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Most lenders in Australia require a deposit of 5% to 20% of the property’s purchase price. In real terms, that could mean anywhere from $25,000 to $200,000 or more, depending on what you’re buying and where. That’s the standard answer. But one important detail often gets missed: buyers typically don’t pay the entire deposit upfront in one lump sum. Instead, part of the deposit is usually paid to secure the property, with the remaining cost paid at settlement. When saving for a deposit, many buyers focus on hitting a target number as quickly as possible. But that’s not the only way to approach it. This guide looks beyond the headline figure. It will help you understand how different deposit strategies work, and how to prepare your deposit in a way that supports your broader financial position.
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H3 How much deposit do you need to buy a house?
The amount you need for a house deposit depends on both the property price and the deposit percentage required by your lender. Here’s what different deposit amounts can look like in practice. Based on the latest Australian Bureau of Statistics data, here’s how mean dwelling prices and typical deposit ranges compare across each state and territory:
Source: Australian Bureau of Statistics, Mean dwelling prices (Dec 2025) In many cases, buyers don’t need to pay the full deposit amount upfront in cash at exchange. Depending on the purchase structure, some buyers use alternatives like deposit bonds, equity or government schemes to help manage upfront costs. In general:
- 5% is often the minimum (usually with Lenders Mortgage Insurance)
- 20% helps you avoid LMI and access more loan options
Keep in mind that the property deposit does not need to be paid all at once. In many cases:
- An upfront deposit of 5% to 10% is provided to the vendor to secure the property.
- The remaining deposit cost is then paid at settlement.
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H4 What many buyers misunderstand about house deposits
Many buyers think they need the full 20% deposit sitting in cash before they can buy. For some buyers, waiting to save a bigger deposit can actually move the goalposts further away. In reality, buyers often use a combination of savings, equity, government schemes and deposit alternatives to secure property sooner. (Infographic placed here if possible with cost/split examples)
H5 The gold standard (and why it’s not always necessary)
A 20% deposit is often seen as the benchmark. It can help you avoid Lenders Mortgage Insurance (LMI) and put you in a stronger position with lenders. But it’s not the only way to buy. In reality, many Australians don’t have 20% sitting in cash. And waiting years to save it can come with its own cost, especially if property prices rise or your circumstances change in the meantime. For many buyers, the smarter question isn’t “How do I get to 20%?” but “What’s the most effective way to move forward based on where I am now?”
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A 20% deposit is often seen as the benchmark. It can help you avoid Lenders Mortgage Insurance (LMI) and put you in a stronger position with lenders. But it’s not the only way to buy. In reality, many Australians don’t have 20% sitting in cash. And waiting years to save it can come with its own cost, especially if property prices rise or your circumstances change in the meantime. For many buyers, the smarter question isn’t “How do I get to 20%?” but “What’s the most effective way to move forward based on where I am now?”
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Lenders Mortgage Insurance (LMI) is a one-off cost that usually applies when your deposit is less than 20% of the property’s value. It’s important to know that LMI protects the lender, not you. If you default on your loan, the lender is covered, but you’re still responsible for the debt. The cost can vary depending on your loan size and deposit, but as a guide, LMI can range from $10,000 to $30,000+. In some cases, it can be added to your loan, but that means paying interest on it over time. While LMI can help you get into the market sooner with a smaller deposit, it’s a cost worth factoring into your overall strategy.
