For many South Australians, the family home is the single largest asset they will ever own – and, for a long time, one of the biggest costs standing between an older owner and a more manageable place to live was stamp duty. That has just changed.
From 25 March 2026, South Australia introduced a stamp duty relief scheme for eligible downsizers aged 60 and over. For those who qualify, it can mean the difference of tens of thousands of dollars – up to around $103,830 on a qualifying purchase. If a move has been on your mind, it is worth understanding exactly how the scheme works before you sign anything.
What the New Scheme Does
In simple terms, the scheme removes (or reduces) the transfer duty – commonly called stamp duty – payable when an eligible person aged 60 or over sells their long-time home and downsizes into a newly built replacement property.
The relief is aimed squarely at freeing up established housing stock and encouraging new construction, so it does not apply to just any purchase. To qualify, the replacement property generally needs to be a newly built home, a brand-new (off-the-plan) apartment, or vacant land on which you intend to build your new principal place of residence. Established, previously-occupied homes are not covered. This mirrors the approach South Australia already takes with its first home buyer relief: the incentives are tied to new housing.
Who Is Eligible
While the detail sits with RevenueSA, the core eligibility conditions are that you (or at least one applicant on the contract) are aged 60 or over; that you are downsizing – selling, or having sold, your eligible principal place of residence and moving to a replacement property on a smaller land size than your existing home; that the replacement property is a new build, off-the-plan apartment, or vacant land to build on, and will become your principal place of residence; and that you entered into an eligible contract on or after 25 March 2026.
The "smaller land size" test is an important and easily-overlooked condition. Downsizing here is measured against land area – so a move from a large suburban block into a modern home on a comparable or larger parcel may not qualify, even if the new home is smaller inside.
The Value Caps
The relief is not unlimited. For newly built homes and off-the-plan apartments, full relief is available where the dutiable value is $2 million or less, with partial relief above that and below $2.1 million. For vacant land, full relief applies up to $1.2 million, with partial relief above that and below $1.3 million.
For most South Australian downsizers these thresholds are generous, but they matter at the top end of the market and for premium off-the-plan apartments, where a small difference in dutiable value can move you from full relief into the partial-relief band – or out altogether.
Not Over 60? The First Home Buyer Exemption Still Stands
The downsizer scheme sits alongside South Australia's existing first home buyer stamp duty exemption. Since June 2024, eligible first home buyers purchasing or building a new home have paid no stamp duty, with the previous property value cap removed – and many can also access the $15,000 First Home Owner Grant on the same new-build purchase.
The common thread is deliberate: whether you are buying your first home or your last, South Australia's stamp duty relief is now firmly pointed at new construction. Established homes remain fully dutiable.
The Conveyancing Traps to Watch
The savings are real, but so are the conditions – and stamp duty relief is one of those areas where a small mistake at contract stage can quietly cost you the entire benefit. Eligibility hinges on when you enter into the contract, not when you settle, so getting the sequence and dates right between selling your existing home and committing to the new one is critical. The relief also assumes you will actually live in the property, so investment purchases, or arrangements where the property is held for someone else, can fall outside the scheme. As noted above, "downsizing" is tested on land area, and only qualifying new-build categories are eligible – off-the-plan contracts in particular need careful review. Where a couple, family members, or a trust are involved, the way ownership is structured can also affect eligibility, and it is far harder to fix after signing.
None of these are reasons to avoid the scheme – they are reasons to get advice before you sign the contract, while there is still room to structure things correctly.
How Zed Legal Can Help
Conveyancing in South Australia is our core work, and stamp duty relief is exactly the kind of area where a well-run conveyance pays for itself. We can confirm whether your proposed purchase is likely to qualify for downsizer or first home buyer relief, review your contract before you sign so timing and eligibility are locked in, coordinate the sale of your existing home with the new purchase, and manage the RevenueSA and settlement process end-to-end. If you are thinking about downsizing – or helping a parent who is – contact our team at hello@zed.legal for a no-obligation chat about your options.
This article is general information only and current as at July 2026. It is not legal or financial advice and does not take your personal circumstances into account. Stamp duty relief is subject to detailed eligibility criteria and value thresholds set by RevenueSA, which may change. Please obtain advice specific to your situation before entering into any contract.