Block 421 Hougang Avenue 10

4 Room · 5 Room · Built 1989 · 63 years remaining lease MOP Cleared
Latest Sale
$745,000
Jul 2025 · 4 ROOM · #13-15
Median $/sqm
$4,957
Based on 12 transactions
Total Transactions
12
Since Jan 2017
5-Year Trend
▲ +60.6%
Median price change
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
Estimated value in --
--
Based on Bala's Table (SLA leasehold valuation model) with 3% annual market appreciation. Lease decay is non-linear and accelerates as remaining lease shortens. Not financial advice.
Track this unit's value Get notified when new sales happen in Block 421
You'll receive updates when new transactions are recorded for this block.
Lease Decay Projection
0 years 63 years remaining 99 years
63 years 1 months
Remaining lease
↓ 0.45%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 63 years remaining, decay is gradual (~0.45%/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
Jul 2025 13 TO 15 4 ROOM 113 sqm $745,000 $6,593
Jan 2025 04 TO 06 4 ROOM 113 sqm $700,000 $6,195
Nov 2024 13 TO 15 5 ROOM 122 sqm $780,000 $6,393
May 2024 04 TO 06 5 ROOM 122 sqm $706,000 $5,787
Feb 2024 07 TO 09 4 ROOM 105 sqm $620,000 $5,905
Sep 2022 10 TO 12 4 ROOM 103 sqm $530,000 $5,146
Apr 2022 07 TO 09 4 ROOM 108 sqm $515,000 $4,769
Jun 2021 07 TO 09 4 ROOM 103 sqm $450,000 $4,369
Jun 2020 13 TO 15 4 ROOM 105 sqm $430,000 $4,095
May 2020 04 TO 06 4 ROOM 113 sqm $450,000 $3,982
Mar 2020 07 TO 09 4 ROOM 108 sqm $425,000 $3,935
May 2017 10 TO 12 5 ROOM 131 sqm $582,000 $4,443
Showing 12 of 12 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 421 Hougang Avenue 10

Block 421 at Hougang Avenue 10 is a residential HDB block in Hougang, Singapore, built in 1989 with approximately 63 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $425,000 to $780,000 based on 12 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 13 TO 15 sold for $745,000 in 2025-07. The current median price per square metre is $4,957. Over the past five years, resale prices at this block have increased by approximately 60.6%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8858, with an annual lease decay rate of approximately 0.45%. 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 421 Hougang Avenue 10 worth?

The most recent resale transaction at Block 421 Hougang Avenue 10 was $745,000 for a 4 room flat in 2025-07. The median price per square metre across all flat types is $4,957, based on 12 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 421 Hougang Avenue 10?

Block 421 Hougang Avenue 10 was built in 1989 and has approximately 63 years and 1 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.45%, meaning the leasehold value decreases by approximately 0.45% per year at the current remaining lease.

What flat types are available at Block 421 Hougang Avenue 10?

Block 421 Hougang Avenue 10 in Hougang contains 4 room, 5 room flats. Resale prices range from $425,000 to $780,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 421 Hougang Avenue 10 gone up or down?

Resale prices at Block 421 Hougang Avenue 10 have increased by approximately 60.6% over the past five years. The current median price is $556,000, with the most recent sale at $745,000 in 2025-07.

Link copied to clipboard