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Buying & upgrading

Asset progression is arithmetic wearing a lifestyle costume

The choice of project is the easy part. What decides whether an upgrade builds net worth or just larger monthly commitments is four numbers, and three of them are usually calculated wrong. Here is the roadmap I take every upgrader through.

Run the calculator Talk it through with Renee

The upgrader roadmap

  1. Establish the ceiling before you view anything

    Two constraints decide your budget, and it is the lower of them that binds. The loan-to-value limit gives you 75% on a first housing loan. The Total Debt Servicing Ratio caps total monthly debt at 55% of gross income, stress-tested at a 4% rate floor rather than the rate you are quoted. In most upgrader households, TDSR binds first — which means the constraint is income, not equity.

  2. Find the real cash position

    Your CPF principal and its accrued interest — 2.5% a year, compounded across every year of ownership — return to your CPF Ordinary Account, not to your bank. That money is usable for the next property but cannot pay a stamp duty bill, which must be settled in cash first and reimbursed afterwards. This is where most plans quietly break.

  3. Decide the sequence

    Sell first and you avoid Additional Buyer’s Stamp Duty entirely, but you may need somewhere to live. Buy first and you pay 20% ABSD upfront — $360,000 on an $1.8M purchase — refundable only if the first property is sold within six months and every other condition is met. For a new launch on progressive payments the clock runs from TOP, which changes the calculation completely.

  4. Consider whether decoupling helps

    Transferring one co-owner’s share to the other restores that owner’s first-property status for ABSD. It costs stamp duty on the transferred share plus legal fees, and it only works if the remaining owner can service the entire loan alone under TDSR. That last condition, not the cost, is what stops most decoupling plans.

  5. Build the buffer, then commit

    A plan that works only at today’s rate is not a plan. I model the repayment at the 4% stress rate, check the position if one income pauses, and account for the maintenance, property tax and the six-month gap between paying for the new property and receiving proceeds from the old one.

The rules that moved recently

Four changes in the last fourteen months materially affect upgraders. Most published guidance has not caught up with the last one — it is four days old.

28 July 2026

15-month wait-out period removed

Private property owners can now buy a non-subsidised HDB resale flat with no waiting period, provided they do not take an HDB loan. The 30-month wait-out still applies to subsidised flats, ECs from a developer, and HDB loans.

8 May 2026

Executive Condominium MOP doubled

ECs on land tendered from 8 May 2026 carry a 10-year Minimum Occupation Period and privatise in year 15. Existing ECs keep 5 and 10. The Deferred Payment Scheme is gone.

4 July 2025

Seller’s Stamp Duty tightened

The holding period went back to four years and every tier rose four points, to 16% / 12% / 8% / 4%. This applies to the property you are buying too, not only the one you are leaving.

20 August 2024

HDB loan LTV lowered to 75%

The HDB concessionary loan loan-to-value limit fell from 80% to 75%, raising the cash and CPF required at the point of purchase.

Start here

Tell me the four numbers and I will tell you if it works

Your flat’s realistic value, your outstanding loan, your CPF used plus accrued interest, and your combined gross income. That is enough for me to tell you honestly whether an upgrade is on the table this year — including when the answer is no.

Model my upgrade

Send me your situation and I will come back with the ceiling, the cash required and the sequencing that fits.

Renee Sim (Sim Li Bing) · CEA Reg. No. R042407F · PropNex Realty Pte. Ltd. · Agency Licence No. L3008022J. Your details are used only to respond to this enquiry and are never sold or passed to third parties.

Questions upgraders ask

Is it still worth upgrading from an HDB flat to a condominium in 2026?
It depends on the arithmetic, not on the market narrative. HDB resale prices fell 0.1% in 1Q2026 and 0.3% in 2Q2026 while private non-landed prices were broadly flat, so the gap to bridge has neither widened nor narrowed much. What decides it is whether your income supports the loan under TDSR at a 4% stress rate, and whether your equity after the CPF refund covers the downpayment and stamp duty.
How long do I have to sell my HDB flat if I buy a condominium first?
To claim the Additional Buyer’s Stamp Duty refund, a married couple must sell the first property within six months of the purchase date of the second — or within six months of the TOP or CSC date if the second property was uncompleted at purchase, whichever is earlier — and apply for the refund within six months of that sale. IRAS does not grant extensions.
What is decoupling and does it still work?
Decoupling transfers one co-owner’s share of a jointly held private property to the other, so the exiting owner counts as a first-time buyer again for Additional Buyer’s Stamp Duty. It costs Buyer’s Stamp Duty on the transferred share plus legal and refinancing fees, and possibly Seller’s Stamp Duty if the property is within its holding period. It works only if the remaining owner can service the whole loan alone under TDSR.
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