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Is Restructuring Your Property Still Worth It After the 99 to 1 Crackdown?

By Winfred Quek · CEA R073319H · 9 minute read · Last reviewed May 2026

Rates and thresholds change. The current figures are kept in one place: the Singapore property rules reference.

Facts verified: May 2026 · Sources linked below

For several years, a small number of buyers used the "99 to 1 arrangement" to circumvent ABSD. The scheme was elegant in its simplicity: one spouse would hold 99% of a property, the other 1%. The 1% holder would then transfer their share to the 99% holder, becoming property free and free to buy a second property as a "first time buyer" at 0% ABSD.

IRAS closed this loophole with a targeted enforcement action in early 2023, retrospectively assessing ABSD on hundreds of transactions and clarifying that any arrangement primarily motivated by ABSD avoidance constitutes tax avoidance. The penalties are severe: ABSD plus a 50% surcharge in many cases.

But the enforcement of 99 to 1 does not mean all property restructuring is dead. The key question is: what remains legal, when does it make financial sense, and how do you structure it correctly?

What Was the 99 to 1 Arrangement?

The 99 to 1 scheme worked as follows:

What IS Still Legal: Genuine Decoupling

The crackdown targeted arrangements whose sole purpose was ABSD reduction. What remains legal is a genuine transfer of a property share at fair market value, with a legitimate reason beyond tax avoidance.

Legal and accepted reasons include:

• Divorce or legal separation: one spouse takes full ownership as part of matrimonial asset division
• Estate planning: transferring to a trust or adjusting ownership for succession purposes
• Business restructuring: genuine separation of personal and commercial assets
• Full genuine decoupling where both parties agree on market value and the transfer is documented as arm's length, and where there IS a legitimate future investment objective that would have occurred regardless of ABSD

The distinction IRAS draws is between "the dominant purpose of this transaction is to reduce ABSD" vs "this transaction has genuine commercial reasons, and one incidental benefit is a change in ABSD position." The documentation, timing, and conduct of the parties matters enormously.

The Decoupling Math: Why It Still Works

For couples who jointly own a matrimonial home (both are Singapore Citizens, neither has any other property), genuine decoupling to enable one spouse to buy an investment property independently is still mathematically compelling.

The Cost of Decoupling

When Spouse A transfers their 50% share to Spouse B at market value:

• BSD on transferred value: BSD applies to the purchase price of the share. On a $2M property, 50% = $1M transfer. BSD on $1M = 1% × $180,000 + 2% × $180,000 + 3% × $640,000 = $1,800 + $3,600 + $19,200 = $24,600.
• Legal fees: approximately $3,000 to $5,000 for the transfer and new sole name mortgage documentation.
• ABSD on transfer: 0% because Spouse B is receiving their first (and only) property as sole owner. No ABSD is triggered if the receiving spouse has no other property.
• Total decoupling cost: approximately $28,000 to $30,000 for a $2M matrimonial home.

The ABSD Saved on the Investment Property

Spouse A, now property free, can buy an investment property at 0% ABSD as a first time buyer. Without decoupling, any investment property bought jointly or in Spouse A's sole name (given Spouse A's existing 50% share) would be subject to 20% ABSD.

Decoupling cost calculated on 50% share transfer of a $2M matrimonial home. ABSD rate assumes SC second property = 20%. BSD computed at standard rates.

The break even point is clearly in favour of decoupling for any investment property above approximately $200,000 in value which covers virtually every Singapore residential property purchase.

The Right Way to Execute Decoupling in 2026

Key Risks to Manage

The TDSR Qualification Risk

When one spouse takes on sole ownership of the matrimonial home, the bank must approve the single name mortgage. If the sole owner's income is insufficient to service the full loan under TDSR (55% of gross income), the bank may require partial loan repayment or restructuring. This is a real constraint. Run the numbers before committing to decoupling.

CPF Complications

If the transferring spouse has used CPF for the property, the CPF OA funds used plus accrued interest must be refunded to their CPF account at the point of transfer not at the eventual sale. This reduces the cash available and increases the net cost of decoupling. Factor this in.

Timing Between Transactions

IRAS scrutinises the time gap between a decoupling transfer and the subsequent investment property purchase. A very short gap (weeks) will attract closer examination. While there is no fixed waiting period in the regulations, a reasonable gap of 3 to 6 months combined with clear documentation of the decoupling's independent rationale reduces scrutiny risk.

When Restructuring Does NOT Make Sense

• If the matrimonial home has a large outstanding loan that the sole owner cannot service on their income alone; the TDSR block kills the strategy before it starts.
• If the couple has already used all their CPF, requiring large cash refunds to CPF at point of transfer.
• If the intended investment property is less than $500,000 the break even on decoupling costs is marginal.
• If either party is approaching 55 and CPF SA/RA top ups are the priority engaging CPF for property may not be optimal.

The Bottom Line

Property restructuring in 2026 is not dead; it has simply been cleaned up. The 99 to 1 scheme was always a loophole exploit that IRAS was always likely to close. What remains available is the legitimate, properly documented, arm's length transfer of property between spouses or family members for genuine reasons.

For a couple with one joint property, no other assets, and a clear plan to build a two property portfolio, genuine decoupling followed by an independent investment purchase remains one of the most financially efficient moves available to Singapore property investors.

Related reading

• Decoupling in Singapore: The Complete 2026 Guide
• Property Under One Name vs Joint Name: What Singapore Couples Get Wrong
• ABSD Singapore 2026: Full Rate Table and Avoidance Strategies
• ABSD Calculator

Winfred Quek is an Associate Marketing Consultant at Crestbrick Pte Ltd. CEA R073319H. Information on this page is general and does not constitute financial, investment, or mortgage advice.

Frequently asked questions

Is the 99 to 1 property arrangement still legal in Singapore?

No. IRAS cracked down on 99 to 1 arrangements in 2023. Any transfer of a property share where the primary purpose is to reduce ABSD liability is now subject to ABSD as if the receiving party is buying the property at the prevailing rate. The arrangement is treated as tax avoidance.

What property restructuring is still legal in Singapore in 2026?

A genuine arm's length transfer of property between spouses at full market value, for legitimate reasons such as divorce settlement, estate planning, or business restructuring, remains legal. IRAS assesses whether the transfer has a genuine commercial reason beyond ABSD reduction. BSD is payable on the transferred value. If the receiving spouse has no other property, no ABSD is triggered on the transfer itself.