Bond Affordability Calculator

Estimate the maximum bond you could realistically qualify for, based on your income and existing commitments.

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Car repayments, credit cards, other loans — not day-to-day living costs.

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% of gross income — 30% is a widely-used rule of thumb, not a fixed rule. Your bank's actual affordability assessment considers your full credit profile.

Your estimate

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Frequently asked questions

Where does the 30% figure come from?

It's a commonly-cited rule of thumb used by South African bond originators and banks as a rough starting point — not a law or a guaranteed cutoff. You can adjust it above.

Why does it also look at my existing debt?

Even if 30% of your income technically allows a higher installment, a bank won't approve a bond repayment that pushes your total monthly debt commitments too high. This estimate takes the smaller of the two limits.

Is this a loan pre-approval?

No — it's a rough, illustrative estimate only. Actual approval depends on a full credit and affordability assessment by your bank under the National Credit Act, including your credit score and verified expenses.

Already know your bond amount?

Use the Bond Payoff Calculator to see how extra payments could shorten your term and cut the interest you pay.

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