Korea Reconstruction Profit Calculator: Additional Assessment & Expected Returns
Korea Reconstruction Profit Calculator
The core of a Korean reconstruction or redevelopment investment is the gap between your rights value and the new unit price. If the new apartment is worth more than your rights value plus any additional assessment, you profit.
Reconstruction Profit Calculator
Apartment Redevelopment ROI
Profitability Grade
Excellent
ROI
50.0%
Annual Return
4.14%
Total Investment
80,000× 10,000 KRW
Net Profit
+40,000× 10,000 KRW
For reference only. Actual returns may vary with market conditions.
How the Profit Is Calculated
Rights value = Appraised property value × Proportional ratio (비례율)
Additional assessment = New unit price − Rights value
Expected profit = New apartment market value − Original investment − Assessment
Proportional ratio (비례율): The profitability index for a reconstruction project. Above 100% means the union members gain; below 100% means losses. Prime Seoul reconstruction projects typically run 100–120%.
Reconstruction Process Stages
| Stage | Contents | Typical Duration |
|---|---|---|
| Safety inspection | Must receive D or E grade | 6 months – 1 year |
| Improvement zone designation | Local government announcement | 1–2 years |
| Union formation | 75% landowner consent | 1–2 years |
| Project implementation approval | Design and construction plan finalized | 2–3 years |
| Management and disposition approval | Assessment amounts confirmed | 1–2 years |
| Relocation / demolition / groundbreaking | Construction begins | 3–4 years |
| Completion / move-in | New apartment delivered | — |
Key Risks to Watch
- Regulatory changes during the process (stricter safety inspections, reconstruction surplus collection)
- Interest costs if the project is delayed
- Need for relocation funds after management disposition approval
- 2-year actual residency requirement (speculative-zone allocations)
Korean reconstruction projects can take 10–20 years and are highly sensitive to regulatory shifts. Consult a real estate specialist before committing to investment.
OIYO Editorial
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