Borrowing capacity is the maximum amount a lender calculates you could theoretically borrow based on your income, expenses, debts and the lender's own serviceability rules. It is a useful starting indicator, but it is not a guarantee and it can change quickly if your circumstances or the lender's policies shift.
Pre-approval, sometimes called conditional approval, is a more formal step where the lender reviews your actual financial documents and confirms a loan amount you are likely to be approved for, subject to conditions such as a satisfactory property valuation. It carries more weight with agents and sellers because it shows genuine, verified intent rather than a rough estimate.
Many buyers assume their borrowing capacity figure is the amount they can safely spend on a property, without realising the bank may still assess the specific property, your ongoing circumstances, and other conditions before final approval. Relying only on the capacity figure can lead to disappointment if the pre-approval process uncovers a lower actual limit.
It is also worth understanding that pre-approval usually has a time limit, often around three to six months, after which your financial position needs to be reassessed. If your search takes longer than expected, renewing pre-approval before you make an offer avoids a last-minute scramble.
Getting formal pre-approval before you start seriously inspecting properties gives you a realistic, documented budget and strengthens your position when negotiating, since sellers and agents take an offer backed by pre-approval far more seriously than one based on an informal borrowing capacity estimate.
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