Block 171 Hougang Avenue 1

4 Room · 5 Room · Built 1998 · 71 years remaining lease MOP Cleared
Latest Sale
$768,000
Aug 2025 · 5 ROOM · #07-09
Median $/sqm
$4,549
Based on 17 transactions
Total Transactions
17
Since Jan 2017
5-Year Trend
▲ +52.4%
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 171
You'll receive updates when new transactions are recorded for this block.
Lease Decay Projection
0 years 71 years remaining 99 years
71 years 5 months
Remaining lease
↓ 0.33%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 71 years remaining, decay is gradual (~0.33%/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
Aug 2025 07 TO 09 5 ROOM 122 sqm $768,000 $6,295
Oct 2024 04 TO 06 4 ROOM 101 sqm $572,000 $5,663
Jun 2024 01 TO 03 5 ROOM 120 sqm $630,000 $5,250
Apr 2024 04 TO 06 4 ROOM 100 sqm $568,000 $5,680
Dec 2022 01 TO 03 5 ROOM 120 sqm $612,500 $5,104
Jun 2022 07 TO 09 4 ROOM 101 sqm $508,000 $5,030
Dec 2021 10 TO 12 5 ROOM 120 sqm $618,000 $5,150
Jul 2021 01 TO 03 4 ROOM 100 sqm $390,000 $3,900
Dec 2020 04 TO 06 5 ROOM 122 sqm $520,000 $4,262
Oct 2019 13 TO 15 5 ROOM 122 sqm $555,000 $4,549
Jun 2019 04 TO 06 4 ROOM 101 sqm $390,000 $3,861
Jul 2018 13 TO 15 5 ROOM 120 sqm $580,000 $4,833
Feb 2018 04 TO 06 4 ROOM 100 sqm $361,000 $3,610
Aug 2017 07 TO 09 5 ROOM 120 sqm $520,000 $4,333
Apr 2017 01 TO 03 5 ROOM 120 sqm $465,000 $3,875
Apr 2017 07 TO 09 5 ROOM 122 sqm $505,000 $4,139
Jan 2017 07 TO 09 5 ROOM 120 sqm $520,000 $4,333
Showing 17 of 17 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 171 Hougang Avenue 1

Block 171 at Hougang Avenue 1 is a residential HDB block in Hougang, Singapore, built in 1998 with approximately 71 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $361,000 to $768,000 based on 17 recorded transactions since January 2017. The most recent transaction was a 5 room flat on storeys 07 TO 09 sold for $768,000 in 2025-08. The current median price per square metre is $4,549. Over the past five years, resale prices at this block have increased by approximately 52.4%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.9143, with an annual lease decay rate of approximately 0.33%. 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 171 Hougang Avenue 1 worth?

The most recent resale transaction at Block 171 Hougang Avenue 1 was $768,000 for a 5 room flat in 2025-08. The median price per square metre across all flat types is $4,549, based on 17 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 171 Hougang Avenue 1?

Block 171 Hougang Avenue 1 was built in 1998 and has approximately 71 years and 5 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.33%, meaning the leasehold value decreases by approximately 0.33% per year at the current remaining lease.

What flat types are available at Block 171 Hougang Avenue 1?

Block 171 Hougang Avenue 1 in Hougang contains 4 room, 5 room flats. Resale prices range from $361,000 to $768,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 171 Hougang Avenue 1 gone up or down?

Resale prices at Block 171 Hougang Avenue 1 have increased by approximately 52.4% over the past five years. The current median price is $520,000, with the most recent sale at $768,000 in 2025-08.

Link copied to clipboard