Sell high, buy high: why waiting rarely wins

By Winfred Quek · CEA R073319H · Published 29 July 2026

Facts verified: 29 July 2026 · Sources linked below

Every upgrader hears some version of this from a well meaning relative: don't sell now, prices are too high, wait for a correction. It is intuitively appealing because "buying high" feels like a mistake, full stop, regardless of what you are also selling. But an upgrade is not one transaction, it is two, happening close together: you sell a smaller property and buy a larger one. What actually matters for your bank account is the gap between those two prices, not the absolute level of either. We ran the actual index numbers to see whether waiting has, on average, made that gap smaller or bigger since 2020.

What the indices actually show, 2020 to mid 2026

Sources: HDB Resale Price Index table (HDB.gov.sg) and URA Private Residential Property Price Index quarterly and flash estimate releases. Cumulative HDB RPI change from approx 131.5 (early 2020) to approx 203.4 (1Q 2026) is roughly +55%. Cumulative URA private index change 2020 to 2Q 2026, compounding the annual and quarterly figures above, is approximately +40 to 45%. Growth has clearly decelerated since the 2021 to 2022 peak, but there has been no sustained sitewide price decline across this period in either index.

Two things stand out. First, growth has genuinely slowed: 2021's 10.6% private price gain is a world away from 2026's low single digit quarterly moves. Second, and more importantly for anyone waiting for a "correction," neither index has actually fallen on a sustained basis across this entire six year window. Slower growth is not the same thing as a dip, and the two get conflated constantly in casual property talk.

The dollar gap math nobody runs

Here is the part that actually matters for an upgrader's wallet. Take an illustrative, rounded example: a couple owns an HDB flat worth S$500,000 in 2020, and is eyeing a private condo worth S$1.1m at the time. The dollar gap they would need to bridge, through cash, CPF and loan, is S$600,000.

That last point is the whole counterintuitive lesson: percentage gains are not what determine your gap, dollar gains are. A 55% gain on a S$500,000 base is a smaller dollar number than a 42% gain on a S$1.1m base, because the private property started from a bigger number. Whenever the property you are buying costs more than the property you are selling, and both are appreciating, the buying side's dollar appreciation tends to outrun the selling side's dollar appreciation even at a lower percentage rate. Waiting, in other words, has been working against upgraders' cash position on average since 2020, not for it.

But rates fell, doesn't that help?

It is true that financing costs have come down. Three month compounded SORA fell from around 3% at its early 2025 peak to approximately 1.12% in July 2026, and most bank packages are priced at SORA plus a bank spread, so monthly mortgage instalments on a given loan quantum are materially lower today than 18 months ago. That is a genuine, welcome tailwind for anyone financing an upgrade right now.

But it does not undo the price gap math above. A lower rate reduces the monthly cost of servicing whatever loan you need; it does not shrink the loan quantum itself, which is driven by the price gap between what you sell and what you buy. Someone who waited through 2023 and 2024 hoping rates would fall did eventually see that happen, but they also absorbed a widening price gap over the same stretch. Rates and prices are two separate levers, and betting on one to compensate for the other is not something this data supports as a reliable strategy.

When waiting genuinely is the right call

None of this is an argument to buy regardless of circumstances. There are real, defensible reasons to wait that have nothing to do with guessing where prices go next:

• You have not reached your flat's Minimum Occupation Period. This is a hard eligibility rule, not a market call, and there is no way around it.
• Your cash or CPF position is not there yet. If you cannot cover the downpayment, stamp duties and buffer today, waiting to build that position is prudent, distinct from waiting for a lower headline price.
• A specific, known policy change is about to take effect that materially changes your ABSD, loan or eligibility position, and you can concretely quantify the difference.
• Your income or employment situation is genuinely unstable. Committing to a larger mortgage during real income uncertainty is a legitimate reason to hold off, independent of where the market goes.

What the data argues against is a fifth reason: waiting purely on the belief that Singapore property, HDB or private, is due for a meaningful price drop that will make the upgrade cheaper. Over the last six years that belief has not been rewarded, and the mechanics above explain why it structurally tends not to be, as long as you are moving from a lower priced property into a higher priced one in a broadly rising market.

The verdict: a Money, Timing & Safety read

• Money: MIXED Lower SORA rates genuinely reduce financing cost today, but the price gap between a smaller and larger property has, per the index data above, tended to widen rather than narrow while upgraders wait, which is the bigger number in most cash flow plans.
• Timing: STRONG If your Minimum Occupation Period is cleared and your cash and CPF position is ready, the data gives no strong historical basis for expecting a better entry point by waiting further, though it also cannot promise one will not occur.
• Safety: MIXED Committing to an upgrade before your income, job security or cash buffer is solid is its own risk, independent of the market timing question; safety here is about your own readiness, not the index.

The honest conclusion is not "always buy now." It is that "wait for prices to fall" and "I am not ready yet" are two different statements, and only one of them is supported by six years of published Singapore property data. Run your own numbers against your actual flat and target property with a purchase timeline planner and the Money, Timing & Safety self-assessment before deciding either way, and see our HDB upgrader guide for the full mechanics of the sell-then-buy versus buy-then-sell decision.

Frequently asked questions

Is it bad to sell high and buy high at the same time?

Not inherently. What matters for an upgrader is the dollar gap between your selling price and your buying price, not the absolute price level of either. Singapore HDB and private prices have both risen most years since 2020, so an upgrader who sells high is very often also buying into a market that has moved up by a similar or greater amount, meaning the relative gap does not necessarily worsen just because both numbers are larger.

Has waiting for a price dip worked in Singapore's property market since 2020?

On the data since 2020, no meaningful sustained dip has materialised in either the HDB Resale Price Index or the URA Private Property Price Index; both have risen most quarters, with growth decelerating rather than reversing. Buyers who waited specifically for a price drop have mostly been waiting through continued appreciation instead, per HDB and URA's own published indices.

Does a lower SORA rate mean I should buy now?

A lower SORA rate reduces your monthly financing cost, which is a genuine tailwind, but it does not offset a property price that has continued rising while you waited. Rates and prices are different variables; run both through your own affordability numbers rather than timing one against the other.

When does it actually make sense to wait before upgrading?

Waiting makes sense when you have not yet reached your Minimum Occupation Period, when your cash or CPF position genuinely is not ready, when a specific known policy change is imminent, or when your income or job situation is unstable. These are real constraints. Waiting purely because you believe prices will fall is a different decision, and the last six years of published index data do not support that bet as a base case.

What actually happens to the upgrade gap when both HDB and private prices rise?

Because a private property purchase is usually a larger absolute dollar amount than an HDB flat, the same or even a smaller percentage price increase on the private side can add up to a bigger dollar increase than a larger percentage increase on the HDB side. In an illustrative example using published index growth since 2020, the dollar gap between a S$500,000 flat and a S$1.1m target condo widens by roughly S$195,000 even though the HDB flat's percentage gain was larger, because the increase is compounding on a bigger base for the condo.

Winfred Quek is the Principal of Crestbrick Pte Ltd, advising Singapore upgraders, investors, and families. CEA R073319H. The information on this page is general and does not constitute financial, investment, or mortgage advice. All figures reference published HDB and URA index data and illustrative rounded examples, and are not a forecast of future prices, rates, or returns. Verify current index data directly with HDB and URA, and run your own numbers, before making any purchasing decision.