What are the 7 fundamentals of insurance?

The 7 Fundamentals of Insurance Every Policyholder Should Know

Insurance isn’t just about paying premiums and filing claims—it’s built on a foundation of core principles that ensure fairness, trust, and clarity between insurer and insured. These seven fundamentals guide how policies are written, interpreted, and enforced.

Insurable interest is the starting point: you must have a legitimate financial stake in the person or property being insured. You can’t insure a stranger’s car, for example, because you wouldn’t suffer a direct loss if it were damaged.

At the heart of every policy lies utmost good faith—a mutual promise to be honest. This means disclosing all relevant facts when applying for coverage. Hiding a prior claim or downplaying a risk can void the contract.

Proximate cause determines whether a loss is covered. If a house fire follows a lightning strike, the cause is clear. But if damage results from a chain of events, insurers look for the most direct, dominant cause to decide responsibility.

The principle of indemnity ensures you’re compensated fairly—but not enriched. Insurance aims to restore you to your pre-loss state, not turn misfortune into profit. This leads naturally to subrogation, allowing insurers to pursue third parties responsible for a loss. If another driver totals your car, your insurer pays you first, then seeks reimbursement from their insurer.

Contribution kicks in when multiple policies cover the same risk. Rather than let you collect double, insurers share the cost, avoiding windfalls.

Finally, loss minimisation reminds policyholders they must act to reduce damage when possible—like calling a plumber after a burst pipe. Failing to act could jeopardize your claim.

These principles aren’t just fine print—they’re the backbone of a system built on trust, fairness, and shared responsibility.