CLAIMS & POLICY MECHANICS
Underinsurance definition
Underinsurance is a situation where the insured value is lower than the actual value at risk, which can reduce claim payments.
In practice, this means a term used to describe situations in which the amount of insurance cover purchased is less than the full value of the insured risk. This ‘underinsurance’ results in the insured paying a lower premium than ought to be paid and receiving a lower payout for claims than the true value of the loss. This term gives insurers, brokers, reinsurers and risk managers a common way to discuss the concept when reviewing policies, claims, regulation or market data.
This term is especially useful in property insurance, commercial insurance and claims assessment. It helps determine how much the insurer may pay and how much risk remains with the insured. It also helps users compare how insurance is structured, regulated, priced or claimed across different markets.
Underinsurance is closely related to sum insured, average, deductible and property insurance. Linking these concepts together helps build a clearer glossary structure and gives readers a stronger understanding of how individual insurance terms connect within wider international insurance practice.
At a glance
- Used in
- Property insurance, commercial insurance and claims assessment.
- Purpose
- Helps determine how much the insurer may pay and how much risk remains with the insured.
- Important because
- Small differences in policy limits, values and retained amounts can materially affect claim outcomes.
- Related terms
- sum insured, average, deductible and property insurance.
Example of underinsurance in insurance
A business insures a warehouse for less than its true rebuild cost. If a partial loss occurs, underinsurance may reduce the claim payment.