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🏢 '''Increased cost of construction''' is a [[Definition:Property insurance | property insurance]] provision that covers the additional expense incurred when a damaged building must be rebuilt or repaired to comply with current building codes, zoning laws, or other regulatory requirements that were not in effect when the structure was originally built. Standard property policies typically indemnify the insured based on the cost to restore the building to its pre-loss condition, but this can leave a significant gap when local authorities require upgraded materials, structural standards, fire protection systems, or accessibility features as a condition of granting a rebuilding permit. Increased cost of construction coverage — sometimes referred to as ordinance or law coverage, or building code upgrade coverage — fills that gap, ensuring the policyholder is not left bearing the financial burden of regulatory compliance after a covered loss.

⚙️ Policies that address this exposure generally operate as an endorsement or sublimit within a broader [[Definition:Commercial property insurance | commercial property]] or [[Definition:Homeowners insurance | homeowners]] policy, though some markets bundle it into all-risk forms. The coverage typically responds in three scenarios: the increased cost to rebuild the damaged portion of the building to current code, the cost to demolish and clear undamaged portions that must be torn down because they no longer comply with current regulations, and the loss of value associated with any undamaged portion of the building that local ordinance requires to be demolished. [[Definition:Underwriter | Underwriters]] evaluate the age and construction type of insured buildings to assess the likely gap between original construction standards and current code requirements — older buildings in jurisdictions with rapidly evolving seismic, wind, or energy efficiency codes tend to present the highest exposure. [[Definition:Loss adjuster (loss adjuster/claims adjuster) | Loss adjusters]] play a key role in quantifying these costs, working alongside engineers and local planning authorities to determine the precise regulatory obligations triggered by the damage.

📐 The practical importance of this coverage has grown substantially as building codes have become more stringent worldwide. After events like [[Definition:Hurricane | hurricanes]] in the southeastern United States, earthquakes in Japan and New Zealand, or major fires in Australia, policyholders have discovered that rebuilding to modern standards costs far more than restoring the original structure, sometimes by margins of 20–50 percent or more. Without explicit increased cost of construction coverage, these additional expenses fall squarely on the policyholder, turning what should be a fully indemnified loss into a major out-of-pocket burden. In the [[Definition:Reinsurance | reinsurance]] context, the peril contributes to loss amplification after catastrophic events, as widespread code-driven cost inflation increases aggregate insured losses beyond what pure physical damage models predict. [[Definition:Broker | Brokers]] and [[Definition:Risk manager | risk managers]] increasingly treat this coverage as essential rather than optional, particularly for portfolios containing aging commercial or municipal infrastructure.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Reinstatement cost]]
* [[Definition:Ordinance or law coverage]]
* [[Definition:Property insurance]]
* [[Definition:Sum insured]]
* [[Definition:Indemnity]]
* [[Definition:Building code]]
{{Div col end}}

Definition:Increased cost of construction - Revision history

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