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🏗️ '''Structural insurance''' — also known as structural defects insurance, inherent defects insurance (IDI), or latent defects insurance — is a long-tail [[Definition:Property insurance | property insurance]] product that covers the cost of repairing or rebuilding a structure if it suffers damage arising from defects in its design, materials, or construction. Within the insurance industry, this product occupies a distinctive niche at the intersection of [[Definition:Construction insurance | construction risk]] and long-duration [[Definition:Warranty | warranty]]-style coverage, with policies commonly running for ten years or more from the completion of a building. The concept has deep roots in French law, where the ''assurance décennale'' (ten-year liability insurance) is a statutory obligation for builders under the Civil Code, and it has since been adopted — in varying forms — across Continental Europe, the Middle East, parts of Asia, and increasingly in the United Kingdom and other common-law jurisdictions.

🔍 Coverage is typically triggered when a structural element — foundations, load-bearing walls, roofing, or waterproofing — fails due to an inherent defect, causing physical damage to the building. Unlike traditional [[Definition:Professional indemnity insurance | professional indemnity]] or [[Definition:Contractor's liability insurance | contractor's liability]] policies that respond based on negligence by a named party, structural insurance is a first-party product: it pays the building owner directly, without requiring the owner to prove fault or pursue the original contractor or designer — many of whom may have dissolved or become insolvent over the policy's long duration. [[Definition:Underwriting | Underwriters]] mitigate risk by requiring an independent [[Definition:Technical due diligence | technical audit]] of the design and construction process before the policy incepts, often conducted by an approved [[Definition:Technical control body | technical control body]] (in France, the ''contrôle technique'' is mandatory). This pre-inception risk assessment is central to the product's economics: it reduces claims frequency by catching defects during construction rather than after occupancy, and it provides the [[Definition:Underwriter | underwriter]] with a detailed risk profile on which to base pricing and [[Definition:Policy terms and conditions | terms]].

🌐 Structural insurance carries significant weight for the insurance industry because it creates long-duration liabilities that demand careful [[Definition:Insurance reserves | reserving]], sophisticated [[Definition:Actuarial analysis | actuarial analysis]], and robust [[Definition:Reinsurance | reinsurance]] support. A ten-year policy written today will generate potential claims exposure well into the next decade, requiring the carrier to maintain adequate [[Definition:Technical provisions | technical provisions]] under [[Definition:Solvency II | Solvency II]], [[Definition:IFRS 17 | IFRS 17]], or the applicable local reserving standard. For developers, investors, and lenders, the product serves as a critical risk transfer mechanism that facilitates real estate transactions — banks financing large construction projects increasingly require structural insurance as a condition of lending, and property buyers treat it as a quality signal. In markets where the product is emerging rather than mandated, such as the UK (where IDI has grown substantially since the Grenfell Tower tragedy heightened awareness of building defect risks) and the Gulf states (where rapid construction activity demands long-tail protection), structural insurance represents a meaningful growth opportunity for specialist [[Definition:Insurance carrier | carriers]] and [[Definition:Managing general agent (MGA) | MGAs]] with the technical expertise to underwrite it.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Construction insurance]]
* [[Definition:Inherent defects insurance (IDI)]]
* [[Definition:Professional indemnity insurance]]
* [[Definition:Latent defect]]
* [[Definition:Decennial liability insurance]]
* [[Definition:Technical control body]]
{{Div col end}}

Definition:Structural insurance - Revision history

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