Deposit protection is widely known to exist and rarely understood in detail. The limit is only one part of it; how the limit is applied determines what is actually protected.
The unit of protection is depositor and institution
Coverage applies per depositor per licensed institution, not per account. Holding several accounts at the same bank does not multiply the protection available.
Splitting money across two banks generally doubles coverage, which is the standard method for protecting balances above the limit.
The complication is that separate brands frequently share a single licence. Two apparently different banks can be one institution for protection purposes, leaving a saver with one limit rather than two.
Joint accounts and entities are treated separately
A joint account is usually treated as belonging to its holders in equal shares, so each holder's portion counts toward their own individual limit.
That effectively increases household coverage at a single institution, since two people each hold protected shares alongside any sole accounts they maintain.
Balances held by a business, trust or estate are typically treated as belonging to that entity rather than to the individuals behind it, which creates a separate limit with its own rules.
What falls outside the scheme
Protection covers deposits, meaning money the institution owes back as a balance. Investments held through the same institution are not deposits and are not covered by the same scheme.
Funds held with a payment firm that is not a licensed bank sit outside deposit protection entirely, even where the money is safeguarded in a separate account under different rules.
Foreign currency held on deposit is often covered, but the compensation is calculated in the domestic currency, so the amount recovered depends on the exchange rate at the relevant date.
Temporary high balances have special treatment
Many schemes provide higher cover for a limited period where a large balance arises from a defined life event such as a property sale or an inheritance.
The protection lasts only a few months and requires the source to be evidenced, so it is a bridge rather than a permanent extension of the limit.
Because both the qualifying events and the window vary by jurisdiction, anyone holding an unusually large balance temporarily should check the specific rules that apply to them.
How payout actually works
Modern schemes aim to repay automatically within days, using the failed institution's records rather than requiring depositors to submit claims.
Balances are usually netted against debts owed to the same institution, so a depositor with a loan there may receive less than their gross balance suggests.
Anything above the limit becomes a claim in the insolvency, which may eventually recover something but on a timescale measured in years rather than days.