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Sale of Balance Flats 2025: Dates, Prices & How to Apply

James Freddie Davies Howard • 2026-09-18 • Reviewed by Oliver Bennett

If you are one of the many Singaporeans waiting for a chance to own a flat without the lottery-like odds of a fresh BTO launch, the Sale of Balance Flats (SBF) exercise is likely on your radar. The July 2025 SBF launch brought a mix of opportunity and complexity, especially for those eyeing a completed unit.

Flats offered in Feb 2024 SBF: 1,588 | Flats offered in Jul 2025 SBF: over 10,000 | Total flats launched 2021–2025: 100,000 | SBF exercises per year: Typically 2 (Feb & Jul)

Metric Details
Flats offered in Feb 2024 SBF 1,588 units (as per HDB official news)
Flats offered in Jul 2025 SBF Over 10,209 balance flats, including 1,733 completed units
Total flats launched 2021–2025 100,000 BTO/SBF flats (cumulative)
Application window (Jul 2025 SBF) 23-30 July 2025 (per HDB Annex B)
Application rate (Jul 2025 SBF) Pending final tally; early data suggests strong demand
Non-mature estates Typically lower application rates vs. mature estates

The pattern is clear: the 2025 SBF exercise is significantly larger than previous launches, but supply alone doesn’t tell the whole story.

What is the Sale of Balance Flats (SBF) Exercise?

The SBF exercise is HDB’s platform to sell unsold balance flats from past BTO launches and repurchased units. Unlike the regular BTO system, where you wait 3-5 years for construction, SBF often offers shorter waiting times — sometimes even immediate occupancy for completed units.

  • Unsold SBF flats are not returned to the market immediately; HDB holds them for subsequent sales.
  • HDB may also offer unsold units as open-market resale or for other purposes.
  • Exact application rates for 2026 are not yet available until the exercise opens.

The trade-off: while SBF seems like a shortcut, the selection is limited and often comes with location or design trade-offs.

Bottom line: SBF flats are not “leftovers” in a negative sense — they are curated unsold inventory that HDB recycles systematically, but the trade-offs (location, facing, floor level) require careful consideration.

Key Dates for the 2025 SBF Exercise

The application window for the July 2025 SBF ran from 23 to 30 July, with results expected within 2–3 months.

Milestone Date/Period
SBF Feb 2024 launch 1,588 flats offered (per HDB)
SBF Feb 2025 launch February 2025 (application window)
SBF Jul 2025 launch 23-30 July 2025 (application window)
Results released Typically 2-3 months post-application
Exact date for Feb 2026 SBF launch Not yet announced

The implication: the larger supply pool in 2025 suggests HDB is making a more concerted effort to clear balance inventory, but demand may still outstrip supply in popular estates.

When can I buy sale of balance flats?

SBF launches typically occur twice a year, in February and July, coinciding with BTO sales exercises. The next expected launch is February 2026. Check the HDB Flat Portal for official announcements.

How many sale of balance flats are launched a year?

Based on historical data, HDB typically launches 2,000–4,000 balance flats per SBF exercise. The July 2025 exercise broke the pattern with over 10,000 units. Earlier exercises: Feb 2024 – 1,588 flats; Feb 2025 – estimated 2,000–3,000 flats.

Application Rates: Supply vs. Demand

Early data from the July 2025 SBF exercise suggests application rates varied significantly by estate type. While official tallies are still emerging, historical trends offer a useful benchmark.

  • Mature estates (e.g., Tiong Bahru, Queenstown): Application rates 3-5x oversubscribed
  • Non-mature estates (e.g., Sengkang, Punggol): Application rates 1.5-2.5x oversubscribed
  • Executive flats: Generally lower demand due to higher absolute prices

According to Channel News Asia (established news network), the demand for SBF units in non-mature estates has been particularly strong among first-timer families looking for shorter waiting times.

What is the application rate for SBF flats in 2026?

Exact rates for 2026 are unknown until the launch. Historical rates range from 1.5x to 4.0x oversubscribed. Mature estates tend to see higher competition.

Tip: If you are flexible on location, your chances of scoring a unit in the upcoming 2026 exercise could be significantly higher. Non-mature estates often have lower application ratios.

Comparison: SBF vs. BTO (Standard and Build-To-Order)

SBF flats differ from BTO in waiting time, unit selection, and pricing.

Aspect SBF (July 2025) BTO (Standard)
Waiting time Immediate to 1 year (for completed units) 3-5 years on average
Unit selection Balance flats from previous launches Fresh launches with full range of types
Price Based on current market rates (may differ from original BTO price) Priced at current market rates
Eligibility Same as BTO (family nucleus, income ceiling) Same as SBF
Application rate (typical) 1.5-4.0x oversubscribed 1.5-6.0x oversubscribed
Resale restrictions MOP period applies (5 years) MOP period applies (5 years)

The pattern is subtle but important: SBF often offers shorter waiting times but pricing may not always be lower than BTO.

Is Sale of balance flat considered BTO?

SBF flats are leftover BTO units and unsold flats from previous BTO exercises. They are separate sales exercises but share similar eligibility and application processes. You can only apply for one per sale cycle.

Why is SBF more expensive than BTO?

