Blk 15 Upp Boon Keng Rd
Completed 1974 · 16 storeys · 210 flats · 47 years 09 months remaining · 33 resale transactions on record
16 storeys · completed 1974
What the record shows
A 4-room here sold for $546,800 in Jun 2026. The same flat type in this block averaged $447,333 in 2021 - a gain of $99,467 - about $55 a day while the owner slept.
In this block, 4-room flats from floor 11 up have sold for a median of $535,900 - $47,900 more than floors 5 and below, same flat type, same block.
This block crossed 60 years remaining in 2014 - the line where CPF usage rules tighten for buyers. In Kallang/Whampoa over the last two years, flats below that line sold at a median 37% below their younger neighbours' PSF (849 sales).
Across Kallang/Whampoa, roughly 411 flats in newly-completed blocks reach the end of MOP between 2026 and 2028 - new sellers entering this market.
Rent check
What flats in this block actually rented for in the last 12 months - official approvals, not listings. If you’re quoted much more, you have a number to negotiate with.
| Type | Block median | Range | Kallang/Whampoa median | Gross yield | Rented |
|---|---|---|---|---|---|
| 4-ROOM | $3,600/mo | $2,400–$3,800 | $3,800/mo | - | 7 |
Price trend
median PSF by year · ━ this block · ╌ Kallang/Whampoa · gaps = years with no sales here
The height gradient
every sale in 5 years, plotted by starting floor · 20 sales - do higher floors really fetch more here?
Every recent sale HDB official record, latest 30
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Jun 2026 | 4 ROOM | 13 to 15 | 88 | $546,800 | $577 | 47y 09m |
| Jun 2026 | 4 ROOM | 10 to 12 | 88 | $540,000 | $570 | 47y 09m |
| Mar 2026 | 4 ROOM | 04 to 06 | 88 | $535,000 | $565 | 47y 11m |
| Dec 2025 | 4 ROOM | 07 to 09 | 88 | $588,000 | $621 | 48y 03m |
| Nov 2025 | 4 ROOM | 13 to 15 | 88 | $525,000 | $554 | 48y 04m |
| Jul 2025 | 4 ROOM | 07 to 09 | 88 | $568,000 | $600 | 48y 08m |
| May 2025 | 4 ROOM | 10 to 12 | 88 | $548,000 | $579 | 48y 10m |
| Jan 2025 | 4 ROOM | 13 to 15 | 88 | $610,000 | $644 | 49y 02m |
| Nov 2024 | 4 ROOM | 01 to 03 | 88 | $545,000 | $575 | 49y 04m |
| Dec 2023 | 4 ROOM | 01 to 03 | 88 | $500,000 | $528 | 50y 03m |
| Dec 2023 | 4 ROOM | 10 to 12 | 88 | $555,000 | $586 | 50y 03m |
| Sept 2022 | 4 ROOM | 07 to 09 | 88 | $500,000 | $528 | 51y 06m |
| Aug 2022 | 4 ROOM | 01 to 03 | 88 | $468,000 | $494 | 51y 07m |
| Apr 2022 | 4 ROOM | 01 to 03 | 88 | $436,000 | $460 | 51y 11m |
| Apr 2022 | 4 ROOM | 10 to 12 | 88 | $510,000 | $538 | 51y 11m |
| Feb 2022 | 4 ROOM | 10 to 12 | 88 | $430,000 | $454 | 52y 01m |
| Dec 2021 | 4 ROOM | 07 to 09 | 88 | $445,000 | $470 | 52y 03m |
| Oct 2021 | 4 ROOM | 04 to 06 | 88 | $476,000 | $503 | 52y 05m |
| Sept 2021 | 4 ROOM | 13 to 15 | 88 | $430,000 | $454 | 52y 06m |
| Aug 2021 | 4 ROOM | 07 to 09 | 88 | $440,000 | $465 | 52y 07m |
| May 2021 | 4 ROOM | 07 to 09 | 88 | $435,000 | $459 | 52y 10m |
| Jan 2021 | 4 ROOM | 13 to 15 | 88 | $424,000 | $448 | 53y 02m |
| Feb 2020 | 4 ROOM | 01 to 03 | 88 | $408,000 | $431 | 54y |
| Jan 2020 | 4 ROOM | 10 to 12 | 88 | $439,000 | $463 | 54y 01m |
| Nov 2019 | 4 ROOM | 04 to 06 | 88 | $400,000 | $422 | 54y 03m |
| Nov 2019 | 4 ROOM | 07 to 09 | 88 | $418,000 | $441 | 54y 03m |
| Aug 2019 | 4 ROOM | 10 to 12 | 88 | $428,000 | $452 | 54y 06m |
| Jun 2019 | 4 ROOM | 07 to 09 | 88 | $418,000 | $441 | 54y 08m |
| Oct 2018 | 4 ROOM | 04 to 06 | 88 | $445,000 | $470 | 55y 05m |
| Jun 2018 | 4 ROOM | 04 to 06 | 88 | $448,000 | $473 | 55y 09m |
The neighbourhood
What sits around this address - distances computed from official OneMap and LTA records.
Around this block
The nearest blocks by actual distance - street names are postal artifacts, so true neighbours often sit on a different road. Price gaps are median-vs-median on the flat type both blocks actually trade.
built 1974 · same generation
4-room median $253k above this block · 5 vs 9 sales
built 1997 · 24 more lease years than this block
4-room median $308k above this block · 5 vs 9 sales
built 1973 · same generation
built 1974 · same generation
Condos nearby
Grounded in this block’s own resale record, trend and lease - ask away.