Most lenders will ask for proof of identity, income evidence such as recent payslips or tax returns, bank statements, details of existing debts, and information about the property you are buying or refinancing. If you are self-employed, receive bonus or commission income, or hold assets through a trust or company, extra documents are usually required. Preparing complete and consistent documents upfront helps reduce lender follow-up requests and can improve assessment speed.

Timing depends on the lender, the quality of your application, valuation turnaround, and whether additional documents are requested. In straightforward cases, pre-approval may be issued within a few business days, while full approval can take one to several weeks. More complex applications, including self-employed income, multiple borrowers, or non-standard properties, usually take longer because the lender needs more detailed verification.

Many borrowers aim for a 20% deposit because this can help avoid lender's mortgage insurance (LMI), but some lenders will consider lower deposits depending on your profile and the product. A smaller deposit is possible in some cases, especially for eligible first home buyers using government support schemes, but approval conditions can be stricter and total costs may be higher. The right deposit level depends on your cash position, borrowing capacity, and whether keeping extra savings for buffers and upfront costs is more important than reducing the loan-to-value ratio.

A lower credit score does not always mean automatic decline, but it can affect which lenders are available, how much you can borrow, and what pricing or conditions apply. Lenders usually look beyond the score itself and consider the reason for missed payments, how recent they were, whether debts are now up to date, and how stable your current financial position is. If there have been prior credit issues, presenting a clear explanation and stronger supporting documents can make a meaningful difference.

A fixed rate gives you repayment certainty for a set period, which can make budgeting easier, but it often comes with limits on extra repayments, redraw flexibility, or break costs if you exit early. A variable rate can move up or down with market conditions and may offer more flexible features such as offset accounts, redraw, or unlimited extra repayments. Some borrowers also choose a split loan so they can keep part of the balance fixed for certainty and part variable for flexibility.

It depends on the product features and whether your loan is fixed or variable. Variable loans commonly allow extra repayments and may also include redraw or offset features, while fixed loans often cap how much extra you can repay each year and may charge break or early repayment costs if limits are exceeded. Before choosing a loan, it is worth checking whether flexibility features matter to you, especially if you expect bonuses, irregular income, or faster debt reduction.

Borrowing capacity is usually based on your income, existing debts, living expenses, number of dependants, loan term, and the lender's assessment rate. In Australia, lenders generally assess home loans using a buffer above the actual interest rate, following APRA guidance, which means the bank tests whether you could still afford repayments if rates rise. Credit card limits, personal loans, HECS or HELP debts, and buy-now-pay-later commitments can all reduce borrowing power even if the balances are low.

Pre-approval is an indication that a lender is willing to consider lending to you based on the information reviewed so far, but it is not the same as unconditional approval. It is usually still subject to checks such as valuation, final document review, confirmation of employment and liabilities, and the lender's full credit assessment. Because circumstances can change between pre-approval and purchase, it should be treated as helpful guidance rather than a guarantee.

Eligible first home buyers may be able to use the First Home Super Saver scheme to withdraw certain voluntary super contributions, subject to ATO rules and release limits. This can help with building a deposit, but it does not replace the need to satisfy normal lender servicing and approval requirements. Whether this strategy suits you depends on timing, contribution history, and your overall cash-flow plan.

If you think you may struggle with repayments, contact your lender as early as possible rather than waiting until you miss multiple payments. Many lenders have hardship support processes that may include short-term repayment changes or other assistance, depending on your circumstances. Acting early usually gives you more options and may help reduce credit damage, legal escalation, and avoidable fees.