Home Deposit vs Super: Which Comes First?

01 The lock changes everything

The decisive fact is that super is preserved until 60. Everything else in this comparison is secondary to it.

For long-term retirement money the lock costs nothing — you were not going to spend it before 60 anyway, so the 15% contributions tax is a pure gain. For a home deposit you want within a few years, money in super is not merely inconvenient to reach; it cannot be used at all. There is no early-access provision for buying a home outside the First Home Super Saver scheme, and hardship provisions do not cover wanting to buy a house.

That makes the usual framing wrong. This is not a comparison of two returns where one happens to be taxed less. It is a comparison between money that can become a deposit and money that cannot, and a 24c tax advantage on the second category does not make it available.

The practical consequence is that the answer is decided by your timeframe rather than by your marginal rate. Someone buying in two years and someone buying in fifteen should do completely different things with the same salary, and the higher earner is not automatically the one who should be putting more into super.

The usual advice — put more into super, it is taxed less — is given without reference to when the money is needed, and that is what makes it wrong here. A 15% contributions rate on money you cannot access until 60 is not a better deal for a deposit you want in three years; it is a different asset entirely. The tax rate is the wrong question until the timeframe has been answered.

Source: ATO — When you can access your super

02 Worked example: accessible vs locked

Run the same annual saving into an accessible account versus super. Super holds more after the 15% break — but you can't touch it for the deposit. The calculator shows both balances side by side; the point isn't which number is bigger, it's that only one of them can become a home. For a goal inside the next several years, the smaller-but-usable balance is the one that matters.

On the defaults above, the worked example shows: Super holds more after the 15% break, but you can't use it for a deposit before 60 — so for a near-term home, the accessible savings (or FHSS) win.

03 FHSS: how to get both

The First Home Super Saver scheme is the bridge between the two, and it is the only mechanism that gives a first home buyer both the tax treatment and the access.

It lets you make voluntary super contributions — up to $15,000 in any one year and $50,000 in total — at the concessional 15% rate, then withdraw those contributions plus associated earnings to fund a first home deposit. The withdrawal is taxed at your marginal rate less a 30% offset, which for most earners leaves a clear net gain against saving the same money in a bank account taxed at the full marginal rate.

Three details decide whether it works for you. Only voluntary contributions count — employer Super Guarantee is not eligible and cannot be withdrawn, so the scheme sits on top of what your employer already pays rather than redirecting it. You must apply to the ATO for a determination and then a release, which takes time, so it is not a same-week source of funds. And you must not have owned property in Australia before, with limited hardship exceptions.

Used deliberately, it is the highest-return way to save a deposit available to most first home buyers. Used late — starting contributions three months before you want to buy — it does very little, because the cap is annual and the release is not instant.

The First Home Super Saver scheme is commonly assumed to let you withdraw your whole super balance for a deposit, and it does not. Only voluntary contributions you specifically made under the scheme can be released — employer Super Guarantee never can — so someone with a large balance and no voluntary contributions has nothing available to them at all.

Source: ATO — First Home Super Saver scheme

04 Timing: how near is the home?

The right answer scales with your timeframe, and it is worth being specific rather than splitting the difference.

Buying within a year or two: keep deposit savings fully accessible in a high-interest account or an offset, use the First Home Super Saver scheme for the portion you can commit, and put no new money into ordinary super beyond what your employer contributes. Locking money away now to save tax on a goal that arrives before you can reach it is straightforwardly wrong however good the rate is.

Buying in five years or more, or genuinely unsure: a mix makes sense. Build the accessible deposit as the priority, run FHSS contributions alongside it to their annual cap, and let employer contributions do the retirement work. The uncertainty itself argues for accessibility — money you can use for either purpose is worth more than money optimised for one.

Not buying, or buying much later: the lock stops being a cost and super is simply the better-taxed home for long-term savings. At that point the comparison collapses back into the ordinary super-versus-taxable question, and super usually wins it.

The mistake to avoid at every timeframe is optimising the tax rate on money whose timing you have not decided. Decide when you want the house first; the account follows from that.

Source: ASIC Moneysmart — Save for a house deposit

05 Don't forget the buffer and the debt

Before either destination, two things come first, and they are not close calls.

Clear high-interest debt. A credit card at 20% is a guaranteed 20% return, tax-free, available immediately — better than any deposit account, better than super's tax break, and better than any realistic property or share return. Saving a deposit while carrying a card balance is paying 20% to earn 5%, and no amount of discipline elsewhere fixes it.

Then hold an emergency buffer, usually three to six months of expenses, in something you can reach the same day. This is not a competing investment; it is what stops a car repair or a month between jobs from becoming a credit card balance and undoing the first point. Saving a deposit with no buffer is how deposits get spent.

After buying, the mortgage becomes the next decision and it is genuinely closer than this one: extra repayments or the offset against salary sacrifice into super. The offset returns your mortgage rate, guaranteed and tax-free, and stays accessible; super returns the gap between your marginal rate and 15%, plus market returns, and does not. For most people the answer is a split rather than a winner, and it shifts with the interest rate.

The deposit is only the first of three sequential decisions, and each one deserves to be made on its own terms rather than by extending the answer to the last one.

Source: ASIC Moneysmart — Save for a house deposit

06 After the home: super takes over

Once you own a home and hold a buffer, the logic flips back and stays flipped. The deposit goal is met, the preservation lock is no longer a constraint on money you were not going to spend, and super's 15% environment makes it the efficient place for retirement savings — usually via salary sacrifice up to the concessional cap.

Most people run this as a life sequence rather than a single decision: accessible savings while the goal is near, super once it is met. The sequence matters more than the individual choices, because each phase is short and the compounding happens in the last one.

There is one thing worth doing at the moment the switch happens, which almost nobody does: revisit the salary sacrifice amount. A deposit-saving household is usually contributing nothing voluntary, and the transition to homeownership arrives with a mortgage that absorbs the freed-up cash flow entirely unless something deliberate is done. Setting a modest salary sacrifice in the same month the loan settles is the difference between the sequence working and the second phase never starting.

After buying, the next question is not deposit versus super at all — it is extra mortgage repayments versus super, which is a genuinely closer call and turns on your interest rate against your marginal rate.

Source: ASIC Moneysmart — Super contributions

07 Three timeframes, three different answers

The same salary should be handled three different ways depending only on when you want the house.

Read across the middle row: the reason it is a mix is not compromise, it is that FHSS and accessible savings do different jobs and both are needed at that horizon.

Source: ATO — When you can access your super