Blk 421 Clementi Ave 1 HDB Resale | Price, Transactions & Rental Data
HDB ResaleCLEMENTI

Blk 421 Clementi Ave 1

Singapore 120421
Median PSF
$748
Transactions
108
Lease Left
86 years
4 months
Flat Types
3-Room
4-Room
Data last verified 5 Sep 2026 · source: HDB / DataGov
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Block details
TownCLEMENTI
Block421
StreetClementi Ave 1
Flat Model(s)Model A
Floor Range01 TO 39
Lease Commenced2013
Remaining Lease86 years 04 months
Unit mix
3-Room $448,000–$728,000
28 txn · 786–797 sqft · Floor 01 TO 33 · $724 psf
4-Room $570,000–$1,038,000
80 txn · 980–1,076 sqft · Floor 01 TO 39 · $755 psf
Nearby carpark
Blk 419, 420 And 420A Clementi Avenue 1 166 m
Surface · 10 lots
Blk 463 Clementi Avenue 1 210 m
Multi-Storey · 765 lots
Blk 416A Clementi Avenue 1 213 m
Multi-Storey · 882 lots
Location data pending.
Transactions
Price trend by room type (quarterly median PSF)
Solid lines = this block by room type · dashed = CLEMENTI town median
3-Room
$827
+27.0% vs town · town $651 (2026 Q2)
4-Room
$907
+39.3% vs town · town $651 (2026 Q2)
Rental trend by room type (quarterly median rent)
Rental data available from Jan 2021 onward
3-Room
$3,200/mo
+3.2% vs town · town $3,100 (2026 Q1)
4-Room
$4,500/mo
+25.0% vs town · town $3,600 (2026 Q3)
Estimated price by size
Low / median / high, from last 12 months of transactions
No recent 2-room transactions on this block — see nearby blocks below.
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Look at the estate
Other blocks on Clementi Ave 1, grouped by construction batch, last 12 months
2013 batch (est. 86 years left)
Blk 418
$415,000–$425,000
Median $415,000
2 txn
Blk 423
$458,000
Median $458,000
1 txn
Estimated price by size
Low / median / high, from last 12 months of transactions
786 sqft $650,000
1 txn · Median $650,000 · $827 psf
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Look at the estate
Other blocks on Clementi Ave 1, grouped by construction batch, last 12 months
2023 batch (est. 96 years left)
Blk 464B
$896,000
Median $896,000
1 txn
2013 batch (est. 86 years left)
Blk 420
$648,000–$650,000
Median $648,000
2 txn
Blk 423
$710,000
Median $710,000
1 txn
Blk 424
$715,000
Median $715,000
1 txn
Estimated price by size
Low / median / high, from last 12 months of transactions
980 sqft $978,000
1 txn · Median $978,000 · $998 psf
1,033 sqft $970,000–$1,038,000
3 txn · Median $985,000 · $953 psf
1,076 sqft $965,000–$975,888
2 txn · Median $970,444 · $902 psf
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Look at the estate
Other blocks on Clementi Ave 1, grouped by construction batch, last 12 months
2013 batch (est. 86 years left)
Blk 416
$958,888–$968,000
Median $958,888
2 txn
Blk 417
$910,000
Median $910,000
1 txn
Blk 420
$927,000–$980,000
Median $935,000
5 txn
Blk 423
$962,000
Median $962,000
1 txn
Blk 424
$920,000–$928,000
Median $920,000
2 txn
Blk 425
$948,000
Median $948,000
1 txn
Estimated price by size
Low / median / high, from last 12 months of transactions
No recent 5-room transactions on this block — see nearby blocks below.
Want an estimate for your floor? Get a Valuation →
Look at the estate
Other blocks on Clementi Ave 1, grouped by construction batch, last 12 months
2013 batch (est. 86 years left)
Blk 416
$1,000,000–$1,208,000
Median $1,100,000
5 txn
Blk 425
$1,150,000–$1,285,000
Median $1,150,000
4 txn