01 / The meaning
What it means.
The wording determines which losses count towards the aggregate and how any per-claim deductible interacts with it. Some arrangements require the insured to fund qualifying losses up to a combined threshold; others use an aggregate cap on particular deductibles. These mechanisms are not identical, so the label alone cannot establish when the insurer begins contributing or whether individual excesses continue.
The accumulation rules matter as much as the stated amount. Check whether defence expenses, uninsured losses and amounts below a per-claim threshold count, and whether the calculation uses losses incurred, agreed or actually paid. Keep an accurate ledger with supporting documents and confirm when the period resets. Do not confuse an aggregate deductible with an aggregate limit, which concerns the insurer’s maximum liability rather than the insured’s retained share.
02 / Put it in context
A practical example.
Hypothetical example: a business has several equipment losses under an aggregate arrangement. It submits a dated loss ledger and asks which costs count towards the threshold, instead of assuming every repair invoice automatically reduces the remaining deductible.
This example illustrates the term. It does not predict a claim outcome.
03 / Read the detail
What to check.
- Identify the covered losses and expense categories that count towards accumulation.
- Check interaction with per-claim excesses and any maximum retained amount.
- Confirm the accounting basis, evidence requirements and date the aggregate resets.
04 / Start a useful conversation
A question for your broker.
How do qualifying losses accumulate under this deductible, and which individual excesses or retained costs still apply?
05 / Connect the terms
Keep the meaning in context.
06 / Apply it to your business
Related insurance guides.
Further reading
Read the source guidance alongside the relevant policy wording.
General information only. This does not take into account your objectives, financial situation or needs. Before acting, consider whether the information is appropriate for you. Cover is subject to insurer acceptance and the policy terms, conditions, limits and exclusions. Read the Financial Services Guide and the relevant PDS (where applicable) and/or policy wording before deciding.
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