Business insurance. Personal attention.

Insurance, explained

Pro rata premium

Pro rata premium is a charge or calculation based on a proportion of a full premium, commonly reflecting part of an insurance period. The policy determines when that method applies.

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BAU Risk Services — insurance brokerage

01 / The meaning

What it means.

For example, adding an asset halfway through an annual term may involve a charge for the remaining period. The calculation can use actual days or another stated basis. Pro rata does not mean the insurer must always divide the original premium neatly by months: changed risk, minimum premiums, different rates and separate charges can affect the result.

The expression is also used when discussing cancellation refunds, but a time-proportional refund is not universal. A minimum retained premium, short-rate scale, broker fees or premium funding balance may change what the business receives or still owes. Ask for the full calculation and identify the effective change date before using an expected refund in a cash-flow forecast.

02 / Put it in context

A practical example.

Hypothetical example

Hypothetical example: A simplified quotation uses a $1,200 annual charge and three months of cover, producing $300 on a monthly pro rata basis before other charges. An actual insurer may use daily calculations or minimum terms, so the illustration is not a binding quotation.

This example illustrates the term. It does not predict a claim outcome.

03 / Read the detail

What to check.

04 / Start a useful conversation

A question for your broker.

Which premium amount and time period are being used in this calculation?

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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