Block 423 Yishun Avenue 11
Block 423 Yishun Avenue 11 has 26 recorded HDB resale transactions since 2017. Latest sale: $490,000 (Feb 2026, 4 room, floors 07–09). Median $3,839/sqm. Prices up 41.8% over the past five years. Built 1988, 61 years lease remaining.
How this block compares
- 4 Room$520,000−7.1%vs town(−$40k)−17.5%vs national(−$110k)
Median of resales in the 12 months to Jul 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 Yishun average.
| Flat type | Median rent /mo | Gross yield | Based on |
|---|---|---|---|
| 4-Room | $3,100 typically $2,900–$3,300 | 6.6% | Yishun 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 423 Yishun Avenue 11 in Yishun, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Feb 2026 | 07 TO 09 | 4 ROOM | 84 sqm | $490,000 | $5,833 |
| Dec 2025 | 07 TO 09 | 4 ROOM | 104 sqm | $550,000 | $5,288 |
| Mar 2025 | 01 TO 03 | 4 ROOM | 84 sqm | $468,000 | $5,571 |
| Mar 2025 | 10 TO 12 | 4 ROOM | 84 sqm | $500,000 | $5,952 |
| Jun 2024 | 07 TO 09 | 4 ROOM | 84 sqm | $458,000 | $5,452 |
| May 2023 | 10 TO 12 | 4 ROOM | 84 sqm | $410,000 | $4,881 |
| Jan 2023 | 07 TO 09 | 4 ROOM | 84 sqm | $405,000 | $4,821 |
| Aug 2022 | 07 TO 09 | 4 ROOM | 84 sqm | $325,000 | $3,869 |
| Aug 2022 | 01 TO 03 | 4 ROOM | 84 sqm | $375,000 | $4,464 |
| Aug 2022 | 10 TO 12 | 4 ROOM | 104 sqm | $445,000 | $4,279 |
| Aug 2021 | 01 TO 03 | 4 ROOM | 84 sqm | $349,000 | $4,155 |
| Aug 2021 | 07 TO 09 | 4 ROOM | 84 sqm | $395,000 | $4,702 |
| Apr 2021 | 04 TO 06 | 4 ROOM | 84 sqm | $332,000 | $3,952 |
| Feb 2020 | 01 TO 03 | 4 ROOM | 104 sqm | $317,000 | $3,048 |
| Feb 2020 | 04 TO 06 | 4 ROOM | 84 sqm | $283,000 | $3,369 |
| Aug 2019 | 01 TO 03 | 4 ROOM | 84 sqm | $265,000 | $3,155 |
| Aug 2019 | 04 TO 06 | 4 ROOM | 84 sqm | $270,000 | $3,214 |
| Jul 2019 | 10 TO 12 | 4 ROOM | 84 sqm | $280,000 | $3,333 |
| Mar 2019 | 07 TO 09 | 4 ROOM | 84 sqm | $305,000 | $3,631 |
| Mar 2019 | 04 TO 06 | 4 ROOM | 104 sqm | $333,000 | $3,202 |
About Block 423 Yishun Avenue 11
Block 423 Yishun Avenue 11 is one of the more affordable HDB blocks in Yishun, with a median of $332,500 below most of the town. It has a regular flow of resale activity, with 26 transactions since 2017 across 4 room flats priced from $265,000 to $550,000. The most recent transaction was a 4 room flat on storeys 07 TO 09 at $490,000 in Feb 2026, and the median works out to $3,839/sqm. Higher floors carry a premium, with the 10 TO 12 band trading roughly 28% above the 01 TO 03 band. Over five years, prices here are up about 41.8%. Under Bala's Table (the SLA leasehold valuation model), its leasehold relativity ratio is 0.8798, an annual lease decay of about 0.48%. All transaction data is sourced from data.gov.sg and updated monthly.
Frequently Asked Questions
How much is an HDB flat at Block 423 Yishun Avenue 11 worth?
The most recent resale transaction at Block 423 Yishun Avenue 11 was $490,000 for a 4 room flat in 2026-02. The median price per square metre across all flat types is $3,839, based on 26 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 423 Yishun Avenue 11?
Block 423 Yishun Avenue 11 was built in 1988 and has approximately 61 years and 7 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.48%, meaning the leasehold value decreases by approximately 0.48% per year at the current remaining lease.
What flat types are available at Block 423 Yishun Avenue 11?
Block 423 Yishun Avenue 11 in Yishun contains 4 room flats. Resale prices range from $265,000 to $550,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 423 Yishun Avenue 11 gone up or down?
Resale prices at Block 423 Yishun Avenue 11 have increased by approximately 41.8% over the past five years. The current median price is $332,500, with the most recent sale at $490,000 in 2026-02.