PropKaki
HDBOCRYishun

Block 231 Yishun St 21

231 Yishun St 21, Singapore 760231

Reviewed by Nathan TangUpdated 21 June 2026Data through Mar 2024 (HDB)
Quick Summary

Block 231 Yishun St 21 is an HDB block in Yishun, completed in 1984, with 88 dwelling units. 5-Room flats have recently resold around S$473k (121 sqm), from 125 resales on record. The lease has approximately 60 years remaining.

1

What are the key facts about Block 231 Yishun St 21?

Key Takeaway

Block 231 Yishun St 21 is an HDB block in Yishun, completed in 1984, with 88 dwelling units.

Town
Yishun
Planning area
Yishun
Completed
1984
Storeys
12
Total units
88
Market segment
OCR
Median resale
S$473k
Last transacted
Mar 2024
Remaining lease
≈ 60 years
2

What are resale prices at Block 231 Yishun St 21?

Key Takeaway

5-Room flats have recently resold around S$473k (S$369 psf), from 125 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
4-Room15S$219,000recent95 sqmS$208 psf
5-Room110S$472,000recent121 sqmS$362 psf

“Recent” medians use the latest transactions; for older blocks the all-time median spans 30+ years and understates today’s price. Source: HDB resale caveats, through Mar 2024.

3

What has recently sold at Block 231 Yishun St 21?

Key Takeaway

Block 231 Yishun St 21 has 125 recorded resales; the most recent transacted at S$610,000 in Mar 2024 (HDB caveat data).

DateFlat typeStoreySizePrice
Mar 20245-Room07 TO 09126 sqmS$610,000
Oct 20235-Room07 TO 09126 sqmS$590,000
Apr 20235-Room07 TO 09121 sqmS$568,000
Jan 20234-Room10 TO 1295 sqmS$473,000
Apr 20225-Room07 TO 09121 sqmS$560,000
Sept 20215-Room04 TO 06126 sqmS$500,000
Jul 20215-Room04 TO 06121 sqmS$470,000
Jun 20215-Room10 TO 12126 sqmS$528,000
Mar 20215-Room04 TO 06121 sqmS$472,000
Sept 20205-Room04 TO 06126 sqmS$395,000
Aug 20205-Room01 TO 03121 sqmS$400,000
Sept 20195-Room04 TO 06126 sqmS$390,000
4

What flat types are in Block 231 Yishun St 21?

Key Takeaway

Block 231 Yishun St 21 has 88 units, mostly 5-Room flats.

Unit stock by flat type, from the HDB property information dataset.

5-Room: 764-Room: 12
5

How far is Block 231 Yishun St 21 from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 231 Yishun St 21 is Yishun MRT, about 564 m away (~9 min walk). 7 schools are within 1 km, including 4 primary schools.

Getting around

Schools nearby

Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

  • Xishan Primary SchoolPrimary schoolwithin 1 km · P1 priority101 m
  • Yishun Town Secondary SchoolSecondary schoolwithin 1 km225 m
  • Yishun Primary SchoolPrimary schoolwithin 1 km · P1 priority341 m
  • Northland Secondary SchoolSecondary schoolwithin 1 km388 m
  • Ahmad Ibrahim Primary SchoolPrimary schoolwithin 1 km · P1 priority471 m
  • Chongfu SchoolPrimary schoolwithin 1 km · P1 priority541 m
  • Ahmad Ibrahim Secondary SchoolSecondary schoolwithin 1 km848 m
  • Jiemin Primary SchoolPrimary school1.0 km

Shops, food & parks

Mall: Junction 9 · 507 mSupermarket: Cold Storage Singapore (1983) Pte Ltd · 192 mHawker centre: Chong Pang Market & Food Centre # · 993 mPark: Yishun Neighbourhood Pk · 467 m

Straight-line distances from the block. Source: PropKaki amenities data.

6

What does it cost to buy a flat at Block 231 Yishun St 21?

Key Takeaway

Buying a flat at Block 231 Yishun St 21 (~S$473k) needs about S$3,771/mo in income and S$1,776/mo in repayments, after S$8,790 stamp duty and a S$118k downpayment.

Illustrative, for a buyer at the recent median resale price (S$473k) — 25% downpayment (bank-loan basis), 25-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →

Buyer's Stamp Duty

S$8,790

BSD, tiered

Downpayment (25%)

S$118k

cash + CPF

Monthly instalment

S$1,776/mo

25y @ 3.5%

Income required

S$3,771/mo

MSR/TDSR @ stress rate

First-time HDB buyers pay no Additional Buyer’s Stamp Duty (ABSD) and may qualify for CPF Housing Grants of up to S$80,000+, which lower the cash required — these are not included above. An HDB concessionary loan also allows a smaller downpayment.

7

Frequently asked questions about Block 231 Yishun St 21

What is the resale price at Block 231 Yishun St 21?

5-Room flats at Block 231 Yishun St 21 have recently resold around S$473k (121 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.

How much are flats at Block 231 Yishun St 21 by flat type?

4-Room ≈ S$219k; 5-Room ≈ S$472k. Figures are median resale prices from HDB caveats.

How many years are left on the lease at Block 231 Yishun St 21?

Block 231 Yishun St 21 has approximately 60 years left on its 99-year lease (completed 1984). This figure is taken from the most recent transacted flat.

How many units are in Block 231 Yishun St 21?

Block 231 Yishun St 21 has 88 dwelling units across up to 12 storeys, mostly 5 room flats.

What is the nearest MRT to Block 231 Yishun St 21?

The nearest MRT/LRT station to Block 231 Yishun St 21 is Yishun MRT, about 564 m away (~9 min walk).

Which primary schools are within 1 km of Block 231 Yishun St 21?

Xishan Primary School, Yishun Primary School, Ahmad Ibrahim Primary School, Chongfu School are within 1 km of Block 231 Yishun St 21 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

Is Block 231 Yishun St 21 a good place to buy an HDB resale flat?

Block 231 Yishun St 21 sits in Yishun, in the Yishun planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈60 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.

Chat on WhatsApp
Try Now on WhatsApp