Block 423 Yishun Ave 11
423 Yishun Ave 11, Singapore 760423
Block 423 Yishun Ave 11 is an HDB block in Yishun, completed in 1987, with 110 dwelling units. 4-Room flats have recently resold around S$410k (84 sqm), from 184 resales on record. The lease has approximately 62 years remaining.
What are the key facts about Block 423 Yishun Ave 11?
Block 423 Yishun Ave 11 is an HDB block in Yishun, completed in 1987, with 110 dwelling units.
- Town
- Yishun
- Planning area
- Yishun
- Completed
- 1987
- Storeys
- 12
- Total units
- 110
- Market segment
- OCR
- Median resale
- S$410k
- Last transacted
- Feb 2026
- Remaining lease
- ≈ 62 years
What are resale prices at Block 423 Yishun Ave 11?
4-Room flats have recently resold around S$410k (S$448 psf), from 184 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 184 | S$410,000recent | 84 sqm | S$448 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 Feb 2026.
What has recently sold at Block 423 Yishun Ave 11?
Block 423 Yishun Ave 11 has 184 recorded resales; the most recent transacted at S$490,000 in Feb 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Feb 2026 | 4-Room | 07 TO 09 | 84 sqm | S$490,000 |
| Dec 2025 | 4-Room | 07 TO 09 | 104 sqm | S$550,000 |
| Mar 2025 | 4-Room | 01 TO 03 | 84 sqm | S$468,000 |
| Mar 2025 | 4-Room | 10 TO 12 | 84 sqm | S$500,000 |
| Jun 2024 | 4-Room | 07 TO 09 | 84 sqm | S$458,000 |
| May 2023 | 4-Room | 10 TO 12 | 84 sqm | S$410,000 |
| Jan 2023 | 4-Room | 07 TO 09 | 84 sqm | S$405,000 |
| Aug 2022 | 4-Room | 07 TO 09 | 84 sqm | S$325,000 |
| Aug 2022 | 4-Room | 10 TO 12 | 104 sqm | S$445,000 |
| Aug 2022 | 4-Room | 01 TO 03 | 84 sqm | S$375,000 |
| Aug 2021 | 4-Room | 01 TO 03 | 84 sqm | S$349,000 |
| Aug 2021 | 4-Room | 07 TO 09 | 84 sqm | S$395,000 |
What flat types are in Block 423 Yishun Ave 11?
Block 423 Yishun Ave 11 has 110 units, mostly 4-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 423 Yishun Ave 11 from MRT and schools?
4 schools are within 1 km, including 3 primary schools.
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Northbrooks Secondary SchoolSecondary schoolwithin 1 km418 m
- North View Primary SchoolPrimary schoolwithin 1 km · P1 priority521 m
- Huamin Primary SchoolPrimary schoolwithin 1 km · P1 priority645 m
- Northland Primary SchoolPrimary schoolwithin 1 km · P1 priority847 m
- Chung Cheng High School (Yishun)Secondary school1.3 km
- Naval Base Primary SchoolPrimary school1.3 km
- Orchid Park Secondary SchoolSecondary school1.4 km
- Yishun Town Secondary SchoolSecondary school1.5 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 423 Yishun Ave 11?
Buying a flat at Block 423 Yishun Ave 11 (~S$410k) needs about S$3,268/mo in income and S$1,539/mo in repayments, after S$6,900 stamp duty and a S$103k downpayment.
Illustrative, for a buyer at the recent median resale price (S$410k) — 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$6,900
BSD, tiered
Downpayment (25%)
S$103k
cash + CPF
Monthly instalment
S$1,539/mo
25y @ 3.5%
Income required
S$3,268/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 423 Yishun Ave 11
What is the resale price at Block 423 Yishun Ave 11?⌄
4-Room flats at Block 423 Yishun Ave 11 have recently resold around S$410k (84 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 423 Yishun Ave 11?⌄
Block 423 Yishun Ave 11 has approximately 62 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 423 Yishun Ave 11?⌄
Block 423 Yishun Ave 11 has 110 dwelling units across up to 12 storeys, mostly 4 room flats.
Which primary schools are within 1 km of Block 423 Yishun Ave 11?⌄
North View Primary School, Huamin Primary School, Northland Primary School are within 1 km of Block 423 Yishun Ave 11 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 423 Yishun Ave 11 a good place to buy an HDB resale flat?⌄
Block 423 Yishun Ave 11 sits in Yishun, in the Yishun planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈62 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
