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Block 485B Tampines Avenue 9

4 Room · 5 Room · Built 1989 · 62 years remaining lease MOP Cleared
Latest Sale
$648,000
Aug 2025 · 4 ROOM · Floor 07-09
Median $/sqm
$4,793
Based on 23 transactions
Total Transactions
23
Since Jan 2017
5-Year Trend
▲ +46.9%
Median price change
Median Price ?
Top 46%
#362 / 787 Top 46%
Latest Sale ?
Top 57%
#447 / 787 Top 57%
Value ($/sqm) ?
Top 60%
#473 / 787 Top 60%
5-Year Growth ?
Top 7%
#41 / 547 Top 7%
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
+8%/yr
vs
Lease Decay
−0.46%/yr
Growth assumption
Based on this block’s +46.9% 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 9 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
Aug 2025 07 TO 09 4 ROOM 104 sqm $648,000 $6,231
May 2025 10 TO 12 5 ROOM 121 sqm $761,000 $6,289
Apr 2025 10 TO 12 4 ROOM 104 sqm $640,000 $6,154
Jan 2025 10 TO 12 4 ROOM 104 sqm $605,000 $5,817
Sep 2024 04 TO 06 5 ROOM 121 sqm $780,000 $6,446
Aug 2024 07 TO 09 4 ROOM 104 sqm $595,000 $5,721
Jul 2024 04 TO 06 4 ROOM 104 sqm $570,000 $5,481
Jun 2024 10 TO 12 4 ROOM 104 sqm $550,000 $5,288
May 2024 07 TO 09 4 ROOM 104 sqm $608,000 $5,846
Nov 2023 01 TO 03 5 ROOM 121 sqm $580,000 $4,793
Dec 2022 10 TO 12 4 ROOM 104 sqm $553,000 $5,317
Aug 2022 10 TO 12 5 ROOM 121 sqm $600,000 $4,959
Oct 2021 01 TO 03 5 ROOM 121 sqm $540,000 $4,463
Jun 2021 10 TO 12 4 ROOM 104 sqm $430,000 $4,135
Mar 2021 04 TO 06 4 ROOM 104 sqm $430,000 $4,135
Feb 2021 04 TO 06 4 ROOM 104 sqm $390,000 $3,750
Jul 2020 04 TO 06 4 ROOM 104 sqm $392,000 $3,769
Dec 2019 07 TO 09 4 ROOM 104 sqm $395,000 $3,798
Oct 2019 01 TO 03 5 ROOM 121 sqm $445,000 $3,678
Oct 2018 04 TO 06 5 ROOM 121 sqm $480,000 $3,967
Showing 20 of 23 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 485B Tampines Avenue 9

Block 485B at Tampines Avenue 9 is a residential HDB block in Tampines, 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 $390,000 to $780,000 based on 23 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 07 TO 09 sold for $648,000 in 2025-08. The current median price per square metre is $4,793. Over the past five years, resale prices at this block have increased by approximately 46.9%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8845, 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 485B Tampines Avenue 9 worth?

The most recent resale transaction at Block 485B Tampines Avenue 9 was $648,000 for a 4 room flat in 2025-08. The median price per square metre across all flat types is $4,793, based on 23 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 485B Tampines Avenue 9?

Block 485B Tampines Avenue 9 was built in 1989 and has approximately 62 years and 9 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 485B Tampines Avenue 9?

Block 485B Tampines Avenue 9 in Tampines contains 4 room, 5 room flats. Resale prices range from $390,000 to $780,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 485B Tampines Avenue 9 gone up or down?

Resale prices at Block 485B Tampines Avenue 9 have increased by approximately 46.9% over the past five years. The current median price is $550,000, with the most recent sale at $648,000 in 2025-08.

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