Reviewed September 2026. Housing, CPF, loan and stamp-duty rules can change. This is general education, not financial advice, and no worked example should be reused without current inputs.
A current upgrader calculation framework
- Estimate conservative net sale proceeds after outstanding loan, CPF refund, fees and other costs.
- Confirm current HDB selling eligibility and transaction timing.
- Calculate buyer duties and any applicable ABSD for the exact ownership profile.
- Obtain current loan assessments and stress-test rates, tenure and monthly cash flow.
- Retain emergency funds and model renovation, moving and recurring ownership costs.
Use current HDB selling guidance and the official sale-proceeds calculator. The approved BleuBricks destinations now resolve to insights and contact.