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HDB flats & condos near Unity Primary School

Choa Chu Kang · West zone · 133 HDB blocks within 1km ·7 condos within 2km · Updated Jul 2026 180 P1 places · 2027

133 HDB blocks sit within 1km of Unity Primary School in Choa Chu Kang. The median 4-room resale within 1km is $438,694, and the cheapest block starts around $369,000 (Blk 668 Choa Chu Kang Crescent). A home within 1km gives your child top distance priority if Unity Primary School goes to ballot.

Unity Primary School at a glance
180
Primary 1 places
for the 2027 cohort

If applicants exceed places when it is chosen, MOE settles the place by home-school distance: within 1km first, then 1–2km.

Applicants and balloting update live through registration (30 Jun–30 Oct 2026). MOE vacancies & balloting ›

Type
Government
Pupils
Co-ed
Mother tongue
Chinese, Malay, Tamil
Region
Choa Chu Kang · West zone
Address21 Choa Chu Kang Crescent S(688268) Nearest MRTYew Tee MRT School website ›
Blocks within 1km
133
HDB blocks, top priority
Median 4-Room
$438,694
resale within 1km
Cheapest Entry
$369,000
Median $/sqm
$4,259
within 1km
Where the homes are, around Unity Primary School
Show on map
HDB resale price
$392,500$677,500
  • Unity Primary School
  • 1km ring, top priority
  • 2km ring, next tier
  • Cheapest HDB

HDB blocks are shaded by resale price; private condos are priced per sqft, so tap a marker for its $psf. Map © OneMap, SLA.

How the 1km priority works
  1. 1 Within 1km wins. MOE ranks P1 applicants by straight-line distance from the school: within 1km, then 1–2km, then beyond. Singapore Citizens rank above PRs in each band.
  2. 2 It only bites if the school ballots. If applicants exceed places when it is chosen, MOE settles the place by home-school distance: within 1km first, then 1–2km.
  3. 3 You must stay 30 months. To use Home-School Distance priority, the family must live at the registered address for at least 30 months from the start of P1 registration.

Distances are straight-line estimates from each block to the school's postal point, indicative only. Confirm the exact figure with MOE's official distance guide.

What it costs within 1km, by flat type
3 Room3 blks
$360,000
4 Room104 blks
$438,694
5 Room103 blks
$515,000
Executive41 blks
$622,000
cheapest $315,000$933,000 priciest

