Block 121 Serangoon North Avenue 1
Block 121 Serangoon North Avenue 1 has 16 recorded HDB resale transactions since 2017. Latest sale: $660,000 (Mar 2025, 5 room, floors 01–03). Median $4,248/sqm. Prices up 31.2% over the past five years. Built 1985, 59 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 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 121 Serangoon North 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 |
|---|---|---|---|---|---|
| Mar 2025 | 01 TO 03 | 5 ROOM | 121 sqm | $660,000 | $5,455 |
| Jan 2025 | 07 TO 09 | 5 ROOM | 125 sqm | $725,000 | $5,800 |
| Dec 2024 | 10 TO 12 | 5 ROOM | 121 sqm | $723,000 | $5,975 |
| Dec 2024 | 10 TO 12 | 5 ROOM | 123 sqm | $735,000 | $5,976 |
| May 2023 | 07 TO 09 | 5 ROOM | 123 sqm | $648,000 | $5,268 |
| Feb 2023 | 10 TO 12 | 5 ROOM | 121 sqm | $650,000 | $5,372 |
| Aug 2022 | 04 TO 06 | 5 ROOM | 121 sqm | $555,000 | $4,587 |
| Jun 2021 | 07 TO 09 | 5 ROOM | 121 sqm | $528,000 | $4,364 |
| Jul 2020 | 10 TO 12 | 5 ROOM | 121 sqm | $490,000 | $4,050 |
| Dec 2019 | 07 TO 09 | 5 ROOM | 125 sqm | $483,000 | $3,864 |
| Oct 2019 | 07 TO 09 | 5 ROOM | 123 sqm | $490,000 | $3,984 |
| Jul 2019 | 01 TO 03 | 5 ROOM | 121 sqm | $433,500 | $3,583 |
| Sep 2018 | 07 TO 09 | 5 ROOM | 121 sqm | $472,000 | $3,901 |
| Aug 2018 | 01 TO 03 | 5 ROOM | 121 sqm | $398,000 | $3,289 |
| Jun 2018 | 10 TO 12 | 5 ROOM | 121 sqm | $500,000 | $4,132 |
| Jul 2017 | 07 TO 09 | 5 ROOM | 125 sqm | $500,000 | $4,000 |
About Block 121 Serangoon North Avenue 1
Block 121 Serangoon North Avenue 1 in Serangoon dates to 1985 and now has roughly 59 years of lease remaining, which makes lease decay the central consideration for buyers. Its $514,000 median tracks close to the Serangoon town median. It has a relatively light resale record, with 16 transactions since 2017 across 5 room flats priced from $398,000 to $735,000. The most recent transaction was a 5 room flat on storeys 01 TO 03 at $660,000 in Mar 2025, and the median works out to $4,248/sqm. Higher floors carry a premium, with the 10 TO 12 band trading roughly 50% above the 01 TO 03 band. Over five years, prices here are up about 31.2%. All transaction data is sourced from data.gov.sg and updated monthly.
Frequently Asked Questions
How much is an HDB flat at Block 121 Serangoon North Avenue 1 worth?
The most recent resale transaction at Block 121 Serangoon North Avenue 1 was $660,000 for a 5 room flat in 2025-03. The median price per square metre across all flat types is $4,248, based on 16 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 121 Serangoon North Avenue 1?
Block 121 Serangoon North Avenue 1 was built in 1985 and has approximately 59 years and 6 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.52%, meaning the leasehold value decreases by approximately 0.52% per year at the current remaining lease.
What flat types are available at Block 121 Serangoon North Avenue 1?
Block 121 Serangoon North Avenue 1 in Serangoon contains 5 room flats. Resale prices range from $398,000 to $735,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 121 Serangoon North Avenue 1 gone up or down?
Resale prices at Block 121 Serangoon North Avenue 1 have increased by approximately 31.2% over the past five years. The current median price is $514,000, with the most recent sale at $660,000 in 2025-03.