Block 21 Joo Seng Rd
21 Joo Seng Rd, Singapore 360021
Block 21 Joo Seng Rd is an HDB block in Toa Payoh, completed in 1987, with 58 dwelling units. Executive flats have recently resold around S$810k (146 sqm), from 68 resales on record. The lease has approximately 63 years remaining.
What are the key facts about Block 21 Joo Seng Rd?
Block 21 Joo Seng Rd is an HDB block in Toa Payoh, completed in 1987, with 58 dwelling units.
- Town
- Toa Payoh
- Planning area
- Toa Payoh
- Completed
- 1987
- Storeys
- 11
- Total units
- 58
- Market segment
- RCR
- Median resale
- S$810k
- Last transacted
- Mar 2025
- Remaining lease
- ≈ 63 years
What are resale prices at Block 21 Joo Seng Rd?
Executive flats have recently resold around S$810k (S$485 psf), from 68 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| Executive | 68 | S$810,000recent | 146 sqm | S$485 psf |
“Recent” medians use the latest transactions; for older blocks the all-time median spans 30+ years and understates today’s price. Source: HDB resale caveats, through Mar 2025.
What has recently sold at Block 21 Joo Seng Rd?
Block 21 Joo Seng Rd has 68 recorded resales; the most recent transacted at S$875,000 in Mar 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Mar 2025 | Executive | 01 TO 03 | 151 sqm | S$875,000 |
| Feb 2025 | Executive | 01 TO 03 | 146 sqm | S$930,000 |
| Jan 2025 | Executive | 10 TO 12 | 146 sqm | S$1,030,000 |
| Nov 2024 | Executive | 07 TO 09 | 152 sqm | S$1,200,000 |
| Nov 2023 | Executive | 04 TO 06 | 146 sqm | S$880,000 |
| Jul 2023 | Executive | 10 TO 12 | 146 sqm | S$838,000 |
| Apr 2022 | Executive | 04 TO 06 | 155 sqm | S$810,000 |
| Jan 2021 | Executive | 10 TO 12 | 146 sqm | S$690,000 |
| Dec 2020 | Executive | 04 TO 06 | 146 sqm | S$668,000 |
| Jun 2019 | Executive | 04 TO 06 | 146 sqm | S$645,000 |
| Jun 2019 | Executive | 07 TO 09 | 146 sqm | S$696,000 |
| Jan 2019 | Executive | 07 TO 09 | 155 sqm | S$688,000 |
What flat types are in Block 21 Joo Seng Rd?
Block 21 Joo Seng Rd has 58 units, mostly Executive flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 21 Joo Seng Rd from MRT and schools?
The nearest MRT/LRT to Block 21 Joo Seng Rd is Mattar MRT, about 842 m away (~13 min walk). 5 schools are within 1 km, including 2 primary schools.
Getting around
- Mattar MRT842 m · ~13 min
- Tai Seng MRT878 m · ~14 min
- Bartley MRT951 m · ~15 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Cedar Primary SchoolPrimary schoolwithin 1 km · P1 priority580 m
- Bartley Secondary SchoolSecondary schoolwithin 1 km711 m
- Cedar Girls' Secondary SchoolSecondary schoolwithin 1 km740 m
- Canossa Catholic Primary SchoolPrimary schoolwithin 1 km · P1 priority834 m
- Maris Stella High SchoolMixed-level schoolwithin 1 km881 m
- St. Gabriel's Secondary SchoolSecondary school1.5 km
- St Andrew's School (Secondary)Secondary school1.6 km
- St Andrew's School (Junior)Primary school1.7 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 21 Joo Seng Rd?
Buying a flat at Block 21 Joo Seng Rd (~S$810k) needs about S$6,457/mo in income and S$3,041/mo in repayments, after S$18,900 stamp duty and a S$203k downpayment.
Illustrative, for a buyer at the recent median resale price (S$810k) — 25% downpayment (bank-loan basis), 25-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →
Buyer's Stamp Duty
S$18,900
BSD, tiered
Downpayment (25%)
S$203k
cash + CPF
Monthly instalment
S$3,041/mo
25y @ 3.5%
Income required
S$6,457/mo
MSR/TDSR @ stress rate
First-time HDB buyers pay no Additional Buyer’s Stamp Duty (ABSD) and may qualify for CPF Housing Grants of up to S$80,000+, which lower the cash required — these are not included above. An HDB concessionary loan also allows a smaller downpayment.
Frequently asked questions about Block 21 Joo Seng Rd
What is the resale price at Block 21 Joo Seng Rd?⌄
Executive flats at Block 21 Joo Seng Rd have recently resold around S$810k (146 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How many years are left on the lease at Block 21 Joo Seng Rd?⌄
Block 21 Joo Seng Rd has approximately 63 years left on its 99-year lease (completed 1987). This figure is taken from the most recent transacted flat.
How many units are in Block 21 Joo Seng Rd?⌄
Block 21 Joo Seng Rd has 58 dwelling units across up to 11 storeys, mostly executive flats.
What is the nearest MRT to Block 21 Joo Seng Rd?⌄
The nearest MRT/LRT station to Block 21 Joo Seng Rd is Mattar MRT, about 842 m away (~13 min walk).
Which primary schools are within 1 km of Block 21 Joo Seng Rd?⌄
Cedar Primary School, Canossa Catholic Primary School are within 1 km of Block 21 Joo Seng Rd — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 21 Joo Seng Rd a good place to buy an HDB resale flat?⌄
Block 21 Joo Seng Rd sits in Toa Payoh, in the Toa Payoh planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈63 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
