Seller’s Stamp Duty by holding period.
Seller’s Stamp Duty
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SSD rate
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Your breakdown
Updates live as you type| Held for | SSD rate | Duty on $1.5m |
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A tax designed to make you wait
Seller’s Stamp Duty is not a revenue measure so much as a deterrent. It exists to discourage short-term flipping of residential property, and it does its job by charging a steep duty if you sell within a set holding period, then dropping to zero the moment you have held long enough. Unlike Buyer’s Stamp Duty, which everyone pays on purchase, SSD only bites the impatient seller. If you buy a home to live in for years, you will almost certainly never encounter it. If you are tempted to sell within a few years of buying, it can take a serious slice of your proceeds.
This tool applies the current rate for your holding period to the higher of your sale price or the property’s market value. That last detail matters: you cannot dodge the duty by recording a low sale price to a friend, because IRAS assesses it on market value if that is higher.
The four-year clock, and the 2025 change
The holding period was lengthened on 6 July 2025, from three years to four. The rates now run 16 percent if you sell within the first year, 12 percent in the second year, 8 percent in the third, and 4 percent in the fourth. Hold for more than four years and there is no Seller’s Stamp Duty at all. The clock starts on the date you acquired the property and is measured to the date you sell, so the difference between selling in month 47 and month 49 can be a full 4 percent of the price. That is not a rounding detail, it is real money, and anyone selling close to a boundary should check the exact dates before committing.
Selling a $1.5 million flat within the first year
Suppose you bought a $1.5 million property and circumstances force a sale inside the first 12 months. You fall in the top SSD band of 16 percent, applied to the $1.5 million.
Selling in year one costs $240,000 in duty alone, enough to wipe out any short-term price gain and then some. The bars below show how that liability collapses with each year you hold, falling off a cliff to nothing after four years.
Who gets caught, and who is spared
The people who run into SSD are rarely speculators. More often it is a buyer whose life changed: a job posting overseas, a divorce, a sudden need to downsize, or a new launch they bought and then could not hold. If you are in that position, the arithmetic is brutal and worth confronting directly, because waiting even a few months to cross into a lower band, or past the four-year mark entirely, can save tens of thousands. There are limited remissions in specific hardship and official situations, such as certain cases of bankruptcy or government acquisition, but they are narrow and not something to count on.
Two things to keep straight. SSD is entirely separate from any tax on a gain, and since Singapore has no capital gains tax, a genuine long-term owner pays neither SSD nor a gains tax on sale. But if you are buying and selling property frequently enough that IRAS views it as a trade, the profits can instead be taxed as income, which is a different and potentially larger exposure than SSD. And SSD sits apart from Buyer’s Stamp Duty and any Additional Buyer’s Stamp Duty you paid on the way in, none of which is refunded when you sell.
Does the longer four-year period apply to a property I bought before July 2025?
No. The extended four-year holding period and the revised rates apply to residential property acquired on or after 6 July 2025. A property bought before that date is assessed under the rules in force when you acquired it, which used the previous three-year holding period. Always match the rule set to your acquisition date, not the date you sell, and check the precise transition terms if your purchase straddles the change.
Is SSD charged on HDB flats too?
Residential SSD can apply to HDB flats, but the practical reality is that the HDB Minimum Occupation Period, usually five years, already forces you to hold the flat well beyond the four-year SSD window before you are even allowed to sell on the open market. So a flat owner who satisfies the Minimum Occupation Period has, by definition, passed the SSD holding period and owes no SSD. The duty is far more likely to surface on private property, where no equivalent occupation period stands in the way of an early sale.