133 HDB blocks within 1km of Unity Primary School

Showing 133 blocks
Block Distance Flat types Median price $/sqm
Blk 670A Choa Chu Kang Crescent 85m 4-rm, 5-rm $408,000 $3,702
Blk 676A Choa Chu Kang Crescent 88m 4-rm, 5-rm $453,000 $4,466
Blk 672B Choa Chu Kang Crescent 94m 4-rm, 5-rm $530,000 $4,274
Blk 672 Choa Chu Kang Crescent 104m 4-rm, 5-rm $498,000 $4,435
Blk 670 Choa Chu Kang Crescent 108m 4-rm, 5-rm $460,000 $4,283
Blk 672A Choa Chu Kang Crescent 117m 4-rm, 5-rm $420,000 $3,415
Blk 676 Choa Chu Kang Crescent 118m 4-rm, 5-rm $486,500 $4,324
Blk 683B Choa Chu Kang Crescent 125m 4-rm, 5-rm $474,000 $4,550
Blk 674A Choa Chu Kang Crescent 131m 5-rm, Exec $550,000 $4,435
Blk 684B Choa Chu Kang Crescent 133m 4-rm, 5-rm $460,000 $4,789
Blk 684A Choa Chu Kang Crescent 136m 4-rm, 5-rm $410,000 $3,727
Blk 671 Choa Chu Kang Crescent 138m 5-rm, Exec $460,000 $3,637
Blk 674 Choa Chu Kang Crescent 138m 5-rm, Exec $545,000 $3,992
Blk 681 Choa Chu Kang Crescent 138m 4-rm, 5-rm, Exec $476,250 $4,080
Blk 671A Choa Chu Kang Crescent 144m 5-rm, Exec $640,444 $4,787
Blk 685A Choa Chu Kang Crescent 147m 4-rm, 5-rm $479,000 $4,505
Blk 669 Choa Chu Kang Crescent 164m 4-rm, 5-rm $479,000 $4,526
Blk 682 Choa Chu Kang Crescent 171m 4-rm, 5-rm, Exec $515,000 $4,444
Blk 685B Choa Chu Kang Crescent 180m 4-rm, 5-rm $388,000 $3,784
Blk 675 Choa Chu Kang Crescent 183m 4-rm, 5-rm $487,500 $4,522
Blk 683A Choa Chu Kang Crescent 188m 4-rm, 5-rm $398,000 $3,864
Blk 680 Choa Chu Kang Crescent 196m 4-rm, 5-rm, Exec $450,000 $4,048
Blk 684C Choa Chu Kang Crescent 203m 4-rm, 5-rm $370,000 $3,730
Blk 677 Choa Chu Kang Crescent 204m 4-rm, 5-rm, Exec $485,000 $4,206
Blk 686D Choa Chu Kang Crescent 209m 4-rm, 5-rm $395,000 $3,636
Blk 684D Choa Chu Kang Crescent 211m 4-rm, 5-rm $446,444 $4,277
Blk 673A Choa Chu Kang Crescent 212m 4-rm, 5-rm $470,000 $4,417
Blk 686A Choa Chu Kang Crescent 214m 4-rm, 5-rm $400,888 $3,833
Blk 683C Choa Chu Kang Crescent 218m 4-rm, 5-rm $382,000 $3,589
Blk 673 Choa Chu Kang Crescent 220m 4-rm, 5-rm $416,500 $3,877
Blk 685C Choa Chu Kang Crescent 223m 4-rm $438,000 $5,153
Blk 679 Choa Chu Kang Crescent 261m 4-rm, 5-rm, Exec $490,000 $4,160
Blk 617 Choa Chu Kang North 7 262m 4-rm, 5-rm $515,900 $4,017
Blk 618 Choa Chu Kang North 7 271m 4-rm, 5-rm $535,000 $4,053
Blk 686B Choa Chu Kang Crescent 282m 4-rm, 5-rm $420,000 $4,227
Blk 619 Choa Chu Kang North 7 294m 4-rm, 5-rm $644,000 $4,806
Blk 615 Choa Chu Kang Street 62 298m 4-rm, 5-rm $371,000 $3,407
Blk 667 Choa Chu Kang Crescent 315m 4-rm $439,000 $4,304
Blk 668 Choa Chu Kang Crescent 321m 4-rm $369,000 $3,600
Blk 686C Choa Chu Kang Crescent 323m 4-rm $434,500 $5,112
Blk 678 Choa Chu Kang Crescent 324m 4-rm, 5-rm, Exec $485,500 $4,065
Blk 659 Choa Chu Kang Crescent 335m 4-rm, 5-rm, Exec $505,000 $4,320
Blk 689B Choa Chu Kang Drive 335m 4-rm, 5-rm $410,000 $3,951
Blk 666 Choa Chu Kang Crescent 349m 5-rm $502,500 $4,052
Blk 658 Choa Chu Kang Crescent 354m 4-rm, 5-rm, Exec $480,000 $4,567
Blk 613 Choa Chu Kang Street 62 357m 4-rm, 5-rm $446,000 $3,574
Blk 620 Choa Chu Kang Street 62 358m 4-rm, 5-rm $470,000 $3,889
