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Glossary

Prepaid interest

Prepaid interest is set aside from the loan at settlement, so there are no interest payments during the term. How it's sized and what to check.

Updated 11 October 2026 · Secured Business Finance editorial team

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Quick answer

Prepaid interest is interest for an agreed period, often the whole loan term, that is worked out in advance and paid at settlement, usually by deducting it from the loan advance. The borrower makes no interest payments during that period and repays the principal and any costs at the exit. It gives certainty about the interest cost from day one, but means borrowing more to receive the same cash in hand.

Key points

  • Interest for the period is settled up front, usually out of the advance
  • No interest payments during the prepaid period
  • You borrow more to net the same cash, but the payout is fixed
  • Check what happens to unused prepaid interest if you repay early
Paid
At settlement, from the advance
During the term
No interest payments
Alternative
Capitalised interest

Prepaid interest settles the interest question on day one. Instead of paying interest each month, or letting it build on the balance, the interest for an agreed period is worked out at the start and taken care of at settlement. For the rest of that period, there’s nothing to pay.

How does prepaid interest work on a secured business loan?

  1. Agree the prepaid period. Often the full term, sometimes the first part of it.
  2. Size the loan. The lender works out the interest for that period and adds it to the cash you need, so the loan amount covers both.
  3. Settle. The prepaid interest is deducted from the advance, alongside fees and costs. You receive the net amount.
  4. Run the term. No interest payments for the prepaid period.
  5. Exit. You repay the principal plus any costs in the agreement. Because the interest was dealt with up front, the payout figure doesn’t grow during the prepaid period.

How does it compare with the alternatives?

Feature Prepaid interest Capitalised interest Paid monthly
Interest payments during the term None for the prepaid period None Every month
Cash received at settlement Advance less costs and prepaid interest Advance less costs Advance less costs
Payout at the exit Principal and costs Principal, capitalised interest and costs Principal and costs
Certainty of interest cost High, fixed at settlement Depends on how long the loan runs Depends on how long the loan runs
Early repayment Check the contract on unused interest Interest stops building Interest stops

Both prepaid and capitalised interest remove monthly payments. The prepaid or capitalised interest page explains when each tends to suit.

Why does prepaid interest matter to a borrower?

Certainty. You know the interest cost for the prepaid period before you sign, which makes budgeting the exit straightforward. The payout won’t creep up while you wait for a sale or a refinance.

No payments to miss. There’s no monthly debit for a slow trading month to upset, which removes one common path into default interest.

It suits a known finish line. Prepaid interest works best when the exit date is reasonably firm, such as a contract payment, a settlement already booked or a refinance with a clear timetable. If the timing is genuinely uncertain, capitalising the interest may fit better, because you only carry interest for the time the money is actually out.

The catch is size. Because the interest comes out of the advance, the loan has to be bigger than the cash you need, and the lender needs equity to cover the larger amount. The early repayment question matters too: if your exit could arrive early, find out in advance whether unused prepaid interest is credited back.

What does the ATO say about prepaid expenses?

The ATO defines a prepaid expense as expenditure incurred under an agreement for something to be done, in whole or part, in a later income year. For small business entities, the ATO’s 12-month rule allows an immediate deduction for a qualifying prepayment where the eligible service period is 12 months or less and ends by the last day of the following income year; otherwise the deduction is spread over the period. Separately, the ATO lists interest on money borrowed for producing assessable income among deductible operating expenses.

How these apply to your loan depends on your structure and the purpose of the borrowing, so speak to your accountant before settlement. Our guide on whether business loan interest is tax deductible covers the basics.

Illustrative example: a Wollongong electrical contractor needs $300k in hand for 12 months to fund equipment for a large commercial contract, secured on an investment property. Interest for the year is prepaid; assume, for illustration only, that it comes to $36k. The loan is set at about $336k plus costs, the contractor receives roughly $300k at settlement, makes no interest payments, and repays about $336k plus costs when the contract’s final claim is paid.

The rest are in the glossary. When you’re ready, ask whether prepaid interest suits your deal.

Would a loan with no interest payments help?

Tell us how much you need in hand, the property you’d offer, what’s owing on it and when your repayment will arrive. There’s no credit check to enquire, your details go to one direct lender rather than a broadcast list, and a real specialist reviews each enquiry. Accurate answers mean the prepaid period and loan size are set right first time. Find out if you qualify.

Frequently asked questions

Do I have to find the prepaid interest in cash?

Usually not. It's normally deducted from the loan advance at settlement, so the loan is larger than the cash you receive. The settlement statement shows the deduction line by line.

What happens to prepaid interest if I repay the loan early?

That depends entirely on the loan agreement. Some contracts credit unused prepaid interest back on early repayment, others treat it as earned. Ask the question before you sign and make sure the answer is in the Letter of Offer.

Can I prepay interest for only part of the term?

Often, yes. Interest can be prepaid for an initial period and then paid or capitalised after that. The structure is arranged per deal around when your money is expected to arrive.

Is prepaid interest tax deductible in the year I pay it?

It depends on your circumstances. The ATO's prepaid expense rules, including the 12-month rule for small business entities, govern when a deductible prepayment can be claimed. Your accountant can tell you how they apply to your loan.

What if my loan is extended after the prepaid period ends?

Interest for the extra time is arranged as part of the extension, either prepaid again, capitalised or paid as it falls due. The terms are set out in writing when the extension is agreed.

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