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What affects loan repayments?

A loan repayment is affected by the amount borrowed, interest rate, number of payments and any fees included in the agreement.

Educational guideReviewed: 28 September 2026

Loan amount

Borrowing more increases the principal that must be repaid. With the same rate and term, a larger principal generally produces a larger scheduled payment.

Interest rate

A higher rate increases the interest charged on an outstanding balance in a standard amortising model.

Loan term

A longer term spreads repayment over more periods. That can lower the scheduled payment while increasing total interest in a simple fixed-rate model.

Fees

Monthly or once-off fees can increase the total amount paid even when the principal, rate and term stay the same.

Source and review note

Time-sensitive rules should be checked against the current official source and the applicable date. This page is intended as general educational information.

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