Block 121 Potong Pasir Ave 1
121 Potong Pasir Ave 1, Singapore 350121
Block 121 Potong Pasir Ave 1 is an HDB block in Toa Payoh, completed in 1984, with 177 dwelling units. 5-Room flats have recently resold around S$713k (103 sqm), from 182 resales on record. The lease has approximately 58 years remaining.
What are the key facts about Block 121 Potong Pasir Ave 1?
Block 121 Potong Pasir Ave 1 is an HDB block in Toa Payoh, completed in 1984, with 177 dwelling units.
- Town
- Toa Payoh
- Planning area
- Toa Payoh
- Completed
- 1984
- Storeys
- 21
- Total units
- 177
- Market segment
- RCR
- Median resale
- S$713k
- Last transacted
- Jun 2025
- Remaining lease
- ≈ 58 years
What are resale prices at Block 121 Potong Pasir Ave 1?
5-Room flats have recently resold around S$713k (S$648 psf), from 182 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 3-Room | 50 | S$420,000recent | 75 sqm | S$520 psf |
| 4-Room | 47 | S$568,000recent | 103 sqm | S$512 psf |
| 5-Room | 84 | S$965,000recent | 143 sqm | S$650 psf |
| Executive | 1 | S$225,000 | 150 sqm | S$139 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 Jun 2025.
What has recently sold at Block 121 Potong Pasir Ave 1?
Block 121 Potong Pasir Ave 1 has 182 recorded resales; the most recent transacted at S$600,000 in Jun 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Jun 2025 | 3-Room | 13 TO 15 | 75 sqm | S$600,000 |
| Jun 2025 | 5-Room | 16 TO 18 | 134 sqm | S$968,888 |
| Jan 2025 | 5-Room | 01 TO 03 | 134 sqm | S$960,000 |
| Dec 2024 | 5-Room | 13 TO 15 | 135 sqm | S$1,039,998 |
| Sept 2024 | 3-Room | 01 TO 03 | 75 sqm | S$482,000 |
| Aug 2024 | 5-Room | 10 TO 12 | 159 sqm | S$1,250,000 |
| Apr 2024 | 3-Room | 04 TO 06 | 75 sqm | S$480,000 |
| Mar 2024 | 4-Room | 01 TO 03 | 104 sqm | S$650,000 |
| Mar 2024 | 5-Room | 07 TO 09 | 135 sqm | S$965,000 |
| Mar 2024 | 4-Room | 07 TO 09 | 103 sqm | S$718,000 |
| Jan 2024 | 4-Room | 04 TO 06 | 103 sqm | S$713,000 |
| Oct 2023 | 3-Room | 04 TO 06 | 75 sqm | S$490,000 |
What flat types are in Block 121 Potong Pasir Ave 1?
Block 121 Potong Pasir Ave 1 has 177 units, mostly 4-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 121 Potong Pasir Ave 1 from MRT and schools?
The nearest MRT/LRT to Block 121 Potong Pasir Ave 1 is Potong Pasir MRT, about 621 m away (~10 min walk). 4 schools are within 1 km, including 1 primary school.
Getting around
- Potong Pasir MRT621 m · ~10 min
- Woodleigh MRT695 m · ~11 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- St Andrew's Junior CollegeJunior collegewithin 1 km375 m
- St Andrew's School (Junior)Primary schoolwithin 1 km · P1 priority488 m
- St Andrew's School (Secondary)Secondary schoolwithin 1 km568 m
- Cedar Girls' Secondary SchoolSecondary schoolwithin 1 km953 m
- Cedar Primary SchoolPrimary school1.1 km
- Pei Chun Public SchoolPrimary school1.1 km
- First Toa Payoh Primary SchoolPrimary school1.2 km
- Bendemeer Secondary SchoolSecondary school1.3 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 121 Potong Pasir Ave 1?
Buying a flat at Block 121 Potong Pasir Ave 1 (~S$713k) needs about S$5,684/mo in income and S$2,677/mo in repayments, after S$15,990 stamp duty and a S$178k downpayment.
Illustrative, for a buyer at the recent median resale price (S$713k) — 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$15,990
BSD, tiered
Downpayment (25%)
S$178k
cash + CPF
Monthly instalment
S$2,677/mo
25y @ 3.5%
Income required
S$5,684/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 121 Potong Pasir Ave 1
What is the resale price at Block 121 Potong Pasir Ave 1?⌄
5-Room flats at Block 121 Potong Pasir Ave 1 have recently resold around S$713k (103 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 121 Potong Pasir Ave 1 by flat type?⌄
3-Room ≈ S$420k; 4-Room ≈ S$568k; 5-Room ≈ S$965k; Executive ≈ S$225k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 121 Potong Pasir Ave 1?⌄
Block 121 Potong Pasir Ave 1 has approximately 58 years left on its 99-year lease (completed 1984). This figure is taken from the most recent transacted flat.
How many units are in Block 121 Potong Pasir Ave 1?⌄
Block 121 Potong Pasir Ave 1 has 177 dwelling units across up to 21 storeys, mostly 4 room flats.
What is the nearest MRT to Block 121 Potong Pasir Ave 1?⌄
The nearest MRT/LRT station to Block 121 Potong Pasir Ave 1 is Potong Pasir MRT, about 621 m away (~10 min walk).
Which primary schools are within 1 km of Block 121 Potong Pasir Ave 1?⌄
St Andrew's School (Junior) is within 1 km of Block 121 Potong Pasir Ave 1 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 121 Potong Pasir Ave 1 a good place to buy an HDB resale flat?⌄
Block 121 Potong Pasir Ave 1 sits in Toa Payoh, in the Toa Payoh planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈58 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
