Block 505 Serangoon North Avenue 4
Block 505 Serangoon North Avenue 4 has 15 recorded HDB resale transactions since 2017. Latest sale: $810,000 (Aug 2026, 5 room, floors 10–12). Median $5,200/sqm. Prices up 33.3% over the past five years. Built 1992, 65 years lease remaining.
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 |
|---|---|---|---|
| 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 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 505 Serangoon North Avenue 4 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 |
|---|---|---|---|---|---|
| Aug 2026 | 10 TO 12 | 5 ROOM | 124 sqm | $810,000 | $6,532 |
| Dec 2024 | 10 TO 12 | 5 ROOM | 124 sqm | $770,000 | $6,210 |
| Jul 2024 | 04 TO 06 | 5 ROOM | 124 sqm | $745,000 | $6,008 |
| Jan 2024 | 10 TO 12 | 5 ROOM | 124 sqm | $710,000 | $5,726 |
| Aug 2023 | 07 TO 09 | 5 ROOM | 124 sqm | $738,000 | $5,952 |
| Mar 2023 | 04 TO 06 | 5 ROOM | 124 sqm | $688,000 | $5,548 |
| Dec 2022 | 04 TO 06 | 5 ROOM | 124 sqm | $645,000 | $5,202 |
| Aug 2021 | 07 TO 09 | 5 ROOM | 125 sqm | $650,000 | $5,200 |
| Jun 2021 | 04 TO 06 | 5 ROOM | 124 sqm | $565,000 | $4,556 |
| Nov 2019 | 04 TO 06 | 5 ROOM | 125 sqm | $485,000 | $3,880 |
| Oct 2018 | 07 TO 09 | 5 ROOM | 124 sqm | $523,000 | $4,218 |
| Jul 2018 | 10 TO 12 | 5 ROOM | 124 sqm | $515,000 | $4,153 |
| Feb 2018 | 07 TO 09 | 5 ROOM | 124 sqm | $530,000 | $4,274 |
| Jan 2018 | 04 TO 06 | 5 ROOM | 124 sqm | $445,000 | $3,589 |
| Feb 2017 | 07 TO 09 | 5 ROOM | 124 sqm | $470,000 | $3,790 |
About Block 505 Serangoon North Avenue 4
Resale prices at Block 505 Serangoon North Avenue 4 in Serangoon have risen sharply, up about 33.3% over the past five years. Its median runs about 24% above the Serangoon median, ahead of around 70% of the town's blocks. It has a relatively light resale record, with 15 transactions since 2017 across 5 room flats priced from $445,000 to $810,000. The most recent transaction was a 5 room flat on storeys 10 TO 12 at $810,000 in Aug 2026, and the median works out to $5,200/sqm. Floor level matters here: units on the higher 10 TO 12 band have sold around 22% above those on the 04 TO 06 band. On Bala's Table, the SLA's leasehold valuation model, its relativity ratio works out to 0.8940, equivalent to roughly 0.41% 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 505 Serangoon North Avenue 4 worth?
The most recent resale transaction at Block 505 Serangoon North Avenue 4 was $810,000 for a 5 room flat in 2026-08. The median price per square metre across all flat types is $5,200, based on 15 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 505 Serangoon North Avenue 4?
Block 505 Serangoon North Avenue 4 was built in 1992 and has approximately 65 years and 3 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.41%, meaning the leasehold value decreases by approximately 0.41% per year at the current remaining lease.
What flat types are available at Block 505 Serangoon North Avenue 4?
Block 505 Serangoon North Avenue 4 in Serangoon contains 5 room flats. Resale prices range from $445,000 to $810,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 505 Serangoon North Avenue 4 gone up or down?
Resale prices at Block 505 Serangoon North Avenue 4 have increased by approximately 33.3% over the past five years. The current median price is $645,000, with the most recent sale at $810,000 in 2026-08.