Excess, sums insured and exclusions: the terms that decide a claim
The words in a policy document decide what gets paid and what does not, and a claim is a bad time to be reading them for the first time.
Insurance is one of the few things people buy without reading, renew without rereading, and then have to understand perfectly on the worst day of their year. A claim is a reading comprehension exercise conducted under stress, usually while standing in a wet hallway or on the shoulder of a road.
The vocabulary below is what actually determines the outcome. The words differ from country to country and sometimes between insurers in the same market, but the mechanics underneath are the same nearly everywhere, and none of them are complicated once someone says them plainly.
The part you pay before the policy pays anything
Excess, or deductible
This is the amount taken off every settlement. Claim for something and the insurer pays what it owes minus this figure. Its real purpose is to keep small claims out of the system, which is why a policy with a large one costs less: you have agreed to handle the small stuff yourself.
It usually comes in two parts. One is compulsory and set by the insurer based on the risk, and you cannot change it. The other is voluntary, chosen by you, and it is the lever people pull to bring a premium down. That lever is only worth pulling if you could actually pay the whole amount on a bad day without borrowing to do it. Trading a certain small saving now for an uncertain large bill later is a real trade, not a free one.
Two details catch people out. It typically applies per claim, not per year, so three unlucky events mean three deductions. And some policies carry separate, higher amounts for particular causes: a different figure for water damage, or for a specific kind of loss, buried in the schedule rather than announced anywhere.
The number that decides whether you are covered at all
Sum insured
The ceiling on what the policy will ever pay. Simple enough, except that people set it from the wrong number. For a building, what matters is what it would cost to rebuild it as it stands today, including labor, materials and the cost of clearing what is left. That is a different figure from what the property would sell for, and in either direction: land value is in the sale price and not in the rebuild, while the awkwardness of rebuilding one house on one site is in the rebuild and not in the sale price.
For contents, the equivalent test is what it would cost to replace everything at once, at today's prices, which almost nobody guesses correctly. The usual method is to walk each room and total it honestly, and the usual result is a number well above the estimate you would have given from the sofa.
Underinsurance and the averaging clause
This is the mechanic that surprises people most, and it is worth checking for in your own document. Many policies contain a clause saying that if the sum insured is materially below the true value, a partial claim is reduced in the same proportion. Insure a home for half what it is worth and a modest kitchen fire may be settled at half, even though the loss was nowhere near the ceiling you set.
The lesson is that setting the sum insured low to save on premium is not a mild economy. It quietly changes the deal on every claim you might ever make, not just the catastrophic one.
Single-item limits
Contents cover almost always caps what it will pay for any one thing, regardless of how large the overall sum insured is. This is where bicycles, laptops, instruments, cameras and one particular ring end up uncovered in a policy that looks generous on the front page. Anything above the cap has to be listed specifically, by name, usually for an extra amount and sometimes with a valuation.
What replacement actually means
New for old, or indemnity
Two policies can both promise to replace a seven-year-old television and mean entirely different things. New-for-old settles at the cost of an equivalent new one. Indemnity, sometimes called actual cash value, settles at what the old one was worth immediately before it was destroyed, which for a seven-year-old television is not much. Neither is wrong. They are different products at different prices, and which one you hold is written on your schedule.
The parts that decide when nothing gets paid
Exclusions
The list of what is carved out. The one that accounts for the most disappointed claimants is wear and tear. Insurance is built around sudden, accidental, unexpected events. A roof that failed gradually over eleven winters did not suffer an event; it reached the end of its life, and that is maintenance, not a claim. The same logic applies to a slow leak, a worn seal, or anything described in the assessor's report with the word gradual.
Conditions
Things you have to do for the cover to hold up. Locks actually locked, an alarm actually set, a limit on how long a property can stand empty, telling the insurer when something changes, and reporting an incident within a stated window. A breached condition can sink a claim for an event that was otherwise perfectly well covered, which is a maddening way to lose an argument.
Reading your own policy in twenty minutes
- Find the schedule, the personalized page with your name and your numbers on it. Where it differs from the general booklet, it wins.
- Write down four figures: sum insured, each excess, the single-item limit, and the basis of settlement.
- Read the exclusions section and nothing else. It is shorter than the rest and it is where the surprises are.
- Read the section headed conditions or your responsibilities, and note anything you are not currently doing.
- Check the clauses about unoccupied property and about cover away from home, which are the two that most often do not work the way people assume.
- Write the renewal date somewhere you will see it, and list anything you thought was covered and now know is not.
Where the answer genuinely turns on your circumstances, working from home, unusual construction, high-value items, anything with a business attached, that is the point to pay a qualified broker or adviser for an hour of their time. No article can do that part.
The habit worth keeping is rereading the schedule each renewal rather than clicking through it. The side that changes silently is usually yours. You bought the bike, you started running a business from the spare room, the neighbor built something, the kitchen got expensive. The policy did not notice any of that, and it will not, until you tell it.