers of renovated character properties: recent case law has narrowed what counts as a decennial <em>ouvrage<\/em> (structure) for equipment installed in existing buildings, pushing some installer liability back towards ordinary fault-based contractual claims. If your defect concerns a heating system, wiring, or fitted equipment added during a renovation rather than the building fabric itself, tell your lawyer exactly what was installed, when, and under which contract, because the applicable regime \u2014 ten-year strict warranty, two-year proper-functioning guarantee, or ordinary contractual liability \u2014 changes the defendant, the deadline and the proof required. The fabric of the building \u2014 walls, foundations, framework, roofing, waterproofing, embedded networks \u2014 remains the heartland of the ten-year warranty, and that is where most foreign-owner claims live: the cracked facade, the leaking terrace, the subsiding extension, the swimming pool shell that moves.<\/p>\n<h3>B. Take the court route in time: emergency expertise, the merits writ, and Paris practice for owners abroad<\/h3>\n<p>Where insurers and builders do not pay voluntarily, French procedure offers a two-stage court path designed exactly for building defects. The first stage is the <em>r\u00e9f\u00e9r\u00e9 expertise<\/em> (emergency court-ordered expert investigation): within weeks of filing a short application, the president of the <em>tribunal judiciaire<\/em> (the ordinary civil court) appoints an independent expert from the court&#8217;s official list, defines the mission \u2014 describe the damage, determine the causes, identify who built what, cost the repairs, advise on urgent protective works \u2014 and sets a deposit to fund the investigation. The expert then convenes all parties and their insurers on site, sometimes over several meetings across seasons where water ingress must be observed in wet weather, and files a report that usually drives the settlement: once a court expert attributes the leaking terrace to the waterproofing contractor in writing, insurers negotiate seriously. Apply for this measure early, because a full expert investigation commonly takes twelve to eighteen months, and its timetable must fit inside your remaining time before the tenth anniversary. The expert phase informs your case; on its own it does not stop the time bar from running.<\/p>\n<p>The second stage is the writ on the merits \u2014 the <em>assignation au fond<\/em> (summons for full trial) \u2014 served on every defendant before the ten years expire. Name the full circle: the seller-developer, each builder, each decennial insurer, the DO insurer where useful, and the court officer&#8217;s and private expert&#8217;s findings annexed. The writ must plead the decennial basis expressly, invoking Articles 1792 and following, and quantify each head of loss: cost of remedial works including fees and taxes, temporary rehousing or lost rent with supporting leases, movers and storage, and the non-material disruption of a building site imposed on your family or tenants. Plead the biennial guarantee of Article 1792-3 in the alternative for equipment that might fall outside the decennial net, and ordinary contractual liability as a further fallback, so that a defect reclassified by the court does not leave you empty-handed. After the tenth anniversary, a defendant who raises the time bar wins outright \u2014 as the owners learned in the 2025 ruling discussed above, where even the builder&#8217;s return to site in 2012 could not save an action rooted in a 2005 acceptance. File early enough that a bailiff&#8217;s failed first attempt at service still leaves you weeks to spare.<\/p>\n<p>For Paris and \u00cele-de-France properties, three local features deserve attention. First, the competent court is the <em>tribunal judiciaire de Paris<\/em> for property in the capital, with its heavy construction docket and experienced expert roster, or the tribunal of the department where a suburban property sits \u2014 Versailles, Nanterre, Bobigny, Cr\u00e9teil, \u00c9vry, Meaux, Melun, Pontoise or Chartres according to location. Construction cases there move at metropolitan speed, and court experts are accustomed to Haussmannian buildings, post-war concrete, and the clay-shrinkage cracking (<em>retrait-gonflement des argiles<\/em>) that affects whole neighbourhoods south and east of Paris after dry summers: ask your expert to address the soil question explicitly, since Article 1792 covers soil-origin damage but defendants invariably invoke drought orders and natural-disaster compensation schemes to deflect liability onto the homeowner&#8217;s own multi-risk insurer. Second, in <em>copropri\u00e9t\u00e9<\/em> (co-ownership) buildings, facade, roof and structural defects concern the common areas: notify the <em>syndic<\/em> (managing agent) immediately, because the <em>syndicat des copropri\u00e9taires<\/em> (the co-owners&#8217; association) owns the claim for common-area damage and votes enforcement in general meeting, while your private claim covers your flat&#8217;s interior consequences. Coordinate rather than compete: a lone owner suing over the facade while the syndic sues the same builder over the same facade wastes costs and risks contradictory expert findings. Third, Paris tradesmen&#8217;s insurance certificates deserve verification with the named insurer, not just collection: the capital&#8217;s renovation market has seen certificates that lapsed, covered a different activity, or attached to a policy that excluded the very works invoiced. A verification letter to the insurer at the formal-notice stage costs nothing and occasionally reveals, before you sue, that the effective debtor is a different company in the same group.<\/p>\n<p>Living abroad changes the logistics, not the law. Representation before the tribunal judiciaire is through an <em>avocat<\/em> (attorney admitted to a French bar), who receives service, files pleadings electronically, attends the expert meetings \u2014 or sends a local correspondent \u2014 and reports to you in English. Give a complete mandate early: identity documents, title deed, sale file with its technical annexes and diagnostics, the acceptance report if you hold it, all insurance policies including the DO policy, the full correspondence with builders and insurers, leases and management contracts if the property is let, and a single reliable key-holder for site access. Most steps require no travel: expert meetings can sometimes be attended by your lawyer alone with your written observations, and hearings on the merits are pleaded by counsel. What distance forbids is delay \u2014 every document request crosses a border, every signature waits for a time zone \u2014 so start each stage one month earlier than a Paris resident would. Practical guidance on instructing counsel for a French property dispute from abroad is set out in the <a href=\"https:\/\/kohenavocats.fr\/en\/real-estate-law-attorneys-paris-75017\/\">Paris real estate law practice overview for international owners<\/a>, which describes how cross-border files are handled day to day.<\/p>\n<h2>Conclusion<\/h2>\n<p>Cracks, leaks and structural movement after a French purchase are not the end of the story; they are the start of a procedure the law has refined over decades. Find the acceptance date and count ten years forward, test the damage against solidity and fitness for purpose with an expert who understands the certainty rule for evolving defects, freeze the proof with dated records and a court officer&#8217;s report, demand remedy from every builder while extracting their insurance certificates, declare simultaneously to the works-damage insurer for pre-financing and to the liability insurers for the direct action, and file the merits writ before the time bar falls. Each step has its own logic, but they form one chain, and the chain holds only if every link is closed in time. Owners who treat the tenth anniversary as a distant horizon lose; owners who treat year nine as the final boarding call repair, recover, and move on. If water is entering your building this winter, this season \u2014 not next year \u2014 is the moment to start.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cracks or water ingress after buying in France? How foreign owners prove decennial defects, notify insurers and sue before the ten-year time bar.<\/p>\n","protected":false},"author":251031309,"featured_media":4194,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kj_source_type":"","_kj_official_id":"","_kj_official_url":"","_kj_judilibre_id":"","_kj_jur":"","_kj_lieu":"","_kj_chambre":"","_kj_rg":"","_kj_date":"","activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"federated","footnotes":""},"categories":[80314,79307],"tags":[],"class_list":["post-2143557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-decryptage","category-en-real-estate"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Cracks, Leaks and Serious Defects After Buying Property in France: How Foreign Owners Claim Under the Ten-Year Builder Warranty - Ma\u00eetre Reda Kohen, Real Estate and Business Law Attorney in Paris<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kohenavocats.fr\/en\/2026\/10\/09\/france-cracks-leaks-defects-decennale-claim-foreign-owners-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cracks, Leaks and Serious Defects After Buying Property in France: How Foreign Owners Claim Under the Ten-Year Builder Warranty\" \/>\n<meta property=\"og:description\" content=\"Cracks or water ingress after buying in France? 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