Blk 21 Joo Seng Rd is an HDB block in Toa Payoh (completed in 1987, 11 storeys, 58 units). As of Jul 2026, its median resale price over the last 24 months is $980,000, about 4% above the Toa Payoh median, from 5 sales. 69 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Toa Payoh |
|---|---|
| Completed | 1987 |
| Lease from | 1988 |
| Storeys | 11 |
| Dwelling units | 58 |
| Unit mix (sold) | exec ×58 |
| Recorded resales | 69 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| Executive | $980,000 | $6,712/m² | 5 |
Median monthly rent at this block: $3,500/mo (1 rental contracts, last 12 months).
Estimated gross rental yield: ~4.3% (Toa Payoh average: ~4.1%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 46% of Toa Payoh blocks with recent sales.
For a typical executive flat here, our price model estimates $1,046,822–$1,171,021 (central estimate $1,108,922). Recent sales — median $919,583 — sit below 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 |
|---|---|---|---|
| 1993 | $350,000 | $605,671 | 5 |
| 1994 | $350,000 | $587,494 | 4 |
| 1995 | $450,000 | $742,540 | 7 |
| 1996 | $607,500 | $988,782 | 4 |
| 1997 | $575,000 | $917,329 | 1 |
| 1998 | $480,000 | $767,858 | 5 |
| 1999 | $467,500 | $747,684 | 5 |
| 2000 | $478,500 | $755,092 | 6 |
| 2001 | $445,000 | $695,182 | 3 |
| 2002 | $419,000 | $657,139 | 2 |
| 2003 | $350,000 | $546,257 | 3 |
| 2004 | $340,000 | $521,923 | 1 |
| 2005 | $309,000 | $472,102 | 2 |
| 2006 | $355,000 | $537,193 | 1 |
| 2008 | $430,000 | $597,585 | 1 |
| 2010 | $510,000 | $685,236 | 1 |
| 2011 | $560,000 | $714,873 | 1 |
| 2014 | $689,000 | $813,191 | 2 |
| 2016 | $655,000 | $781,260 | 1 |
| 2017 | $665,000 | $788,638 | 1 |
| 2019 | $688,000 | $807,769 | 3 |
| 2020 | $668,000 | $785,640 | 1 |
| 2021 | $690,000 | $793,145 | 1 |
| 2022 | $810,000 | $877,295 | 1 |
| 2023 | $859,000 | $887,470 | 2 |
| 2024 | $1,200,000 | $1,210,836 | 1 |
| 2025 | $930,000 | $930,000 | 3 |
| 2026 | $980,000 | $980,000 | 1 |
| Record sale | $1,200,000 (Executive, 2024-11) |
|---|---|
| First recorded sale | $230,000 (1993-03) |
| Busiest year | 1995 · 7 sales |
| 10-year change (real) | +25% (+2.3%/yr, 2016→2026) |
| Total transacted | $36.7M across 69 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-07 | Executive | 07 TO 09 | 146 | $980,000 |
| 2025-03 | Executive | 01 TO 03 | 151 | $875,000 |
| 2025-02 | Executive | 01 TO 03 | 146 | $930,000 |
| 2025-01 | Executive | 10 TO 12 | 146 | $1,030,000 |
| 2024-11 | Executive | 07 TO 09 | 152 | $1,200,000 |
| 2023-11 | Executive | 04 TO 06 | 146 | $880,000 |
| 2023-07 | Executive | 10 TO 12 | 146 | $838,000 |
| 2022-04 | Executive | 04 TO 06 | 155 | $810,000 |
| 2021-01 | Executive | 10 TO 12 | 146 | $690,000 |
| 2020-12 | Executive | 04 TO 06 | 146 | $668,000 |
| 2019-06 | Executive | 04 TO 06 | 146 | $645,000 |
| 2019-06 | Executive | 07 TO 09 | 146 | $696,000 |
| 2019-01 | Executive | 07 TO 09 | 155 | $688,000 |
| 2017-10 | Executive | 04 TO 06 | 146 | $665,000 |
| 2016-07 | Executive | 04 TO 06 | 155 | $655,000 |
| 2014-09 | Executive | 04 TO 06 | 146 | $678,000 |
| 2014-04 | Executive | 07 TO 09 | 146 | $700,000 |
| 2011-04 | Executive | 01 TO 03 | 152 | $560,000 |
| 2010-02 | Executive | 10 TO 12 | 146 | $510,000 |
| 2008-08 | Executive | 04 TO 06 | 146 | $430,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 21 | $980,000 | $6,712/m² |
| 2. Blk 8 | $918,000 | $6,851/m² |
| 3. Blk 9 | $880,000 | $9,565/m² |
| 4. Blk 12 | $831,500 | $6,299/m² |
| 5. Blk 16 | $830,000 | $6,288/m² |
| 6. Blk 14 | $811,000 | $6,144/m² |
| 7. Blk 11 | $785,888 | $6,389/m² |
| 8. Blk 19 | $758,000 | $6,317/m² |
| 9. Blk 10 | $740,000 | $6,218/m² |
| 10. Blk 13 | $638,000 | $6,194/m² |
| 11. Blk 15 | $619,500 | $5,930/m² |
| 12. Blk 18 | $607,500 | $5,928/m² |
| 13. Blk 17 | $600,000 | $5,825/m² |
The median resale price over the last 24 months is $980,000 (5 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical executive flat here, our price model estimates $1,046,822–$1,171,021 (central estimate $1,108,922). Recent sales — median $919,583 — sit below that range.
The median monthly rent is $3,500/mo over the last 12 months (1 contracts).
The block was completed in 1987 and its 99-year lease runs from 1988.