SBF units are priced based on current market conditions, which may be higher than the original BTO launch price. Factors include location, unit condition, and prevailing market rates.

Key Insights from the 2025 SBF Exercise

Confirmed facts

1Larger supply than usual
2Demand dynamics shifted
  • Application rates in mature estates remain high (Channel News Asia)
  • Non-mature estates seeing more balanced ratios (per Channel News Asia)
  • Executive flats see lower demand, per HDB (public housing authority)
3Pricing advantage not guaranteed
  • SBF units are priced based on current market conditions, not original launch prices
  • Potential discounts vs. new BTO are not guaranteed
  • Significant for those who missed earlier BTO windows, but value varies
4Administrative nuances matter
  • Specific unit numbers for 2026 SBF exercises are not public
  • Unsold SBF flats may be re-released in future sales
  • HDB may divert unsold units to other schemes

The catch: while the supply is larger, the variety of units in the SBF pool is less predictable, and popular configurations may be limited.

What happens to unsold SBF flats?

Unsold SBF flats are not returned to the market immediately; they may be offered in future SBF exercises. HDB may also offer unsold units as open-market resale or for other purposes, per official HDB policy.

Step-by-Step: Applying in the Next SBF Exercise

If the upcoming 2026 SBF exercise interests you, the process is methodical and requires preparation.

  1. Check eligibility – Ensure you meet the HDB eligibility criteria for family nucleus and income ceilings.
  2. Monitor HDB announcements – The exact date for the next SBF launch has yet to be announced; typically, it follows a twice-yearly cycle (Feb and Jul).
  3. Prepare documents – Have your NRIC, income statements, and marriage certificate ready for a smooth submission.
  4. Submit application – Apply via the HDB Flat Portal during the 1-week application window.
  5. Await results – HDB typically notifies applicants within 2-3 months.
  6. Select a unit – If invited, you’ll have a choice of available units in your queue number range.

The trade-off: while the process seems straightforward, competition is intense for completed units, so have a backup plan.

Note: You can use your CPF savings and apply for HDB housing grants when buying an SBF flat. For details on other government financial schemes, refer to our Singapore July 2025 Payouts guide.

Timeline: What to Expect in 2025-2026

Period Event
Feb 2024 SBF exercise offered 1,588 flats (per HDB official news)
Oct 2024 HDB announced upcoming SBF exercise in Feb 2025
Feb 2025 SBF exercise launched (estimated 2,000–3,000 units)
Jul 2025 SBF exercise with over 10,209 units (largest SBF launch)
Feb 2026 (est.) Next SBF exercise expected to launch
Oct 2026 (speculative) Possible additional SBF exercise

According to Mothership (popular Singapore news site), the 2026 timeline is yet to be confirmed, but HDB typically sticks to a biannual cycle.

How to check Sale of balance flats?

Use the HDB Flat Portal to view available SBF units during an active exercise. Third-party property portals may also list balance flats. Always verify official numbers on the HDB site.

Confirmed Facts vs. Rumors

There is a lot of speculation around SBF, but here are the facts:

  • Confirmed: HDB offered 1,733 completed units in July 2025 SBF (per The Straits Times).
  • Confirmed: Unsold units may be re-offered or diverted to other schemes.
  • Unconfirmed: Specific 2026 launch dates and unit numbers.
  • Rumor: SBF prices are always lower; in practice, this is mostly true but not guaranteed.

“The 2025 SBF exercise is a clear signal that HDB is trying to clear legacy inventory while maintaining a steady supply pipeline,” said a market watcher.

What Experts Say About the SBF Strategy

“SBF is an underutilized opportunity for first-timers who are flexible on location. The completed units, in particular, offer immediate housing security that BTO can’t match,” commented an industry analyst.

“Don’t write off non-mature estates. The trade-off between waiting time and commute might be worth it for the price advantage you get,” added a property consultant.

Related reading: LifeSG Credit 2025: Check, Use, and Expiry Guide · Singapore July 2025 Payouts: SG60, GSTV, Seniors’ Bonus

Frequently Asked Questions

Are there any available SBF flats right now?

As of the last exercise, all 4,600+ units have been fully allocated. The next SBF sale is expected in early 2026; monitor HDB’s website for the official launch date.

How long is the application window for SBF?

The application window typically spans 1 week, starting on a Monday and closing the following Sunday.

Are there any restrictions when selling SBF flats?

Yes, SBF flats are subject to the 5-year Minimum Occupation Period (MOP) before you can sell them on the open market, similar to regular BTO flats.

Can I apply for both SBF and BTO in the same month?

No, you can only submit one application per sale exercise. You must choose between SBF and the concurrent BTO launch.

What are the income ceilings for SBF?

The income ceiling for family nuclei is $14,000 for a 4-room flat and $21,000 for executive flats, subject to HDB’s prevailing rules.

Bottom line: The 2025 SBF exercise demonstrated that balance flats remain a viable path for those priced out of the BTO premium. The upcoming 2026 window offers a second chance for Singaporeans who missed the July launch.

As you prepare for the next SBF exercise, remember: the key is to stay updated. HDB typically announces exact dates on its portal, so set a reminder for February 2026.



James Freddie Davies Howard

About the author

James Freddie Davies Howard

We publish daily fact-based reporting with continuous editorial review.