Block 401 Serangoon Avenue 1
Block 401 Serangoon Avenue 1 has 27 recorded HDB resale transactions since 2017. Latest sale: $838,888 (May 2026, 4 room, floors 01–03). Median $6,000/sqm. Prices up 44.6% over the past five years. Built 1989, 61 years lease remaining.
How this block compares
- 4 Room$838,888+27.1%vs town(+$179k)+33.2%vs national(+$209k)
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 Serangoon average.
| Flat type | Median rent /mo | Gross yield | Based on |
|---|---|---|---|
| 4-Room | $3,400 typically $3,100–$3,700 | 6.2% | Serangoon avg · block too thin |
| 5-Room | $3,600 typically $3,400–$3,900 | 5.2% | Serangoon avg · block too thin |
This block is inside the 1 km Primary 1 priority zone for 2 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 401 Serangoon Avenue 1 in Serangoon, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| May 2026 | 01 TO 03 | 4 ROOM | 105 sqm | $838,888 | $7,989 |
| Mar 2026 | 04 TO 06 | 4 ROOM | 105 sqm | $852,500 | $8,119 |
| Sep 2025 | 04 TO 06 | 4 ROOM | 103 sqm | $790,000 | $7,670 |
| Jul 2025 | 10 TO 12 | 4 ROOM | 109 sqm | $855,000 | $7,844 |
| Feb 2025 | 01 TO 03 | 4 ROOM | 105 sqm | $795,888 | $7,580 |
| Jan 2024 | 04 TO 06 | 5 ROOM | 121 sqm | $862,000 | $7,124 |
| Dec 2023 | 10 TO 12 | 4 ROOM | 93 sqm | $678,000 | $7,290 |
| Nov 2023 | 01 TO 03 | 4 ROOM | 109 sqm | $750,000 | $6,881 |
| May 2022 | 07 TO 09 | 4 ROOM | 109 sqm | $670,000 | $6,147 |
| Jun 2021 | 04 TO 06 | 4 ROOM | 93 sqm | $560,000 | $6,022 |
| May 2021 | 07 TO 09 | 4 ROOM | 109 sqm | $632,000 | $5,798 |
| Jan 2021 | 04 TO 06 | 4 ROOM | 105 sqm | $580,000 | $5,524 |
| Oct 2020 | 04 TO 06 | 4 ROOM | 105 sqm | $598,000 | $5,695 |
| Jun 2020 | 04 TO 06 | 4 ROOM | 93 sqm | $515,000 | $5,538 |
| Jan 2020 | 07 TO 09 | 4 ROOM | 105 sqm | $630,000 | $6,000 |
| Apr 2019 | 07 TO 09 | 4 ROOM | 103 sqm | $560,000 | $5,437 |
| Apr 2019 | 04 TO 06 | 4 ROOM | 103 sqm | $612,000 | $5,942 |
| Mar 2019 | 01 TO 03 | 4 ROOM | 105 sqm | $575,000 | $5,476 |
| Mar 2019 | 10 TO 12 | 5 ROOM | 121 sqm | $755,000 | $6,240 |
| Feb 2019 | 07 TO 09 | 5 ROOM | 121 sqm | $745,000 | $6,157 |
About Block 401 Serangoon Avenue 1
Resale prices at Block 401 Serangoon Avenue 1 in Serangoon have risen sharply, up about 44.6% over the past five years. Its median runs about 25% above the Serangoon median, ahead of around 70% of the town's blocks. It has a regular flow of resale activity, with 27 transactions since 2017 across 4 room, 5 room flats priced from $508,000 to $862,000. The most recent transaction was a 4 room flat on storeys 01 TO 03 at $838,888 in May 2026, and the median works out to $6,000/sqm. On Bala's Table, the SLA's leasehold valuation model, its relativity ratio works out to 0.8808, equivalent to roughly 0.47% 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 401 Serangoon Avenue 1 worth?
The most recent resale transaction at Block 401 Serangoon Avenue 1 was $838,888 for a 4 room flat in 2026-05. The median price per square metre across all flat types is $6,000, based on 27 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 401 Serangoon Avenue 1?
Block 401 Serangoon Avenue 1 was built in 1989 and has approximately 61 years and 10 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.47%, meaning the leasehold value decreases by approximately 0.47% per year at the current remaining lease.
What flat types are available at Block 401 Serangoon Avenue 1?
Block 401 Serangoon Avenue 1 in Serangoon contains 4 room, 5 room flats. Resale prices range from $508,000 to $862,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 401 Serangoon Avenue 1 gone up or down?
Resale prices at Block 401 Serangoon Avenue 1 have increased by approximately 44.6% over the past five years. The current median price is $650,000, with the most recent sale at $838,888 in 2026-05.