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Block 145 Serangoon North Avenue 1

4 Room · 5 Room · Built 1986 · 59 years remaining lease MOP Cleared
Latest Sale
$515,888
Dec 2025 · 4 ROOM · Floor 01-03
Median $/sqm
$5,275
Based on 14 transactions
Total Transactions
14
Since Jan 2017
5-Year Trend
▲ +29.1%
Median price change
Median Price ?
Top 56%
#126 / 227 Top 56%
Latest Sale ?
Top 81%
#185 / 227 Top 81%
Value ($/sqm) ?
Top 55%
#124 / 227 Top 55%
5-Year Growth ?
Top 77%
#116 / 150 Top 77%
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
+5.2%/yr
vs
Lease Decay
−0.51%/yr
Growth assumption
Based on this block’s +29.1% 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 59 years remaining 99 years
59 years 10 months
Remaining lease
↓ 0.51%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 59 years remaining, decay is gradual (~0.51%/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 89 sqm $515,888 $5,796
Mar 2025 04 TO 06 4 ROOM 83 sqm $513,888 $6,191
Feb 2025 01 TO 03 4 ROOM 83 sqm $500,000 $6,024
Nov 2024 01 TO 03 5 ROOM 122 sqm $680,000 $5,574
Sep 2024 04 TO 06 5 ROOM 122 sqm $700,000 $5,738
Jul 2024 01 TO 03 5 ROOM 122 sqm $690,000 $5,656
Apr 2024 04 TO 06 5 ROOM 122 sqm $688,000 $5,639
Dec 2022 01 TO 03 5 ROOM 122 sqm $590,000 $4,836
Feb 2022 01 TO 03 4 ROOM 83 sqm $413,000 $4,976
Sep 2021 01 TO 03 4 ROOM 83 sqm $398,000 $4,795
Feb 2019 04 TO 06 4 ROOM 83 sqm $360,000 $4,337
Feb 2019 04 TO 06 5 ROOM 122 sqm $450,000 $3,689
Aug 2018 01 TO 03 4 ROOM 83 sqm $295,000 $3,554
Mar 2018 01 TO 03 5 ROOM 122 sqm $438,000 $3,590
Showing 14 of 14 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 145 Serangoon North Avenue 1

Block 145 at Serangoon North Avenue 1 is a residential HDB block in Serangoon, Singapore, built in 1986 with approximately 59 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $295,000 to $700,000 based on 14 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 01 TO 03 sold for $515,888 in 2025-12. The current median price per square metre is $5,275. Over the past five years, resale prices at this block have increased by approximately 29.1%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8723, with an annual lease decay rate of approximately 0.51%. 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 145 Serangoon North Avenue 1 worth?

The most recent resale transaction at Block 145 Serangoon North Avenue 1 was $515,888 for a 4 room flat in 2025-12. The median price per square metre across all flat types is $5,275, based on 14 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 145 Serangoon North Avenue 1?

Block 145 Serangoon North Avenue 1 was built in 1986 and has approximately 59 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 0.51%, meaning the leasehold value decreases by approximately 0.51% per year at the current remaining lease.

What flat types are available at Block 145 Serangoon North Avenue 1?

Block 145 Serangoon North Avenue 1 in Serangoon contains 4 room, 5 room flats. Resale prices range from $295,000 to $700,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 145 Serangoon North Avenue 1 gone up or down?

Resale prices at Block 145 Serangoon North Avenue 1 have increased by approximately 29.1% over the past five years. The current median price is $506,944, with the most recent sale at $515,888 in 2025-12.

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