A Sentosa Cove developer sold at $3,252 per square foot in 2009. The same enclave was reselling at $1,400 that year.

In 2009 a buyer could pay a developer $3,252 per square foot for a new Sentosa Cove apartment. In the same year, in the same enclave, resale apartments were changing hands at $1,400.

Both numbers were in the public record at the time. Seventeen years later the resale market has still never reached what those buyers paid.

Key takeaways

• Every new launch buyer from 2007 to 2011 lost money. Five years, forty resales, no exceptions. The cliff
• The launches were priced 53% to 94% above the level the enclave's resale market has settled at. Above the level that held
• Prime mainland developers charged a premium of 27% to 42% over resale in the same years. Sentosa's ran to 100%. What a normal premium looks like
• The duty on foreign buyers rose five times between 2011 and 2023. Sentosa's foreign share was at a decade high when the last one landed, and it had three times the exposure of prime mainland. Why 2024 broke

The cliff

Buyers who bought new from the developer, grouped by the year they bought, and how their eventual resale turned out.

Resales counts only those homes that have since been sold again. Made money is the share of those that sold for more than the buyer paid. Median outcome is what happened to the typical one: line up every sale from worst to best and take the one in the middle. A reading of +10% means that home sold for a tenth more than it cost; -10% means a tenth less.

Bought new in	Resales	Launch price that year	Made money	Median outcome
2004	7	$847	100%	+85.4%
2005	6	$936	100%	+61.1%
2006	46	$1,454	67.4%	+6.4%
2007	15	$2,563	0%	-41.2%
2008	8	$2,734	0%	-34.3%
2009	2	$3,252	0%	-18.0%
2010	12	$2,672	0%	-32.9%
2011	3	$2,719	0%	-38.5%

The break falls between 2006 and 2007. Two thirds of the people who bought new in 2006 made money. Of everyone who bought new in the five years after it, none did.

The launch price went from $1,454 to $2,563 in twelve months, a jump of 76%, and it has never been recovered.

The resale counts are small in some years because they count only homes that have since been sold again. The launch price is the median across every new sale the developer made that year.

Above the level that held

Sentosa Cove resale prices have moved very little in nineteen years. The median resale was $1,714 per square foot in 2007 and $1,637 in 2026. Between 2012 and 2026 the median of every resale in the enclave is $1,679.

Set the launches against that settled level:

• New launch
• Resale

The developer line and the resale line are the same enclave in the same years. They separate after 2006 and never rejoin.

Measured against the settled $1,679, the launch prices from the table above sit:

Launch year	Against the settled level
2006	-13%
2007	+53%
2008	+63%
2009	+94%
2010	+59%
2011	+62%

Every launch from 2007 to 2011 was priced between 53% and 94% above the level the market would settle at. The only launch below it was 2006, and 2006 is the last year most buyers made money.

This also explains something a single year's comparison gets wrong in both directions. In 2009 the gap against that year's resale price looked catastrophic, because resale was temporarily depressed. In 2011 it looked ordinary, because resale was temporarily elevated. Both were the same thing: a launch priced around 60% above what would hold.

A spot comparison would have cleared the 2011 launch. Its buyers are down 38.5%.

What a normal premium looks like

Developers price above the resale market everywhere. That is what buying new costs: a newer building, choice of unit, a warranty, deferred payment. The question is how much.

Year	Prime mainland	Sentosa Cove
2007	+42%	+50%
2008	+30%	+67%
2009	+30%	+132%
2010	+36%	+37%
2011	+33%	+29%

These compare each year's launch price with that same year's resale price, which is what a buyer could see at the time. The previous section compared the same launches with the level the market later settled at. The two differ most in 2009, when resale was temporarily depressed: +132% against that year's resale, +94% against the settled level.

Prime mainland sits in a tight band around a third, in every year, across thousands of transactions. Sentosa's 2008 launch charged twice that, and its 2009 launch four times.

And there is a structural reason the mainland absorbs its premium and Sentosa did not.

