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PROPERTY

Bond Affordability Calculator

Explore an illustrative home-loan amount using income, existing debt, a deposit and a repayment percentage you choose.

Free browser-based calculatorPlanning estimate only

Affordability assumptions

R
Use gross monthly household income for your scenario.
R
Include other monthly debt repayments.
%
Your chosen planning assumption.
%
Use the rate you want to model.
240 months equals 20 years.
R
Optional cash contribution.
ILLUSTRATIVE MAX PAYMENT
—
From your chosen income ratio
ESTIMATED BOND AMOUNT
—
Mathematical estimate
ESTIMATED PROPERTY AMOUNT
—
Bond + deposit
This is an illustrative planning model and not a bank's affordability assessment.

How the estimate works

The model starts with the income and repayment percentage you enter, subtracts existing monthly debt and converts the remaining payment into an estimated loan amount using the selected rate and term. Your deposit is then added to show an illustrative property amount.

Important limitation

Banks and other lenders use their own affordability, credit, income, expense and policy assessments. The result here should not be treated as approval, a guarantee or personalised financial advice.

Transparent assumption

The payment percentage is explicitly user-entered so ToolZeroo does not hide or imply a lender-specific affordability rule.

Frequently asked questions

What is bond affordability?

It is an estimate of the bond amount that fits the assumptions entered, including income, existing debt, payment ratio, rate and term.

Is the result a bank affordability assessment?

No. Banks use their own affordability and credit criteria, so the result can differ.

Does a deposit increase the estimated property amount?

In this calculator the deposit is added to the illustrative bond amount to show a scenario property amount.