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Block 101 Serangoon North Avenue 1

4 Room · Built 1985 · 58 years remaining lease MOP Cleared
Latest Sale
$510,000
Dec 2025 · 4 ROOM · Floor 01-03
Median $/sqm
$4,203
Based on 28 transactions
Total Transactions
28
Since Jan 2017
5-Year Trend
▲ +21.4%
Median price change
Median Price ?
Top 88%
#199 / 227 Top 88%
Latest Sale ?
Top 84%
#190 / 227 Top 84%
Value ($/sqm) ?
Top 92%
#209 / 227 Top 92%
5-Year Growth ?
Top 90%
#135 / 150 Top 90%
Price Trend
Source: HDB Resale Flat Prices, data.gov.sg. Updated monthly.
What's Your Unit Worth?
HDB records transactions in 3-storey bands (e.g. 01 TO 03). Pick the band closest to your floor.
Estimated Market Value
--
Future Value Projection
Market Appreciation
+4%/yr
vs
Lease Decay
−0.54%/yr
Growth assumption
Based on this block’s +21.4% growth over 5 years
Estimated value in --
--
Market appreciation --
Lease decay --
Net effect --
Projection uses Bala's Table (SLA leasehold model) for lease decay and your selected growth rate for appreciation. Lease decay is non-linear and accelerates as remaining lease shortens. Past growth does not guarantee future performance. Not financial advice.
Lease Decay Projection
0 years 58 years remaining 99 years
58 years 4 months
Remaining lease
↓ 0.54%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 58 years remaining, decay is gradual (~0.54%/yr). It accelerates significantly below 40 years. Market appreciation (historically 2-4%/yr) currently outpaces lease decay for this block.
All Transactions
Date Floor Type Area Price $/sqm
Dec 2025 01 TO 03 4 ROOM 91 sqm $510,000 $5,604
Jan 2025 01 TO 03 4 ROOM 91 sqm $560,000 $6,154
Jan 2025 04 TO 06 4 ROOM 91 sqm $505,000 $5,549
Jun 2024 04 TO 06 4 ROOM 93 sqm $580,000 $6,237
Mar 2024 04 TO 06 4 ROOM 91 sqm $520,000 $5,714
Dec 2023 01 TO 03 4 ROOM 91 sqm $500,000 $5,495
Sep 2023 07 TO 09 4 ROOM 91 sqm $490,000 $5,385
Jun 2023 01 TO 03 4 ROOM 91 sqm $472,000 $5,187
May 2022 04 TO 06 4 ROOM 93 sqm $430,000 $4,624
Oct 2021 07 TO 09 4 ROOM 93 sqm $440,000 $4,731
Oct 2021 07 TO 09 4 ROOM 93 sqm $464,000 $4,989
Apr 2021 01 TO 03 4 ROOM 91 sqm $380,000 $4,176
Feb 2021 07 TO 09 4 ROOM 91 sqm $400,000 $4,396
Oct 2020 10 TO 12 4 ROOM 91 sqm $375,000 $4,121
Oct 2020 13 TO 15 4 ROOM 91 sqm $385,000 $4,231
Aug 2020 07 TO 09 4 ROOM 91 sqm $355,000 $3,901
Feb 2020 13 TO 15 4 ROOM 91 sqm $348,888 $3,834
Jun 2019 01 TO 03 4 ROOM 91 sqm $358,000 $3,934
Nov 2018 01 TO 03 4 ROOM 91 sqm $345,000 $3,791
Sep 2018 13 TO 15 4 ROOM 91 sqm $380,000 $4,176
Showing 20 of 28 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 101 Serangoon North Avenue 1

Block 101 at Serangoon North Avenue 1 is a residential HDB block in Serangoon, Singapore, built in 1985 with approximately 58 years remaining on its 99-year lease. The block contains 4 room flats, with resale prices ranging from $342,000 to $580,000 based on 28 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 01 TO 03 sold for $510,000 in 2025-12. The current median price per square metre is $4,203. Over the past five years, resale prices at this block have increased by approximately 21.4%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8656, with an annual lease decay rate of approximately 0.54%. 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 101 Serangoon North Avenue 1 worth?

The most recent resale transaction at Block 101 Serangoon North Avenue 1 was $510,000 for a 4 room flat in 2025-12. The median price per square metre across all flat types is $4,203, based on 28 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 101 Serangoon North Avenue 1?

Block 101 Serangoon North Avenue 1 was built in 1985 and has approximately 58 years and 4 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.54%, meaning the leasehold value decreases by approximately 0.54% per year at the current remaining lease.

What flat types are available at Block 101 Serangoon North Avenue 1?

Block 101 Serangoon North Avenue 1 in Serangoon contains 4 room flats. Resale prices range from $342,000 to $580,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 101 Serangoon North Avenue 1 gone up or down?

Resale prices at Block 101 Serangoon North Avenue 1 have increased by approximately 21.4% over the past five years. The current median price is $382,500, with the most recent sale at $510,000 in 2025-12.

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