Blk 614 Choa Chu Kang Street 62 363m 4-rm, 5-rm $450,000 $3,416
Blk 665 Choa Chu Kang Crescent 375m 5-rm $495,000 $3,992
Blk 689A Choa Chu Kang Drive 392m 4-rm, 5-rm $397,500 $3,930
Blk 660 Choa Chu Kang Crescent 393m 4-rm, 5-rm $389,000 $3,835
Blk 688B Choa Chu Kang Drive 400m 4-rm, 5-rm $450,444 $4,558
Blk 621 Choa Chu Kang Street 62 407m 4-rm, 5-rm $502,500 $4,510
Blk 664 Choa Chu Kang Crescent 408m 5-rm $608,000 $4,903
Blk 612 Choa Chu Kang Street 62 411m 4-rm, 5-rm $512,500 $4,173
Blk 687A Choa Chu Kang Drive 420m 4-rm, 5-rm $465,000 $4,773
Blk 616 Choa Chu Kang Street 62 424m 4-rm, 5-rm $430,000 $4,019
Blk 657 Choa Chu Kang Crescent 429m 4-rm, 5-rm, Exec $460,000 $4,333
Blk 688A Choa Chu Kang Drive 439m 4-rm, 5-rm $418,000 $3,889
Blk 609 Choa Chu Kang Street 62 451m 4-rm, 5-rm $487,000 $3,848
Blk 663 Choa Chu Kang Crescent 452m Exec $577,500 $4,096
Blk 687B Choa Chu Kang Drive 466m 4-rm, 5-rm $418,000 $3,800
Blk 662 Choa Chu Kang Crescent 467m Exec $668,000 $4,738
Blk 688C Choa Chu Kang Crescent 468m 4-rm, 5-rm $409,500 $3,983
Blk 611 Choa Chu Kang Street 62 470m 4-rm, 5-rm $490,000 $3,972
Blk 625 Choa Chu Kang Street 62 470m 4-rm, 5-rm $520,000 $4,880
Blk 661 Choa Chu Kang Crescent 472m 4-rm, 5-rm $460,000 $3,926
Blk 656 Choa Chu Kang Crescent 491m 4-rm, 5-rm, Exec $465,000 $3,811
Blk 687C Choa Chu Kang Drive 500m 4-rm, 5-rm $407,500 $3,810
Blk 610 Choa Chu Kang Street 62 502m 4-rm, 5-rm $525,000 $3,977
Blk 626 Choa Chu Kang Street 62 507m 4-rm, 5-rm $500,000 $4,327
Blk 607 Choa Chu Kang Street 62 510m 4-rm, 5-rm $482,000 $3,657
Blk 643 Choa Chu Kang Street 64 510m 4-rm, 5-rm $594,444 $5,470
Blk 690A Choa Chu Kang Crescent 527m 4-rm, 5-rm $421,500 $4,312
Blk 608 Choa Chu Kang Street 62 536m 4-rm, 5-rm $495,000 $4,605
Blk 687D Choa Chu Kang Drive 541m 5-rm $467,500 $4,250
Blk 627 Choa Chu Kang Street 62 545m 4-rm, 5-rm $410,000 $3,990
Blk 691B Choa Chu Kang Crescent 546m 4-rm, 5-rm $402,500 $3,714
Blk 691A Choa Chu Kang Crescent 550m 4-rm, 5-rm $465,000 $5,000
Blk 642 Choa Chu Kang Street 64 556m 4-rm, 5-rm, Exec $570,000 $5,200
Blk 692B Choa Chu Kang Crescent 560m 4-rm, 5-rm $410,000 $4,058
Blk 690B Choa Chu Kang Crescent 566m 5-rm, Exec $495,888 $3,967
Blk 604 Choa Chu Kang Street 62 566m Exec $622,000 $4,144
Blk 690C Choa Chu Kang Crescent 571m 5-rm $415,000 $3,773
Blk 692A Choa Chu Kang Crescent 573m 4-rm, 5-rm $410,000 $3,747
Blk 638 Choa Chu Kang Street 64 580m 4-rm, 5-rm, Exec $561,500 $5,100
Blk 690D Choa Chu Kang Crescent 584m 4-rm, 5-rm $418,000 $3,811
Blk 606 Choa Chu Kang Street 62 586m Exec $647,500 $4,434
Blk 641 Choa Chu Kang Street 64 600m 4-rm, 5-rm, Exec $573,500 $4,937
Blk 639 Choa Chu Kang Street 64 603m 4-rm, 5-rm, Exec $545,000 $4,625
Blk 603 Choa Chu Kang Street 62 609m Exec $585,000 $3,980
Blk 637 Choa Chu Kang North 6 619m 4-rm, Exec $505,000 $4,469
Blk 605 Choa Chu Kang Street 62 633m Exec $704,000 $4,805
Blk 640 Choa Chu Kang Street 64 636m 4-rm, Exec $570,000 $5,380
Blk 636 Choa Chu Kang North 6 656m 4-rm $480,000 $4,248
Blk 602 Choa Chu Kang Street 62 667m Exec $595,000 $4,089
Blk 635 Choa Chu Kang North 6 678m 4-rm, Exec $570,000 $5,044
