Blk 421 Choa Chu Kang Ave 4 HDB Resale | Price, Transactions & Rental Data
HDB ResaleCHOA CHU KANG

Blk 421 Choa Chu Kang Ave 4

Singapore 680421
Median PSF
$277
Transactions
102
Lease Left
64 years
11 months
Flat Types
4-Room
5-Room
Data last verified 5 Sep 2026 · source: HDB / DataGov
Get a Valuation →
Block details
TownCHOA CHU KANG
Block421
StreetChoa Chu Kang Ave 4
Flat Model(s)Model A
Floor Range01 TO 12
Lease Commenced1992
Remaining Lease64 years 11 months
Unit mix
4-Room $192,000–$574,888
76 txn · 1,119 sqft · Floor 01 TO 12 · $277 psf
5-Room $270,000–$630,000
26 txn · 1,421 sqft · Floor 01 TO 12 · $276 psf
Nearby carpark
Blk 421/428 Choa Chu Kang Avenue 4 33 m
Surface · 185 lots
Blk 409/413 Choa Chu Kang Avenue 3 131 m
Surface · 218 lots
Blk 429, 438-441 Choa Chu Kang Avenue 4 191 m
Surface · 931 lots
Location data pending.
Transactions
Price trend by room type (quarterly median PSF)
Solid lines = this block by room type · dashed = CHOA CHU KANG town median
4-Room
$487
-3.8% vs town · town $506 (2026 Q3)
5-Room
$436
-7.8% vs town · town $473 (2024 Q1)
Rental trend by room type (quarterly median rent)
Rental data available from Jan 2021 onward
4-Room
$3,400/mo
+9.7% vs town · town $3,100 (2026 Q2)
5-Room
—
No rental transactions in this window
Estimated price by size
Low / median / high, from last 12 months of transactions
1,119 sqft $545,000–$555,000
2 txn · Median $550,000 · $491 psf
Want an estimate for your floor? Get a Valuation →
Look at the estate
Other blocks on Choa Chu Kang Ave 4, grouped by construction batch, last 12 months
2000 batch (est. 73 years left)
Blk 449
$495,000–$531,000
Median $495,000
2 txn
Blk 452
$488,000–$500,000
Median $488,000
2 txn
Blk 456
$525,388
Median $525,388
1 txn
Blk 460
$480,000–$550,000
Median $525,000
3 txn
Blk 462
$430,000–$568,888
Median $505,000
3 txn
Blk 464
$505,000
Median $505,000
1 txn
1997 batch (est. 70 years left)
Blk 442
$481,000–$500,000
Median $481,000
2 txn
Blk 443
$505,000–$515,000
Median $505,000
2 txn
Blk 444
$485,000–$535,000
Median $485,000
2 txn
1993 batch (est. 66 years left)
Blk 306
$605,000–$620,000
Median $605,000
2 txn
Blk 307
$618,000
Median $618,000
1 txn
Blk 414
$508,000–$560,000
Median $530,000
3 txn
Blk 416
$585,000
Median $585,000
1 txn
Blk 418
$588,000
Median $588,000
1 txn
Blk 426
$538,000–$558,000
Median $538,000
2 txn
Blk 430
$550,888
Median $550,888
1 txn
Blk 433
$526,000–$570,000
Median $526,000
2 txn
Blk 434
$560,000–$577,000
Median $560,000
2 txn
Blk 435
$595,666
Median $595,666
1 txn
Blk 439
$555,000
Median $555,000
1 txn
Blk 441
$550,888
Median $550,888
1 txn
1992 batch (est. 65 years left)
Blk 422
$550,000
Median $550,000
1 txn
Blk 423
$540,000–$590,000
Median $540,000
4 txn
Blk 425
$560,000–$562,800
Median $560,000
2 txn
Blk 427
$535,000
Median $535,000
1 txn
Blk 428
$540,000
Median $540,000
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 Choa Chu Kang Ave 4, grouped by construction batch, last 12 months
2000 batch (est. 73 years left)
Blk 453
$550,000–$560,000
Median $550,000
2 txn
Blk 461
$625,000
Median $625,000
1 txn
1993 batch (est. 66 years left)
Blk 305
$715,000
Median $715,000
1 txn
Blk 307
$800,000
Median $800,000
1 txn
Blk 416
$660,000–$730,800
Median $700,000
3 txn
Blk 429
$655,888–$672,000
Median $655,888
2 txn
Blk 430
$660,000–$690,000
Median $660,000
2 txn
Blk 432
$625,000
Median $625,000
1 txn
Blk 435
$612,500
Median $612,500
1 txn
Blk 439
$672,000
Median $672,000
1 txn
Blk 440
$670,000–$675,000
Median $670,000
2 txn
Blk 441
$620,000–$668,000
Median $620,000
2 txn
1992 batch (est. 65 years left)
Blk 423
$630,000
Median $630,000
1 txn
Estimated price by size
Low / median / high, from last 12 months of transactions
No recent executive transactions on this block — see nearby blocks below.
Want an estimate for your floor? Get a Valuation →
Look at the estate
Other blocks on Choa Chu Kang Ave 4, grouped by construction batch, last 12 months
2000 batch (est. 73 years left)
Blk 453
$695,000–$720,000
Median $695,000
2 txn
Blk 457
$770,000
Median $770,000
1 txn
Blk 458
$725,000–$754,313
Median $725,000
2 txn
1997 batch (est. 70 years left)
Blk 448
$805,000–$818,888
Median $815,000
3 txn
1993 batch (est. 66 years left)
Blk 419
$888,000
Median $888,000
2 txn
Blk 420
$825,000–$925,000
Median $865,000
3 txn