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TLDR
The 15-month wait-out rule requires private homeowners to sell their property and wait 15 months before buying a resale HDB flat, with exceptions for seniors aged 55+ purchasing 4-room or smaller units. Introduced to cool surging demand and prevent private owners from outbidding first-time buyers, the rule has slowed resale price growth and reduced transaction volumes. However, it also pushed many into temporary rentals, raising rental costs. While the government has signaled the rule is temporary, its removal could reignite demand for resale flats, especially larger units, and potentially trigger more million-dollar transactions. At the same time, resale condo supply may rise, softening private property prices. For now, homeowners under 55 must plan strategically—considering alternatives like executive condos or commercial properties—while staying agile as policies evolve.
If you currently own a private property and are considering a move to the HDB resale market, you’ve probably come across the 15-month wait-out mandate. Not sure what that is? No worries—here’s what you need to know, including why it exists, how it has changed the market, and what could happen next.
The 15-Month Wait-Out Rule: An Overview
The 15-month wait-out period requires private homeowners to wait 15 months after selling their private residence before they’re eligible to purchase a non-subsidised HDB resale flat. The one exception caters to Singaporeans aged 55 and above (including their partners), provided they’re buying a 4-room or smaller flat—helping seniors downsize or retire with greater flexibility.
What Sparked This Rule?
The primary reason for this measure? Cooling the intense demand—and speeding price surges—in the HDB resale market.
In the years before this rule took effect, the number of private property owners moving into HDB resale flats doubled. This influx drove prices higher for ten straight quarters as buyers chased after resale units, many of which hit million-dollar valuations. The government’s concern was clear: private buyers were outbidding ordinary upgraders and first-timers, making public housing harder to afford. The wait-out rule was designed as a safeguard to bring fairness and stability back to the market.
Has It Made a Difference?
Since implementation, the pace of HDB resale price growth has slowed noticeably. For example, 2023 saw price increases drop to 4.9%—significantly less than 10.4% in 2022 and 12.7% in 2021. The number of flats changing hands also dipped, with about 26,735 resale units sold in 2023 compared to around 27,900 the previous year.
Major sales events, like February 2025’s Sale of Balance Flats exercise, have also boosted supply and offered more options to buyers, easing upward price pressure. However, luxury flat deals—where units breach the million-dollar mark—are still rising, but at a gentler pace (470 units in 2023, up from 369 in 2022).
The rule has also pushed some private homeowners to delay selling, which in turn increased demand for large rental units, driving rental prices for both HDB and mass-market condos higher. For those who sold regardless, temporary rentals became the norm, adding further strain to the rental market.
Still, it’s tough to single out the 15-month rule as the sole factor behind cooling prices. Other influences—higher interest rates and stricter lending rules—also played a role in calming the market.
What’s Happening in the HDB Resale Market Right Now?
Recent stats show a gentler climb in HDB resale rates. Quarter-on-quarter growth softened to 2.6% at the end of 2024, then slowed further to just 1.6% in early 2025—the slowest momentum since late 2023. With thousands of new flats (over 19,600 new BTO launches this year) and more reaching the five-year Minimum Occupation Period soon, expect even less pressure on prices going forward.
Is the Rule Going Away Soon?
There’s been speculation about the 15-month restriction being removed or revised. Officials, including the Minister for National Development, have said this cooling measure was always meant to be temporary, applied to address an overheated market. Now that price changes are calming, the government is reportedly reviewing the necessity of the rule.
However, with private home prices also stabilising and a subdued outlook for the rest of the year, policymakers may hesitate to lift it right away—possibly waiting until a higher supply of flats has entered the market.
What Could Happen if the Rule is Lifted?
Should the government remove the 15-month requirement, you can expect an uptick in demand for resale HDB flats—particularly among private owners who’ve been waiting to downgrade. This would likely push up prices, especially for larger, well-located units or those with standout views. We could even see a fresh wave of million-dollar resale flats.
With more private homeowners selling their condos to switch to HDB, the resale condo supply may rise, which could soften prices for private properties in the short term. Meanwhile, reduced demand for temporary rental homes might ease rent prices.
This policy isn’t about encouraging speculation—it primarily helps genuine downgraders who need immediate, affordable housing. But if resale demand heats up again, expect new tweaks or restrictions to keep the market under control.
What Should You Do as a Private Homeowner Under 55?
While the wait-out period is in place, consider these key moves:
- Re-examine your game plan:
Decide if you’re targeting rental income, capital appreciation, or another goal. A resale HDB flat isn’t always the best fit—especially if your funds are idle for 15 months, when better opportunities might be out there. - Look into other property types:
Executive Condos, non-landed private resale, and even commercial properties could be viable alternatives that don’t require a long waiting period.
Final Word
The 15-month wait was set up to cool a surging market, and by several measures, it’s worked. Yet, it’s only one of many levers affecting prices—interest rates and loan policies have an impact too. For private homeowners hoping to switch into public housing, the wait can certainly be a challenge.
With signs of market moderation, policy reviews might be in the works—but it’s never wise to make plans based on speculation. By the time any change is made, you could already have served most of the required wait. Your best bet is to stay informed, make decisions based on what you can control, and be agile as new policies emerge.
Should You Buy, Sell or Wait?
If you’re reading this, you must be trying to figure out the best course of action right now: is it the right time to buy or sell?
It’s difficult to give an exact answer since everyone’s situation is unique and what works for one person may not necessarily work for you.
I can bring you a wealth of on-the-ground experience and a data-driven approach to provide clarity and direction. From beginners to experienced investors, our top-down, objective approach will help you on your real estate journey.
I can help you by:
- Offering Strategic Real Estate Advice – I can help create a comprehensive plan to guide you through your property journey.
- Connecting Your Home with the Perfect Buyers – Through stunning visuals, an effective communication strategy, and an in-depth knowledge of the market, we’ll ensure your home is presented in the best possible way to fulfill your goals.
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