Castle Green
Castle Green is a 99-year lease (66 yrs left) condominium development in District 26 (Upper Thomson / Springleaf / Mandai). It has 134 recorded private transactions. Latest sale: $2,160,000 (May 2026, 131 sqm, floors 11-15). Median $1,167/sqft. Prices up 40.1% over the period. 66 years lease remaining.
Where Castle Green ranks in District 26
All 18 projects ›Median psf over time
Estimate a unit at Castle Green
Based on URA transactions for this development. Pick a floor band and unit size.
Projection blends market growth with Bala's Table lease decay. Past growth does not guarantee future performance. Not financial advice.
Lease decay
99-year leasehold. Under Bala's Table (SLA's leasehold relativity model), value decays faster as the lease shortens — currently about 0.40% a year.
Price by floor
| Floor band | Median psf | Transactions |
|---|---|---|
| 01-05 | $1,129 | 65 |
| 06-10 | $1,227 | 52 |
| 11-15 | $1,278 | 17 |
Recent transactions
| Date | Floor | Type | Area | Price | psf |
|---|---|---|---|---|---|
| May 2026 | 11-15 | Resale | 131 sqm | $2,160,000 | $1,532 |
| Apr 2026 | 01-05 | Resale | 88 sqm | $1,300,000 | $1,372 |
| Apr 2026 | 01-05 | Resale | 107 sqm | $1,660,000 | $1,441 |
| Apr 2026 | 01-05 | Resale | 113 sqm | $1,560,000 | $1,283 |
| Mar 2026 | 11-15 | Resale | 131 sqm | $2,150,000 | $1,525 |
| Mar 2026 | 01-05 | Resale | 88 sqm | $1,370,000 | $1,446 |
| Mar 2026 | 06-10 | Resale | 107 sqm | $1,600,000 | $1,389 |
| Feb 2026 | 01-05 | Resale | 88 sqm | $1,302,000 | $1,375 |
| Feb 2026 | 01-05 | Resale | 88 sqm | $1,250,888 | $1,321 |
| Jan 2026 | 06-10 | Resale | 88 sqm | $1,260,000 | $1,330 |
| Jan 2026 | 01-05 | Resale | 88 sqm | $1,238,888 | $1,308 |
| Dec 2025 | 01-05 | Resale | 88 sqm | $1,308,000 | $1,381 |
| Dec 2025 | 06-10 | Resale | 107 sqm | $1,680,000 | $1,459 |
| Nov 2025 | 06-10 | Resale | 113 sqm | $2,308,888 | $1,898 |
| Nov 2025 | 01-05 | Resale | 107 sqm | $1,500,000 | $1,302 |
| Nov 2025 | 01-05 | Resale | 113 sqm | $1,588,000 | $1,306 |
| Sep 2025 | 11-15 | Resale | 131 sqm | $2,200,000 | $1,560 |
| Aug 2025 | 01-05 | Resale | 107 sqm | $1,510,000 | $1,311 |
| Jul 2025 | 01-05 | Resale | 113 sqm | $1,600,000 | $1,315 |
| Jun 2025 | 06-10 | Resale | 113 sqm | $1,518,000 | $1,248 |
| May 2025 | 01-05 | Resale | 148 sqm | $1,920,888 | $1,206 |
| May 2025 | 06-10 | Resale | 88 sqm | $1,400,000 | $1,478 |
| Apr 2025 | 01-05 | Resale | 107 sqm | $1,580,000 | $1,372 |
| Mar 2025 | 01-05 | Resale | 88 sqm | $1,197,000 | $1,264 |
| Mar 2025 | 01-05 | Resale | 88 sqm | $1,230,000 | $1,299 |
About Castle Green
Castle Green is a 99-year leasehold development with its lease commencing in 1993 and about 66 years remaining in District 26 (Upper Thomson / Springleaf / Mandai), within the Outside Central Region of Singapore. It is among the more actively traded condominium developments in the area, with 134 recorded transactions between 2021-06 and 2026-05, ranging from $830,000 to $2,308,888. The most recent transaction was a 131 sqm unit (floors 11-15) sold for $2,160,000 in 2026-05, and the median price is $1,167 per square foot. Prices here have risen sharply, by about 40.1% over the period (around 7.1% a year). Under Bala's Table (the Singapore Land Authority leasehold valuation model), the leasehold relativity ratio at 66 years remaining is 0.8967, an annual lease decay of about 0.40%. All transaction data is sourced from the Urban Redevelopment Authority (URA) and updated regularly.
How much does a unit at Castle Green cost?
The most recent transaction at Castle Green was $2,160,000 for a 131 sqm unit in 2026-05. The median price is $1,167 per square foot across 134 transactions, ranging from $830,000 to $2,308,888. Data sourced from URA.
Is Castle Green freehold or leasehold?
Castle Green is on a 99-year lease commencing in 1993, with approximately 66 years remaining. Under Bala's Table, the annual lease decay at this point is about 0.40%.
What is the price per square foot (psf) at Castle Green?
The median price at Castle Green is $1,167 psf, with transactions ranging from $791 to $1,898 psf. This is based on 134 URA-recorded transactions in District 26.
Have prices at Castle Green gone up or down?
Prices at Castle Green have increased by approximately 40.1% over the data period (around 7.1% a year). The median price is currently $1,167 psf, with the most recent sale at $2,160,000 in 2026-05.