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Block 420 Serangoon Central

4 Room · 5 Room · Built 1989 · 62 years remaining lease MOP Cleared
Latest Sale
$980,000
Apr 2026 · 5 ROOM · Floor 07-09
Median $/sqm
$7,524
Based on 15 transactions
Total Transactions
15
Since Jan 2017
5-Year Trend
▲ +36.1%
Median price change
Median Price ?
Top 10%
#23 / 227 Top 10%
Latest Sale ?
Top 15%
#33 / 227 Top 15%
Value ($/sqm) ?
Top 1%
#1 / 227 Top 1%
5-Year Growth ?
Top 51%
#77 / 150 Top 51%
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
+6.4%/yr
vs
Lease Decay
−0.46%/yr
Growth assumption
Based on this block’s +36.1% 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 62 years remaining 99 years
62 years 8 months
Remaining lease
↓ 0.46%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 62 years remaining, decay is gradual (~0.46%/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
Apr 2026 07 TO 09 5 ROOM 121 sqm $980,000 $8,099
Oct 2025 10 TO 12 4 ROOM 103 sqm $858,888 $8,339
Jun 2025 10 TO 12 4 ROOM 108 sqm $853,888 $7,906
May 2025 04 TO 06 4 ROOM 105 sqm $860,000 $8,190
Dec 2024 01 TO 03 4 ROOM 105 sqm $790,000 $7,524
Sep 2024 10 TO 12 5 ROOM 123 sqm $1,030,000 $8,374
Jul 2024 10 TO 12 4 ROOM 105 sqm $828,000 $7,886
Apr 2024 04 TO 06 5 ROOM 121 sqm $990,000 $8,182
Jun 2021 07 TO 09 5 ROOM 121 sqm $788,888 $6,520
Mar 2021 07 TO 09 4 ROOM 105 sqm $605,000 $5,762
Mar 2020 04 TO 06 5 ROOM 121 sqm $668,000 $5,521
Jul 2019 04 TO 06 4 ROOM 105 sqm $570,000 $5,429
Jun 2019 10 TO 12 4 ROOM 109 sqm $620,000 $5,688
May 2017 10 TO 12 5 ROOM 121 sqm $750,000 $6,198
Jan 2017 10 TO 12 4 ROOM 103 sqm $593,000 $5,757
Showing 15 of 15 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 420 Serangoon Central

Block 420 at Serangoon Central is a residential HDB block in Serangoon, Singapore, built in 1989 with approximately 62 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $570,000 to $1,030,000 based on 15 recorded transactions since January 2017. The most recent transaction was a 5 room flat on storeys 07 TO 09 sold for $980,000 in 2026-04. The current median price per square metre is $7,524. Over the past five years, resale prices at this block have increased by approximately 36.1%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8842, with an annual lease decay rate of approximately 0.46%. 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 420 Serangoon Central worth?

The most recent resale transaction at Block 420 Serangoon Central was $980,000 for a 5 room flat in 2026-04. The median price per square metre across all flat types is $7,524, based on 15 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 420 Serangoon Central?

Block 420 Serangoon Central was built in 1989 and has approximately 62 years and 8 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.46%, meaning the leasehold value decreases by approximately 0.46% per year at the current remaining lease.

What flat types are available at Block 420 Serangoon Central?

Block 420 Serangoon Central in Serangoon contains 4 room, 5 room flats. Resale prices range from $570,000 to $1,030,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 420 Serangoon Central gone up or down?

Resale prices at Block 420 Serangoon Central have increased by approximately 36.1% over the past five years. The current median price is $790,000, with the most recent sale at $980,000 in 2026-04.

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