Mortgage Serviceability Health
Comfortable
0%← Comfortable30%Moderate →40%Stretched →60%+
Complete the inputs to see your serviceability assessment.
Charter Finance Serviceability Benchmarks (% of after-tax income)
Under 30%, Comfortable. Strong capacity to absorb rate rises and build a surplus.
30%-40%, Manageable. Serviceable but limited buffer. Stress-test rate rises.
Over 40%, Stretched. Debt reduction and income growth should be the priority.
Borrowing Capacity Guide , Owner-Occupier Basis
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Assessment Rate (rate + 3%)
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Estimated Max Borrowing
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Your Stated Loan Amount
✓ Your stated loan is within estimated borrowing capacity on an owner-occupier basis.
⚠ Your stated loan amount may exceed estimated borrowing capacity on a standard owner-occupier assessment. Please contact Charter Finance to review your specific position before proceeding, particularly if this involves investment lending, multiple debts or complex income structures.
⚠ DTI above 6.0×. Your total debt-to-income ratio is -. Most lenders scrutinise applications above 6×, and some will decline outright. This doesn't make borrowing impossible, but it will reduce your lender options and may require a more detailed submission. Speak with a Charter Finance credit adviser before proceeding.
Borrowing capacity is estimated using a 3% serviceability buffer above the stated rate, applied to combined after-tax income, net of living expenses, credit card assessments and HECS/HELP repayments. This is a guide only: actual lender assessments vary significantly by lender policy, income type, and debt structure. Contact Charter Finance for a detailed review.
Lump Sum Impact, Before & After
Saving $0/mth
Before lump sum (Years 1-2)
Loan balance,
Monthly repayment,
% of net income,
Monthly surplus,
After lump sum (from Year 3)
Loan balance,
Monthly repayment,
% of net income,
Monthly surplus,
,
Calculates the outstanding P&I balance at Year 2 using the amortisation schedule, applies the lump sum, then re-amortises over the remaining 28 years at the same rate. Assumes the lender formally re-amortises, confirm with your lender before relying on this figure. See the year-by-year table below for the full timeline.