Blk 601 Choa Chu Kang Street 62 683m Exec $668,444 $4,452
Blk 631 Choa Chu Kang North 6 702m 4-rm, Exec $586,000 $4,942
Blk 632 Choa Chu Kang North 6 706m 5-rm $570,000 $4,488
Blk 562 Choa Chu Kang Street 52 726m 4-rm, 5-rm $542,500 $4,491
Blk 633 Choa Chu Kang North 6 730m 5-rm $576,500 $4,539
Blk 569 Choa Chu Kang Street 52 746m 4-rm, 5-rm $570,000 $4,528
Blk 561 Choa Chu Kang North 6 747m Exec $723,444 $4,921
Blk 634 Choa Chu Kang North 6 760m 4-rm, Exec $452,500 $4,004
Blk 787 Choa Chu Kang North 6 781m 4-rm, 5-rm $472,500 $3,663
Blk 568 Choa Chu Kang Street 52 793m 4-rm, 5-rm $572,500 $4,735
Blk 788 Choa Chu Kang North 6 795m 4-rm, 5-rm $585,000 $4,766
Blk 559 Choa Chu Kang North 6 796m Exec $721,500 $4,925
Blk 560 Choa Chu Kang North 6 798m Exec $590,500 $4,031
Blk 563 Choa Chu Kang Street 52 800m 4-rm, 5-rm $582,000 $4,583
Blk 555 Choa Chu Kang North 6 801m Exec $620,000 $4,189
Blk 789 Choa Chu Kang North 6 812m 4-rm, 5-rm $536,000 $4,374
Blk 790 Choa Chu Kang North 6 829m 4-rm, 5-rm $488,000 $4,396
Blk 564 Choa Chu Kang Street 52 835m 4-rm, 5-rm $559,000 $5,036
Blk 554 Choa Chu Kang North 6 838m Exec $705,000 $4,796
Blk 558 Choa Chu Kang North 6 841m Exec $585,000 $3,993
Blk 556 Choa Chu Kang North 6 848m Exec $560,000 $3,801
Blk 557 Choa Chu Kang North 6 848m Exec $595,500 $4,068
Blk 553 Choa Chu Kang North 6 851m Exec $690,000 $4,678
Blk 567 Choa Chu Kang Street 52 857m 4-rm, 5-rm $470,000 $3,750
Blk 786 Choa Chu Kang Drive 873m 4-rm, 5-rm $497,000 $4,259
Blk 791 Choa Chu Kang North 6 877m 4-rm, 5-rm $500,000 $4,438
Blk 792 Choa Chu Kang North 6 889m 4-rm, 5-rm $485,000 $4,040
Blk 565 Choa Chu Kang Street 52 891m 4-rm, 5-rm $556,000 $4,502
Blk 784 Choa Chu Kang Drive 899m 4-rm, 5-rm $525,000 $4,545
Blk 566 Choa Chu Kang Street 52 915m 4-rm, 5-rm $586,500 $4,927
Blk 785 Choa Chu Kang Drive 917m 4-rm, 5-rm $540,000 $4,444
Blk 573 Choa Chu Kang Street 52 943m 3-rm, 4-rm $435,000 $4,783
Blk 574 Choa Chu Kang Street 52 949m 3-rm, 4-rm $430,000 $4,731
Blk 770 Choa Chu Kang Street 54 968mborderline 4-rm, 5-rm $475,444 $4,128
Blk 771 Choa Chu Kang Street 54 987mborderline 4-rm, 5-rm $459,000 $4,222
Blk 570 Choa Chu Kang Street 52 989mborderline 3-rm, 4-rm $415,000 $4,866
The 1–2km band: 72 more HDB blocks (second priority tier)
BlockDistanceFlat typesMedian price
Blk 571 Choa Chu Kang Street 52 1004m 3-rm $374,500
Blk 543 Choa Chu Kang Street 52 1018m 4-rm, 5-rm $392,500
Blk 552 Choa Chu Kang Street 52 1018m 4-rm, 5-rm $535,000
Blk 572 Choa Chu Kang Street 52 1022m 3-rm, 4-rm $422,500
Blk 768 Choa Chu Kang Street 54 1025m Exec $608,000
Blk 551 Choa Chu Kang Street 52 1032m 4-rm, 5-rm $476,500
Blk 767 Choa Chu Kang Street 54 1038m 4-rm, 5-rm $485,000
Blk 769 Choa Chu Kang Street 54 1040m 4-rm, 5-rm $440,000
Blk 542 Choa Chu Kang Street 52 1045m 4-rm, 5-rm $430,000
Blk 544 Choa Chu Kang Street 52 1063m 4-rm, 5-rm $450,000
Blk 759 Choa Chu Kang North 5 1064m Exec $730,000
Blk 758 Choa Chu Kang North 5 1071m Exec $612,000
Blk 766 Choa Chu Kang North 5 1071m 4-rm, 5-rm $480,000
Blk 550 Choa Chu Kang Street 52 1077m 4-rm, 5-rm $465,000
Blk 761 Choa Chu Kang North 5 1085m 4-rm, 5-rm $440,000
