Block 221 Serangoon Avenue 4
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Jan 2026 | 07 TO 09 | 3 ROOM | 67 sqm | $496,888 | $7,416 |
| Nov 2025 | 07 TO 09 | 4 ROOM | 92 sqm | $593,888 | $6,455 |
| Aug 2025 | 07 TO 09 | 3 ROOM | 67 sqm | $495,000 | $7,388 |
| Jul 2025 | 04 TO 06 | 3 ROOM | 71 sqm | $495,000 | $6,972 |
| Jun 2025 | 10 TO 12 | 3 ROOM | 67 sqm | $490,000 | $7,313 |
| Jun 2025 | 07 TO 09 | 3 ROOM | 67 sqm | $510,000 | $7,612 |
| Aug 2024 | 01 TO 03 | 3 ROOM | 71 sqm | $408,888 | $5,759 |
| Aug 2024 | 10 TO 12 | 3 ROOM | 67 sqm | $440,000 | $6,567 |
| Jul 2024 | 10 TO 12 | 4 ROOM | 99 sqm | $620,000 | $6,263 |
| Apr 2024 | 04 TO 06 | 3 ROOM | 67 sqm | $400,000 | $5,970 |
| Mar 2024 | 01 TO 03 | 3 ROOM | 67 sqm | $380,000 | $5,672 |
| Oct 2023 | 07 TO 09 | 4 ROOM | 92 sqm | $579,000 | $6,293 |
| Aug 2023 | 07 TO 09 | 3 ROOM | 67 sqm | $392,000 | $5,851 |
| Apr 2023 | 07 TO 09 | 3 ROOM | 67 sqm | $385,000 | $5,746 |
| Dec 2022 | 01 TO 03 | 3 ROOM | 67 sqm | $380,000 | $5,672 |
| Nov 2022 | 07 TO 09 | 4 ROOM | 94 sqm | $590,000 | $6,277 |
| Aug 2022 | 07 TO 09 | 4 ROOM | 94 sqm | $520,888 | $5,541 |
| Jan 2022 | 04 TO 06 | 4 ROOM | 99 sqm | $470,000 | $4,747 |
| Dec 2021 | 07 TO 09 | 3 ROOM | 67 sqm | $355,000 | $5,299 |
| Oct 2021 | 04 TO 06 | 3 ROOM | 67 sqm | $333,000 | $4,970 |
About Block 221 Serangoon Avenue 4
Block 221 at Serangoon Avenue 4 is a residential HDB block in Serangoon, Singapore, built in 1984 with approximately 58 years remaining on its 99-year lease. The block contains 3 room, 4 room, 5 room flats, with resale prices ranging from $280,000 to $770,000 based on 45 recorded transactions since January 2017. The most recent transaction was a 3 room flat on storeys 07 TO 09 sold for $496,888 in 2026-01. The current median price per square metre is $5,000. Over the past five years, resale prices at this block have increased by approximately 41.1%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8640, with an annual lease decay rate of approximately 0.55%. All transaction data is sourced from Singapore's data.gov.sg open data platform and is updated monthly.
Frequently Asked Questions
How much is an HDB flat at Block 221 Serangoon Avenue 4 worth?
The most recent resale transaction at Block 221 Serangoon Avenue 4 was $496,888 for a 3 room flat in 2026-01. The median price per square metre across all flat types is $5,000, based on 45 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 221 Serangoon Avenue 4?
Block 221 Serangoon Avenue 4 was built in 1984 and has approximately 58 years remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.55%, meaning the leasehold value decreases by approximately 0.55% per year at the current remaining lease.
What flat types are available at Block 221 Serangoon Avenue 4?
Block 221 Serangoon Avenue 4 in Serangoon contains 3 room, 4 room, 5 room flats. Resale prices range from $280,000 to $770,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 221 Serangoon Avenue 4 gone up or down?
Resale prices at Block 221 Serangoon Avenue 4 have increased by approximately 41.1% over the past five years. The current median price is $408,888, with the most recent sale at $496,888 in 2026-01.