HDB

Why 5-room flats deserve a spot in your BTO wishlist

Keith Tan Boon Kee  |  ERA Division Director  |  29 Jun 2026
Why 5-room flats deserve a spot in your BTO wishlist
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If you're a family of four or five seriously considering a BTO application right now, and you've been eyeing the Berlayar Rise launch in Bukit Merah, here's something worth sitting with. There are no 5-room flats in that project. For families who need the space, that's not just a minor inconvenience. It's a structural gap in the market that affects your real options today.

What the Numbers Are Telling Us

The June 2026 BTO exercise has around 6,952 flats across multiple towns. Berlayar Rise in Bukit Merah, sitting right in the Greater Southern Waterfront corridor, is one of the most anticipated Prime projects in years. It offers 1,976 units across 2-room Flexi, 3-room, and 4-room flat types. That's it. No 5-room option.

The demand numbers tell you everything you need to know about how much people want in. There were roughly 4,900 to 5,000 applicants chasing 988 four-room units. Second-timer oversubscription crossed 20 times. First-timer families were already over 3 times subscribed. And those 4-room flats are priced from S$592,000 up to S$810,000 before grants.

Compare that to Sembawang Brook in the same launch. It has 5-room flats priced from S$420,000 to S$579,000. So a larger flat in a non-central Standard estate costs up to 40 to 50 percent less than a smaller flat in a Prime central location. The price gap is real and it points directly at what families with space needs are being asked to trade away.

My Take On This

In my view, the exclusion of 5-room flats from Prime projects like Berlayar Rise is a deliberate policy choice, and I understand the logic behind it. The government doesn't want large flats in ultra-prime, GSW-adjacent locations to become speculative assets. Under the Prime model, you've already got a 10-year MOP, no whole-unit rental, and a subsidy clawback on resale. Adding 5-room units into that mix in Bukit Merah would create future resale prices that push public housing into territory that sits uncomfortably close to private market pricing.

But here's the thing most people miss. Demand for space doesn't disappear just because the policy constrains supply in one location. In 25 years I've watched this pattern before. When a particular flat type is squeezed from one part of the market, that demand pressure simply redirects and shows up as competition elsewhere, whether in resale or in future launches. Right now, 5-room resale flats in mature estates are already trading around S$850,000. Households earning above S$11,000 a month who need space and want a central location are essentially being funnelled toward the resale market or toward entry-level private condos in the OCR.

What I'm seeing on the ground is that space-constrained families are doing a very pragmatic calculation. A 5-room HDB at 120 to 130 square metres often gives them more liveable area than a new 3-bedroom private condo at 80 to 95 square metres in a fringe location, sometimes at a lower monthly instalment. That arbitrage is real and it's driving a portion of HDB demand that isn't going away. Including 5-room options in well-located BTOs like Berlayar would serve these families directly, even at a higher price point, provided the affordability safeguards are properly calibrated.

What This Means For You

If you're an HDB upgrader or a young family applying to Berlayar Rise, you need to honestly assess whether a 4-room flat works for your household long-term. At up to S$810,000 for a Prime 4-room unit, you're committing to a 10-year MOP and significant restrictions on how you use and exit the flat. If space is genuinely going to be an issue in three to five years, it's worth considering whether a resale 5-room in a mature estate better serves your actual living needs, even if the BTO buzz around Berlayar is hard to ignore.

For families specifically hunting for 5-room new flats, the current landscape means you're looking at Standard estates like Sembawang or Woodlands for your BTO options. The price points are meaningfully lower, the waiting times can be shorter, and you get the space you need. The trade-off is location and eventual resale upside. That's a genuine trade-off worth making deliberately rather than by default.

For private condo investors watching this, the constraint on large HDB flat supply in central locations is quietly supportive of demand for mass-market private units in the OCR and RCR. Families who can't get the space they need in public housing will look at 3-bedroom private condos in areas like Clementi, Tampines, or Woodlands as a substitute. That sustained demand underpins pricing in those segments even as overall transaction volumes fluctuate.

The Bottom Line

The case for including 5-room flats in Prime BTOs like Berlayar Rise is essentially a case for serving real family demand in the right location, even if it means accepting a higher price tag and tighter policy controls. Until that supply gap is addressed, space-hungry families will keep pushing into the resale market and driving up prices for mature-estate 5-room flats. If you're trying to figure out whether a BTO application, a resale flat, or a private condo makes the most sense for your household right now, I'd encourage you to think beyond the launch buzz and map out what you actually need over the next decade. Reach out to me directly on WhatsApp at +65 9750 1055 or visit keithtanboonkee.com and let's work through the numbers together.

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Estimates only, not guaranteed, figures may change. Keith Tan Boon Kee, CEA Reg No. R003793E, ERA Realty Network.