HDBOCRPunggol

Block 231B Sumang Lane

231B Sumang Lane, Singapore 822231

Reviewed by Nathan TangUpdated 10 August 2026Data through Jul 2026 (HDB)
Quick Summary

Block 231B Sumang Lane is an HDB block in Punggol, completed in 2017, with 96 dwelling units. Across 33 resales on record, 5-Room flats have recently resold around S$710k (S$625 psf, 113 sqm). The lease has approximately 91 years remaining.

1

What are the key facts about Block 231B Sumang Lane?

Key Takeaway

Block 231B Sumang Lane is an HDB block in Punggol, completed in 2017, with 96 dwelling units.

Town
Punggol
Planning area
Punggol
Completed
2017
Storeys
17
Total units
96
Flat model
Improved · Model A
Market segment
OCR
Median resale
S$710k
Last transacted
Jul 2026
Remaining lease
≈ 91 years
2

What are resale prices at Block 231B Sumang Lane?

Key Takeaway

5-Room flats have recently resold around S$710k (S$625 psf), from 33 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
4-Room12S$578,888recent93 sqmS$578 psf
5-Room21S$745,000recent113 sqmS$613 psf

Live now: 6 flats listed for sale at this block (median asking S$750k) and 6 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 Jul 2026.

3

What rent and yield does Block 231B Sumang Lane get?

Key Takeaway

Flats at Block 231B Sumang Lane have recently sublet for a median of S$3,600/mo, an indicative gross rental yield of about 6.1% (from 4 recent rental contracts).

Median rent

S$3,600/mo

4 recent contracts

Gross rental yield

6.1%

indicative, gross

Annual rent

S$43,200

median × 12 months

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 Oct 2025. Source: HDB rental (subletting) data.

4

What has recently sold at Block 231B Sumang Lane?

Key Takeaway

Block 231B Sumang Lane has 33 recorded resales; the most recent transacted at S$753,000 in Jul 2026 (HDB caveat data).

DateFlat typeStoreySizePrice
Jul 20265-Room10 TO 12113 sqmS$753,000
May 20264-Room13 TO 1593 sqmS$680,000
Apr 20265-Room07 TO 09113 sqmS$760,000
Mar 20265-Room01 TO 03113 sqmS$705,000
Aug 20255-Room01 TO 03113 sqmS$760,000
Jul 20254-Room16 TO 1893 sqmS$680,000
Feb 20255-Room07 TO 09113 sqmS$805,000
Dec 20245-Room10 TO 12113 sqmS$775,000
Sept 20244-Room16 TO 1893 sqmS$645,000
Jul 20245-Room13 TO 15113 sqmS$745,000
Jul 20245-Room01 TO 03113 sqmS$710,000
Jun 20245-Room04 TO 06113 sqmS$680,000
5

What flat types are in Block 231B Sumang Lane?

Key Takeaway

Block 231B Sumang Lane has 96 units, mostly 5-Room flats of the Improved / Model A model.

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

5-Room: 644-Room: 32
6

Where is Block 231B Sumang Lane?

Key Takeaway

Block 231B Sumang Lane is an HDB block in Punggol.

Block 231B Sumang Lane is an HDB block located along Sumang Lane. The block is recorded as completed around 2017, with up to 17 storeys. It has an estimated 96 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 231B Sumang Lane, Singapore 822231. It is part of District 19, Serangoon Garden / Hougang / Punggol, the Punggol planning area. The block falls within the North-East Region and the OCR market segment.

The nearest rail connection is Farmway LRT, approximately 601m away, around 9 minutes on foot. Nearby amenities include Compass One for shopping, U STARS SUPERMARKET PTE. LTD. for groceries, Anchorvale Village Hawker Centre for food options, Sengkang Riverside Pk for greenery and recreation, and Anchorvale Community Club for community facilities.

7

How far is Block 231B Sumang Lane from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 231B Sumang Lane is Farmway LRT, about 601 m away (~9 min walk). 5 schools are within 1 km, including 3 primary schools.

Getting around

Schools nearby

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

  • Outram Secondary SchoolSecondary schoolwithin 1 km487 m
  • Yusof Ishak Secondary SchoolSecondary schoolwithin 1 km756 m
  • Punggol Green Primary SchoolPrimary schoolwithin 1 km · P1 priority816 m
  • Springdale Primary SchoolPrimary schoolwithin 1 km · P1 priority847 m
  • Valour Primary SchoolPrimary schoolwithin 1 km · P1 priority995 m
  • Nan Chiau Primary SchoolPrimary school1.1 km
  • Compassvale Primary SchoolPrimary school1.1 km
  • Compassvale Secondary SchoolSecondary school1.1 km

Shops, food & parks

Mall: Compass One · 1.2 kmSupermarket: U Stars Supermarket Pte. Ltd. · 637 mHawker centre: Anchorvale Village Hawker Centre · 682 mPark: Sengkang Riverside Pk · 870 m

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

8

What does it cost to buy a flat at Block 231B Sumang Lane?

Key Takeaway

Buying a flat at Block 231B Sumang Lane (~S$710k) needs about S$5,660/mo in income and S$2,666/mo in repayments, after S$15,900 stamp duty and a S$178k downpayment.

Illustrative, for a buyer at the recent median resale price (S$710k) — 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$15,900

BSD, tiered

Downpayment (25%)

S$178k

cash + CPF

Monthly instalment

S$2,666/mo

25y @ 3.5%

Income required

S$5,660/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 231B Sumang Lane? Ask what it's worth.

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

PropKaki
What have flats at Block 231B Sumang Lane sold for recently?

Recent sales at Block 231B Sumang Lane land close to the town median — fair value, no big premium.

Ask anything about Singapore property…
9

Frequently asked questions about Block 231B Sumang Lane

How much does a 5-Room flat at Block 231B Sumang Lane cost?

5-Room flats at Block 231B Sumang Lane have recently resold for a median of about S$710k (S$625 psf), from 33 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.

What are resale prices at Block 231B Sumang Lane by flat type?

4-Room ≈ S$579k; 5-Room ≈ S$745k (median resale, HDB caveats).

Is Block 231B Sumang Lane worth buying given its remaining lease?

Block 231B Sumang Lane has about 91 years left on its 99-year lease (completed 2017). 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 231B Sumang Lane?

Gross rental yield at Block 231B Sumang Lane is about 6.1%, based on a median subletting rent of about S$3,600/mo against a resale price of about S$710k. 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 231B Sumang Lane?

For a flat at about S$710k on a 25-year HDB-style loan, you'd need roughly S$5,660/mo in household income, with repayments around S$2,666/mo after a S$178k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.

What is the nearest MRT to Block 231B Sumang Lane?

The nearest MRT/LRT station to Block 231B Sumang Lane is Farmway LRT, about 601 m away (~9 min walk).

Which primary schools are within 1 km of Block 231B Sumang Lane?

Punggol Green Primary School, Springdale Primary School, Valour Primary School are within 1 km of Block 231B Sumang Lane — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

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