Blk 760 Choa Chu Kang North 5 1086m 4-rm, 5-rm $574,000
Blk 764 Choa Chu Kang North 5 1098m Exec $580,000
Blk 545 Choa Chu Kang Street 52 1101m 4-rm, 5-rm $439,000
Blk 757 Choa Chu Kang North 5 1109m Exec $680,000
Blk 763 Choa Chu Kang North 5 1122m 4-rm, 5-rm $423,888
Blk 549 Choa Chu Kang Street 52 1138m 4-rm, 5-rm $435,000
Blk 541 Choa Chu Kang Street 52 1146m 4-rm, 5-rm $478,000
Blk 540 Choa Chu Kang Street 52 1151m 4-rm, 5-rm $553,000
Blk 756 Choa Chu Kang North 5 1152m Exec $710,000
Blk 751 Choa Chu Kang North 5 1154m 4-rm, 5-rm $507,500
Blk 546 Choa Chu Kang Street 52 1155m 4-rm, 5-rm $540,000
Blk 753 Choa Chu Kang North 5 1157m Exec $571,000
Blk 755 Choa Chu Kang North 5 1162m Exec $612,500
Blk 754 Choa Chu Kang North 5 1166m Exec $677,500
Blk 765 Choa Chu Kang North 5 1166m 4-rm, 5-rm $415,000
Blk 547 Choa Chu Kang Street 52 1166m 4-rm, 5-rm $568,888
Blk 752 Choa Chu Kang North 5 1171m 4-rm, 5-rm $480,000
Blk 762 Choa Chu Kang North 5 1173m 4-rm, 5-rm $480,000
Blk 548 Choa Chu Kang Street 52 1176m 4-rm, 5-rm $430,000
Blk 702 Choa Chu Kang Street 53 1228m 4-rm, 5-rm $500,888
Blk 708 Choa Chu Kang Street 53 1238m 4-rm, 5-rm $461,000
Blk 701 Choa Chu Kang Street 53 1239m 4-rm, 5-rm $460,000
Blk 531 Choa Chu Kang Street 51 1246m Exec $700,000
Blk 530 Choa Chu Kang Street 51 1259m Exec $626,444
Blk 703 Choa Chu Kang Street 53 1279m 4-rm, 5-rm $498,944
Blk 529 Choa Chu Kang Street 51 1286m Exec $450,000
Blk 528 Choa Chu Kang Street 51 1293m Exec $715,000
Blk 535 Choa Chu Kang Street 51 1312m 2-rm, 3-rm $285,000
Blk 527 Choa Chu Kang Street 51 1352m Exec $665,000
Blk 516 Choa Chu Kang Street 51 1365m 4-rm, 5-rm $375,000
Blk 517 Choa Chu Kang Street 51 1373m 4-rm, 5-rm $503,000
Blk 704 Choa Chu Kang Street 53 1376m 4-rm, 5-rm $461,500
Blk 707 Choa Chu Kang Street 53 1379m 4-rm, 5-rm $454,000
Blk 706 Choa Chu Kang Street 53 1380m 4-rm, 5-rm $444,000
Blk 526 Choa Chu Kang Street 51 1383m Exec $550,444
Blk 705 Choa Chu Kang Street 53 1383m 4-rm, 5-rm $510,000
Blk 525 Choa Chu Kang Street 51 1384m Exec $471,000
Blk 524 Choa Chu Kang Street 51 1395m Exec $555,000
Blk 523 Choa Chu Kang Street 51 1413m Exec $575,000
Blk 518 Choa Chu Kang Street 51 1417m 4-rm, 5-rm $432,000
Blk 515 Choa Chu Kang Street 51 1447m 5-rm $527,000
Blk 514 Choa Chu Kang Street 51 1448m 4-rm, 5-rm $492,944
Blk 501 Choa Chu Kang Street 51 1519m 4-rm, 5-rm $439,500
Blk 513 Choa Chu Kang Street 51 1525m 5-rm $565,000
Blk 502 Choa Chu Kang Street 51 1568m 5-rm $540,000
Blk 504 Choa Chu Kang Street 51 1582m 4-rm, 5-rm $475,000
Blk 512 Choa Chu Kang Street 51 1601m 5-rm $450,000
Blk 505 Choa Chu Kang Street 51 1610m 4-rm, 5-rm $415,000
Blk 511 Choa Chu Kang Street 51 1635m 5-rm $544,444
Blk 507 Choa Chu Kang Street 51 1640m 5-rm $480,000
Blk 506 Choa Chu Kang Street 51 1652m 4-rm, 5-rm $462,500
Blk 503 Choa Chu Kang Street 51 1685m 5-rm $558,344
Blk 508 Choa Chu Kang Street 51 1703m 5-rm $455,000
Blk 5 Jalan Batu 1709m 3-rm, 4-rm $310,000
Blk 509 Choa Chu Kang Street 51 1735m 5-rm $550,000
Blk 510 Choa Chu Kang Street 51 1756m 5-rm $455,000
Blk 308 Choa Chu Kang Avenue 4 1965m 5-rm $600,000
Private condos nearby