• Prime mainland
• Sentosa Cove

Prime mainland resale prices rose from $1,726 per square foot in 2013 to $2,209 in 2026, up 28%. Sentosa went from $1,640 to $1,637 over the same thirteen years. On the mainland the resale market grows into the premium. Here it never has.

That is not a tenure effect. Prime mainland leasehold rose 30% over the same period, matching its freehold.

Why 2024 broke

Sentosa Cove resale prices did something unusual in 2022 and 2023. Having sat about 20% below prime mainland for a decade, they briefly reached parity: $2,018 against $2,012 in 2022, and $2,125 against $2,080 in 2023.

Then in one year they fell 21% while prime mainland rose 3%.

Additional buyer's stamp duty for foreign buyers doubled to 60% in April 2023. It was the fifth increase, not the first: 10% in 2011, 15% in 2013, 20% in 2018, 30% in 2021.

Foreign buyers had been leaving for a decade as those increases stacked up.

• Sentosa Cove
• Prime mainland
• National

Nationally the foreign share ran 19.3% in 2011, the last year before the duty existed, and 3.5% by 2023. Prime mainland went from 27.8% to 7.4% over the same period.

Sentosa was the exception. Its foreign share had recovered to 20.9% by 2023, six times the national rate and its highest since 2012, at the moment the duty tripled.

Year	Sentosa Cove	Prime mainland	National
2023	20.9%	7.4%	3.5%
2025	5.8%	2.6%	1.2%
Fall	-72%	-65%	-66%

Proportionally the shock is almost identical everywhere. Every segment lost roughly two thirds of its remaining foreign buyers.

In percentage points it is not close. Sentosa lost 15.1 points of its buyer base. Prime mainland lost 4.8. Nationally, 2.3.

A market that loses five points of demand absorbs it by selling fewer homes. A market that loses fifteen, a fifth of everyone who was buying, has to move on price. Prime mainland held its prices and its luxury resale volume rose. Sentosa's prices fell.

The stamp duty was national and it hit proportionally. Sentosa took three times the damage because it had three times the exposure, having been built and sold for exactly that buyer.

What this means

A launch price is only meaningful against the resale market beside it. On its own it tells you what a developer is asking. Against the resale series it tells you what the same location is simultaneously worth to someone else, and how far the asking price sits from it.

And one year of that comparison is not enough. The 2011 launch looked reasonably priced against 2011 resale and was 62% above the level that would hold. What matters is the level a market sustains, which takes a long series to see.

Selling to one kind of buyer is a risk that only shows up later. Sentosa Cove was built for the foreign buyer and priced accordingly. That worked while the buyer was there. When a national policy removed two thirds of them, the enclave had no second market to fall back on, and the mainland did.

What this does not tell you

• Whether Sentosa Cove is cheap now. Everything here is about what happened to past buyers. The resale market has been near $1,650 for over a decade, which is a fact about the past, not a forecast.
• Why the developers priced where they did, or why buyers paid it. Caveat records carry prices, not reasoning.
• What happens if the stamp duty changes again. The exposure that made Sentosa fragile in 2024 would work in the other direction, and we have no basis for saying by how much.
• Anything about the landed homes. This is the non-landed enclave only.
• Costs. All figures are gross of stamp duties, agent fees, legal costs and holding costs, which for a foreign buyer since April 2023 would change every outcome here.

Method

Figures are transacted prices from URA caveat data for Sentosa Cove non-landed projects, excluding collective sales. Non-landed means condominiums and apartments; the enclave also contains landed homes, which are excluded throughout.

A resale pair matches a home to its own previous recorded sale, matched on the unit record. Outcomes are the second price divided by the first.

Launch price is the median price per square foot across a project's new sale transactions, which are the developer's own sales.

The settled resale level of $1,679 is the median of every Sentosa Cove resale from 2012 to 2026, the period after the last launch. Where a launch is compared with a single year's resale price, that is stated; the two comparisons answer different questions and are kept separate.

Prime mainland means Core Central Region private condominiums and apartments excluding Sentosa Cove.

Residency figures are from URA records of purchases by residency status, at planning area level. Sentosa Cove sits in the Southern Islands planning area. These count purchases in a year, not the ownership make-up of a development.

Sale data to 4 August 2026.