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Block 257 Tampines Street 21

4 Room · 5 Room · Built 1985 · 57 years remaining lease · Updated Jun 2026 MOP Cleared

Block 257 Tampines Street 21 has 23 recorded HDB resale transactions since 2017. Latest sale: $730,000 (Jun 2026, 5 room, floors 07–09). Median $4,793/sqm. Prices up 30.9% over the past five years. Built 1985, 57 years lease remaining.

How this block compares

  • 5 Room$710,000
    −13.4%vs town(−$110k)−4.1%vs national(−$30k)

Median of resales in the 12 months to Jul 2026, compared with town and Singapore medians on the same basis. Flat types with fewer than two sales in the window are omitted.

Latest Sale
$730,000
Jun 2026 · 5 ROOM · Floor 07-09
Median $/sqm
$4,793
Based on 23 transactions
Total Transactions
23
Since Jan 2017
5-Year Trend
▲ +30.9%
Median price change
Median Price ?
Top 43%
#337 / 791 Top 43%
Latest Sale ?
Top 38%
#303 / 791 Top 38%
Value ($/sqm) ?
Top 64%
#504 / 791 Top 64%
5-Year Growth ?
Top 75%
#428 / 569 Top 75%
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
--
How we estimate this →
Future Value Projection
Market Appreciation
+5.5%/yr
vs
Lease Decay
−0.56%/yr
Growth assumption
Based on this block’s +30.9% 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 57 years remaining 99 years
57 years 9 months
Remaining lease
↓ 0.56%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 57 years remaining, decay is gradual (~0.56%/yr). It accelerates significantly below 40 years. Market appreciation (historically 2-4%/yr) currently outpaces lease decay for this block.
Rental & Yield

What this block rents for, and the gross rental yield (annual rent ÷ resale price). This block has too few rentals on record, so figures shown are the Tampines average.

Flat type Median rent /mo Gross yield Based on
4-Room $3,400 typically $3,200–$3,600 6.2% Tampines avg · block too thin
5-Room $3,650 typically $3,400–$3,900 5.3% Tampines avg · block too thin
Gross yield is annual rent before maintenance, property tax, and vacancy, so net return is lower. Renting out a whole HDB flat requires meeting the 5-year Minimum Occupation Period and HDB approval. Rents are owner-declared to HDB and unverified.
Source: HDB Renting Out of Flats, data.gov.sg (Singapore Open Data Licence).
Primary schools nearby

This block is inside the 1 km Primary 1 priority zone for 5 popular schools. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.

Compare homes near all 50 popular schools
Distances are straight-line estimates from this block, indicative only. MOE measures from its own school reference point, so confirm the exact distance before relying on it.
Where this home sits, and its schools
5 schools in the 1 km top-priority zone
  • This home
  • School within 1 km
  • School 1–2 km
  • 1km ring, top priority
  • 2km ring, next tier

Straight-line distances, the basis MOE uses for Home–School Distance priority. Tap a school to open it. Map © OneMap, SLA.

Nearby comparable homes

Other HDB blocks closest to Block 257 Tampines Street 21 in Tampines, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.

See all HDB blocks in Tampines
Distances are straight-line estimates from this home, indicative only. Prices are medians of recorded resale transactions, not asking prices.
All Transactions
Date Floor Type Area Price $/sqm
Jun 2026 07 TO 09 5 ROOM 121 sqm $730,000 $6,033
Oct 2025 01 TO 03 5 ROOM 121 sqm $690,000 $5,702
Apr 2025 07 TO 09 5 ROOM 121 sqm $720,000 $5,950
May 2024 04 TO 06 5 ROOM 121 sqm $640,000 $5,289
Mar 2024 10 TO 12 4 ROOM 96 sqm $560,000 $5,833
Jan 2024 04 TO 06 5 ROOM 121 sqm $580,000 $4,793
Feb 2023 07 TO 09 5 ROOM 121 sqm $637,000 $5,264
Sep 2022 10 TO 12 5 ROOM 121 sqm $640,000 $5,289
May 2022 01 TO 03 5 ROOM 121 sqm $585,000 $4,835
Jul 2021 01 TO 03 5 ROOM 121 sqm $539,999 $4,463
Apr 2021 01 TO 03 5 ROOM 121 sqm $550,000 $4,545
Mar 2021 10 TO 12 5 ROOM 121 sqm $562,500 $4,649
Dec 2020 07 TO 09 5 ROOM 121 sqm $530,000 $4,380
Sep 2020 04 TO 06 5 ROOM 121 sqm $555,000 $4,587
Aug 2020 10 TO 12 5 ROOM 121 sqm $545,000 $4,504
Jan 2020 04 TO 06 5 ROOM 121 sqm $554,000 $4,579
Jul 2018 04 TO 06 5 ROOM 123 sqm $553,000 $4,496
Apr 2018 04 TO 06 5 ROOM 123 sqm $540,000 $4,390
Mar 2018 10 TO 12 4 ROOM 96 sqm $470,000 $4,896
Feb 2018 07 TO 09 5 ROOM 126 sqm $567,000 $4,500
Showing 20 of 23 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 257 Tampines Street 21

Block 257 Tampines Street 21 in Tampines dates to 1985 and now has roughly 57 years of lease remaining, which makes lease decay the central consideration for buyers. Its $560,000 median tracks close to the Tampines town median. It has a regular flow of resale activity, with 23 transactions since 2017 across 4 room, 5 room flats priced from $470,000 to $730,000. The most recent transaction was a 5 room flat on storeys 07 TO 09 at $730,000 in Jun 2026, and the median works out to $4,793/sqm. Over five years, prices here are up about 30.9%. All transaction data is sourced from data.gov.sg and updated monthly.

Frequently Asked Questions

How much is an HDB flat at Block 257 Tampines Street 21 worth?

The most recent resale transaction at Block 257 Tampines Street 21 was $730,000 for a 5 room flat in 2026-06. 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 257 Tampines Street 21?

Block 257 Tampines Street 21 was built in 1985 and has approximately 57 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 0.56%, meaning the leasehold value decreases by approximately 0.56% per year at the current remaining lease.

What flat types are available at Block 257 Tampines Street 21?

Block 257 Tampines Street 21 in Tampines contains 4 room, 5 room flats. Resale prices range from $470,000 to $730,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 257 Tampines Street 21 gone up or down?

Resale prices at Block 257 Tampines Street 21 have increased by approximately 30.9% over the past five years. The current median price is $560,000, with the most recent sale at $730,000 in 2026-06.

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