Block 21 Joo Seng Road
Block 21 Joo Seng Road has 15 recorded HDB resale transactions since 2017. Latest sale: $972,888 (Oct 2026, executive, floors 10–12). Median $5,740/sqm. Prices up 41% over the past five years. Built 1988, 61 years lease remaining.
Blk 21 at $838K sits 50% above Toa Payoh's $560K town median, pricier than 78% of its 309 priced blocks. See all HDB prices in Toa Payoh →
How this block compares
- Executive$976,444−0.4%vs town(−$4k)+6.7%vs national(+$61k)
Median of resales in the 12 months to Oct 2026, compared with town and Singapore medians on the same basis. Flat types with fewer than two sales in the window are omitted.
What this block rents for, and the gross rental yield (annual rent ÷ resale price). This block has too few rentals on record, so figures shown are the Toa Payoh average.
| Flat type | Median rent /mo | Gross yield | Based on |
|---|---|---|---|
| Executive | $3,900 typically $3,200–$4,500 | 4.8% | Toa Payoh avg · block too thin |
This block is inside the 1 km Primary 1 priority zone for 3 popular schools. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.
- This home
- School within 1 km
- School 1–2 km
- 1km ring, top priority
- 2km ring, next tier
Straight-line distances, the basis MOE uses for Home–School Distance priority. Tap a school to open it. Map © OneMap, SLA.
Other HDB blocks closest to Block 21 Joo Seng Road in Toa Payoh, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Oct 2026 | 10 TO 12 | EXECUTIVE | 146 sqm | $972,888 | $6,664 |
| Jul 2026 | 07 TO 09 | EXECUTIVE | 146 sqm | $980,000 | $6,712 |
| Mar 2025 | 01 TO 03 | EXECUTIVE | 151 sqm | $875,000 | $5,795 |
| Feb 2025 | 01 TO 03 | EXECUTIVE | 146 sqm | $930,000 | $6,370 |
| Jan 2025 | 10 TO 12 | EXECUTIVE | 146 sqm | $1,030,000 | $7,055 |
| Nov 2024 | 07 TO 09 | EXECUTIVE | 152 sqm | $1,200,000 | $7,895 |
| Nov 2023 | 04 TO 06 | EXECUTIVE | 146 sqm | $880,000 | $6,027 |
| Jul 2023 | 10 TO 12 | EXECUTIVE | 146 sqm | $838,000 | $5,740 |
| Apr 2022 | 04 TO 06 | EXECUTIVE | 155 sqm | $810,000 | $5,226 |
| Jan 2021 | 10 TO 12 | EXECUTIVE | 146 sqm | $690,000 | $4,726 |
| Dec 2020 | 04 TO 06 | EXECUTIVE | 146 sqm | $668,000 | $4,575 |
| Jun 2019 | 04 TO 06 | EXECUTIVE | 146 sqm | $645,000 | $4,418 |
| Jun 2019 | 07 TO 09 | EXECUTIVE | 146 sqm | $696,000 | $4,767 |
| Jan 2019 | 07 TO 09 | EXECUTIVE | 155 sqm | $688,000 | $4,439 |
| Oct 2017 | 04 TO 06 | EXECUTIVE | 146 sqm | $665,000 | $4,555 |
About Block 21 Joo Seng Road
A flat at Block 21 Joo Seng Road in Toa Payoh has reached $1,200,000 (Nov 2024), putting it in the small group of HDB blocks that have crossed the million-dollar mark. Its median runs about 50% above the Toa Payoh median, ahead of around 78% of the town's blocks. It has a relatively light resale record, with 15 transactions since 2017 across executive flats priced from $645,000 to $1,200,000. The most recent transaction was an executive flat on storeys 10 TO 12 at $972,888 in Oct 2026, and the median works out to $5,740/sqm. Floor level matters here: units on the higher 10 TO 12 band have sold around 36% above those on the 04 TO 06 band. Over five years, prices here are up about 41%. On Bala's Table, the SLA's leasehold valuation model, its relativity ratio works out to 0.8774, equivalent to roughly 0.49% of lease-value decay a year. All transaction data is sourced from data.gov.sg and updated monthly.
Frequently Asked Questions
How much is an HDB flat at Block 21 Joo Seng Road worth?
The most recent resale transaction at Block 21 Joo Seng Road was $972,888 for a executive flat in 2026-10. The median price per square metre across all flat types is $5,740, based on 15 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 21 Joo Seng Road?
Block 21 Joo Seng Road was built in 1988 and has approximately 61 years remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.49%, meaning the leasehold value decreases by approximately 0.49% per year at the current remaining lease.
What flat types are available at Block 21 Joo Seng Road?
Block 21 Joo Seng Road in Toa Payoh contains executive flats. Resale prices range from $645,000 to $1,200,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 21 Joo Seng Road gone up or down?
Resale prices at Block 21 Joo Seng Road have increased by approximately 41% over the past five years. The current median price is $838,000, with the most recent sale at $972,888 in 2026-10.