HDBOCRYishun

Block 231 Yishun St 21

231 Yishun St 21, Singapore 760231

Reviewed by Nathan TangUpdated 10 August 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. Across 125 resales on record, 5-Room flats have recently resold around S$473k (S$369 psf, 121 sqm). 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
Flat model
Improved · New Generation
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

Live now: 10 flats listed for sale at this block (median asking S$587k) and 2 for rent search all listings.

“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 rent and yield does Block 231 Yishun St 21 get?

Key Takeaway

Flats at Block 231 Yishun St 21 have recently sublet for a median of S$3,100/mo, an indicative gross rental yield of about 7.9% (from 18 recent rental contracts).

Median rent

S$3,100/mo

18 recent contracts

Gross rental yield

7.9%

indicative, gross

Annual rent

S$37,200

median × 12 months

Flat typeContractsMedian rent
5-Room16S$3,000/mo

HDB subletting requires the flat owner to have met the 5-year Minimum Occupation Period (MOP), so the rental sample per block is small — treat the yield as indicative. Latest contract Jun 2026. Source: HDB rental (subletting) data.

4

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
5

What flat types are in Block 231 Yishun St 21?

Key Takeaway

Block 231 Yishun St 21 has 88 units, mostly 5-Room flats of the Improved / New Generation model.

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

5-Room: 764-Room: 12
6

Where is Block 231 Yishun St 21?

Key Takeaway

Block 231 Yishun St 21 is an HDB block in Yishun.

Block 231 Yishun St 21 is an HDB block located along Yishun St 21. The block is recorded as completed around 1984, with up to 12 storeys. It has an estimated 88 residential units based on the HDB property information dataset. Flat types in the block include 4-room and 5-room units.

The address is Block 231 Yishun St 21, Singapore 760231. It is part of District 27, Yishun / Sembawang, the Yishun planning area. The block falls within the North Region and the OCR market segment.

The nearest rail connection is Yishun MRT, approximately 564m away, around 9 minutes on foot. Nearby amenities include Junction 9 for shopping, COLD STORAGE SINGAPORE (1983) PTE LTD for groceries, Chong Pang Market & Food Centre # for food options, Yishun Neighbourhood Pk for greenery and recreation, Yishun Polyclinic for polyclinic services, and Nee Soon East Community Club for community facilities.

7

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.

8

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.

Wondering whether it will hold its value? See do HDB flats actually make money? →

Keep going in the PropKaki app

Eyeing Block 231 Yishun St 21? Ask what it's worth.

Recent transacted prices, what's nearby, and whether an asking price is fair.

PropKaki
What have flats at Block 231 Yishun St 21 sold for recently?

Recent sales at Block 231 Yishun St 21 land close to the town median — fair value, no big premium.

Ask anything about Singapore property…
9

Frequently asked questions about Block 231 Yishun St 21

How much does a 5-Room flat at Block 231 Yishun St 21 cost?

5-Room flats at Block 231 Yishun St 21 have recently resold for a median of about S$473k (S$369 psf), from 125 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.

What are resale prices at Block 231 Yishun St 21 by flat type?

4-Room ≈ S$219k; 5-Room ≈ S$472k (median resale, HDB caveats).

Is Block 231 Yishun St 21 worth buying given its remaining lease?

Block 231 Yishun St 21 has about 60 years left on its 99-year lease (completed 1984). That's a long runway, so CPF usage and bank financing are generally unrestricted. The figure is taken from the most recent transacted flat.

What is the rental yield at Block 231 Yishun St 21?

Gross rental yield at Block 231 Yishun St 21 is about 7.9%, based on a median subletting rent of about S$3,100/mo against a resale price of about S$473k. HDB subletting requires the owner to have met the 5-year MOP, so the per-block sample is small — treat this as indicative.

How much do I need to earn to buy a flat at Block 231 Yishun St 21?

For a flat at about S$473k on a 25-year HDB-style loan, you'd need roughly S$3,771/mo in household income, with repayments around S$1,776/mo after a S$118k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.

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.

Chat on WhatsApp