5 private condos sit inside the 1 km Primary 1 priority zone for Unity Primary School, of 7 within 2 km. The same home–school distance rule applies whether the home is an HDB flat or a private condo. Median around $975 psf.

Browse every private condo by district
Distances are straight-line (aerial) from the development, the same basis MOE uses for Home–School Distance priority. Private-property prices are median $psf from URA caveat data and indicate the development, not a specific unit.

Buying an HDB flat near Unity Primary School

Parents who want Unity Primary School for their child often buy a home within 1km to secure Primary 1 distance priority. There are 133 HDB blocks inside that 1km radius, in Choa Chu Kang and the surrounding Choa Chu Kang, with a median 4-room resale price of $438,694 and entry-level blocks from around $369,000. MOE measures home-school distance as a straight line, which is exactly how the figures here are calculated. All prices are actual resale transactions from data.gov.sg, updated monthly.

Frequently asked questions

What HDB flats are within 1km of Unity Primary School?

There are 133 HDB blocks within 1km of Unity Primary School, with a median 4-room resale price of $438,694 and a cheapest entry around $369,000. Distances are straight-line, the same basis MOE uses.

Why does living within 1km of Unity Primary School matter for P1 registration?

If a school is oversubscribed and goes to ballot, MOE gives priority by home-school distance: Singapore Citizens within 1km first, then 1–2km, then beyond 2km. A home within 1km gives your child the best chance in a ballot.

What is the cheapest HDB flat near Unity Primary School?

The most affordable block within 1km of Unity Primary School is Block 668 Choa Chu Kang Crescent, with a median resale price around $369,000. Prices vary by flat type, floor, and lease.

How many Primary 1 places does Unity Primary School have for 2027, and how competitive is it?

Unity Primary School has 180 Primary 1 places for the 2027 cohort. If applicants exceed places when it is chosen, MOE settles the place by home-school distance: within 1km first, then 1–2km. Live vacancy and balloting figures are on the MOE vacancies page.

Resale prices: HDB Resale Flat Prices, data.gov.sg. School location: MOE School Directory. Distances are indicative straight-line estimates; confirm with MOE.