Technical Resource Centre
Mortgage & Lending
Plain-English technical explanations of how Australian home lending works: serviceability assessment, lenders mortgage insurance, comparison rates and loan structures. General information only — lender policies vary, and nothing here is credit advice.
In this collection
5 resources each dated and sourced
Every lending resource states the period it applies to, links the official sources behind its figures, and records when those sources were last verified.
Fixed vs variable home loan rates: a decision framework
A decision framework for choosing between fixed, variable and split home loan structures — the certainty-versus-flexibility trade-off, how break costs work and how the law constrains them, and the questions worth weighing before you commit.
Verified 12 July 20268 min read
Home loan documents for PAYG employees: the application checklist
A working checklist of the documents PAYG (salaried) employees typically assemble for a home loan application — identity, income, deposit, liabilities and living expenses — and the responsible lending rules that explain why lenders ask for them.
Verified 12 July 20267 min read
How lenders assess home loan serviceability
How Australian lenders decide how much you can borrow — the APRA serviceability buffer, income shading, living-expense benchmarks, credit limits and HELP debt, plus the debt-to-income limits that took effect in February 2026.
Verified 12 July 20269 min read
Lenders mortgage insurance (LMI) explained
A plain-English explainer on lenders mortgage insurance — who the policy actually protects, when it typically applies, how the one-off premium can be paid, what happens when you refinance, and the pathways some buyers use to reduce or avoid it.
Verified 12 July 20267 min read
What a comparison rate actually tells you (and what it doesn’t)
A plain-English explainer on the comparison rate — the legislated single-figure cost measure a credit advertisement must generally carry whenever it states an interest rate. What goes into it, what it excludes by law, why it is calculated on a standardised example, and how to use it without being misled.
Verified 12 July 20267 min read
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