Blk 3B Upp Boon Keng Rd is an HDB block in Kallang/Whampoa (completed in 2005, 25 storeys, 142 units). As of Jul 2026, its median resale price over the last 24 months is $910,000, about 38% above the Kallang/Whampoa median, from 11 sales. 47 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Kallang/Whampoa |
|---|---|
| Completed | 2005 |
| Lease from | 2006 |
| Storeys | 25 |
| Dwelling units | 142 |
| Unit mix (sold) | 4-room ×96 · 5-room ×46 |
| Recorded resales | 47 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $905,000 | $10,056/m² | 9 |
| 5-Room | $1,160,000 | $10,545/m² | 2 |
Median monthly rent at this block: $4,200/mo (9 rental contracts, last 12 months).
Estimated gross rental yield: ~5.5% (Kallang/Whampoa average: ~6.2%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 16% of Kallang/Whampoa blocks with recent sales.
For a typical 4-room flat here, our price model estimates $818,627–$915,752 (central estimate $867,190). Recent sales — median $870,000 — sit within that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
| Year | Median (nominal) | Median (today's $) | Sales |
|---|---|---|---|
| 2010 | $603,000 | $810,191 | 2 |
| 2011 | $697,500 | $890,399 | 2 |
| 2013 | $673,500 | $803,117 | 4 |
| 2014 | $631,000 | $744,737 | 2 |
| 2015 | $652,000 | $773,567 | 2 |
| 2016 | $730,000 | $870,717 | 3 |
| 2017 | $800,000 | $948,738 | 1 |
| 2018 | $769,600 | $908,702 | 5 |
| 2019 | $711,000 | $834,773 | 2 |
| 2020 | $750,000 | $882,081 | 4 |
| 2021 | $703,000 | $808,088 | 2 |
| 2022 | $717,500 | $777,110 | 2 |
| 2023 | $820,000 | $847,178 | 3 |
| 2024 | $895,000 | $903,082 | 3 |
| 2025 | $910,000 | $910,000 | 7 |
| 2026 | $905,000 | $905,000 | 3 |
| Record sale | $1,200,000 (5-Room, 2025-06) |
|---|---|
| First recorded sale | $576,000 (2010-06) |
| Busiest year | 2025 · 7 sales |
| 10-year change (real) | +4% (+0.4%/yr, 2016→2026) |
| Total transacted | $36.6M across 47 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-06 | 4-Room | 25 TO 27 | 90 | $920,000 |
| 2026-05 | 4-Room | 07 TO 09 | 90 | $850,000 |
| 2026-01 | 4-Room | 10 TO 12 | 90 | $905,000 |
| 2025-09 | 4-Room | 16 TO 18 | 90 | $942,000 |
| 2025-09 | 4-Room | 01 TO 03 | 90 | $860,000 |
| 2025-09 | 4-Room | 04 TO 06 | 90 | $830,000 |
| 2025-08 | 5-Room | 07 TO 09 | 110 | $1,120,000 |
| 2025-06 | 5-Room | 16 TO 18 | 110 | $1,200,000 |
| 2025-02 | 4-Room | 13 TO 15 | 90 | $880,000 |
| 2025-01 | 4-Room | 13 TO 15 | 90 | $910,000 |
| 2024-12 | 4-Room | 16 TO 18 | 90 | $938,000 |
| 2024-05 | 4-Room | 13 TO 15 | 90 | $777,000 |
| 2024-03 | 4-Room | 22 TO 24 | 90 | $895,000 |
| 2023-09 | 5-Room | 04 TO 06 | 110 | $775,000 |
| 2023-05 | 4-Room | 16 TO 18 | 90 | $820,000 |
| 2023-03 | 5-Room | 16 TO 18 | 110 | $985,000 |
| 2022-05 | 4-Room | 10 TO 12 | 90 | $680,000 |
| 2022-02 | 4-Room | 19 TO 21 | 90 | $755,000 |
| 2021-06 | 4-Room | 16 TO 18 | 90 | $668,000 |
| 2021-05 | 4-Room | 19 TO 21 | 90 | $738,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 14 | $1,070,000 | $8,770/m² |
| 2. Blk 8C | $1,050,000 | $11,932/m² |
| 3. Blk 2B | $962,500 | $10,167/m² |
| 4. Blk 2C | $956,900 | $10,361/m² |
| 5. Blk 3C | $954,000 | $10,600/m² |
| 6. Blk 3A | $950,000 | $10,353/m² |
| 7. Blk 2A | $947,000 | $10,447/m² |
| 8. Blk 2D | $930,000 | $10,056/m² |
| 9. Blk 3D | $927,500 | $9,730/m² |
| 10. Blk 8B | $914,000 | $11,851/m² |
| 11. Blk 3B | $910,000 | $10,111/m² |
| 12. Blk 8A | $889,444 | $11,728/m² |
| 13. Blk 13 | $855,000 | $8,382/m² |
| 14. Blk 14A | $830,444 | $7,683/m² |
| 15. Blk 5A | $709,000 | $10,552/m² |
Showing the top 15 of 21 blocks.
The median resale price over the last 24 months is $910,000 (11 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 4-room flat here, our price model estimates $818,627–$915,752 (central estimate $867,190). Recent sales — median $870,000 — sit within that range.
The median monthly rent is $4,200/mo over the last 12 months (9 contracts).
The block was completed in 2005 and its 99-year lease runs from 2006.