Blk 3A Upp Boon Keng Rd is an HDB block in Kallang/Whampoa (completed in 2006, 26 storeys, 175 units). As of Jul 2026, its median resale price over the last 24 months is $950,000, about 44% above the Kallang/Whampoa median, from 3 sales. 57 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Kallang/Whampoa |
|---|---|
| Completed | 2006 |
| Lease from | 2006 |
| Storeys | 26 |
| Dwelling units | 175 |
| Unit mix (sold) | 4-room ×127 · 5-room ×48 |
| Recorded resales | 57 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $915,000 | $10,765/m² | 2 |
| 5-Room | $1,038,000 | $9,436/m² | 1 |
Median monthly rent at this block: $3,400/mo (5 rental contracts, last 12 months).
Estimated gross rental yield: ~4.3% (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 11% of Kallang/Whampoa blocks with recent sales.
For a typical 4-room flat here, our price model estimates $700,854–$784,006 (central estimate $742,430). Recent sales — median $872,969 — sit above 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 | $577,500 | $775,929 | 4 |
| 2011 | $655,000 | $836,146 | 1 |
| 2013 | $659,000 | $785,827 | 6 |
| 2014 | $675,000 | $796,668 | 3 |
| 2015 | $650,888 | $772,247 | 3 |
| 2016 | $672,500 | $802,133 | 6 |
| 2017 | $706,000 | $837,261 | 3 |
| 2018 | $697,500 | $823,570 | 6 |
| 2019 | $705,000 | $827,728 | 3 |
| 2020 | $780,000 | $917,364 | 3 |
| 2021 | $690,000 | $793,145 | 4 |
| 2022 | $744,000 | $805,812 | 4 |
| 2023 | $855,000 | $883,338 | 6 |
| 2024 | $915,000 | $923,262 | 4 |
| 2025 | $1,038,000 | $1,038,000 | 1 |
| Record sale | $1,038,000 (5-Room, 2025-08) |
|---|---|
| First recorded sale | $530,000 (2010-01) |
| Busiest year | 2013 · 6 sales |
| 10-year change (real) | +34% (+3.0%/yr, 2015→2025) |
| Total transacted | $41.6M across 57 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-08 | 5-Room | 04 TO 06 | 110 | $1,038,000 |
| 2024-09 | 4-Room | 25 TO 27 | 85 | $950,000 |
| 2024-08 | 4-Room | 10 TO 12 | 85 | $880,000 |
| 2024-02 | 4-Room | 19 TO 21 | 85 | $860,000 |
| 2024-01 | 5-Room | 13 TO 15 | 110 | $1,024,000 |
| 2023-07 | 4-Room | 07 TO 09 | 90 | $860,000 |
| 2023-07 | 4-Room | 16 TO 18 | 90 | $870,000 |
| 2023-05 | 5-Room | 07 TO 09 | 110 | $920,000 |
| 2023-03 | 4-Room | 01 TO 03 | 85 | $618,000 |
| 2023-03 | 4-Room | 25 TO 27 | 85 | $850,000 |
| 2023-02 | 4-Room | 04 TO 06 | 85 | $735,000 |
| 2022-10 | 5-Room | 01 TO 03 | 110 | $770,000 |
| 2022-05 | 4-Room | 07 TO 09 | 85 | $718,000 |
| 2022-04 | 4-Room | 01 TO 03 | 90 | $570,000 |
| 2022-04 | 5-Room | 16 TO 18 | 110 | $835,000 |
| 2021-10 | 4-Room | 22 TO 24 | 90 | $798,000 |
| 2021-08 | 4-Room | 01 TO 03 | 90 | $640,000 |
| 2021-08 | 5-Room | 04 TO 06 | 110 | $740,000 |
| 2021-03 | 4-Room | 16 TO 18 | 90 | $620,000 |
| 2020-11 | 5-Room | 07 TO 09 | 110 | $780,000 |
| 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 $950,000 (3 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 $700,854–$784,006 (central estimate $742,430). Recent sales — median $872,969 — sit above that range.
The median monthly rent is $3,400/mo over the last 12 months (5 contracts).
The block was completed in 2006 and its 99-year lease runs from 2006.