Block 231A Sumang Lane
231A Sumang Lane, Singapore 821231
Block 231A Sumang Lane is an HDB block in Punggol, completed in 2017, with 90 dwelling units. Across 29 resales on record, 4-Room flats have recently resold around S$665k (S$641 psf, 93 sqm). The lease has approximately 91 years remaining.
What are the key facts about Block 231A Sumang Lane?
Block 231A Sumang Lane is an HDB block in Punggol, completed in 2017, with 90 dwelling units.
- Town
- Punggol
- Planning area
- Punggol
- Completed
- 2017
- Storeys
- 17
- Total units
- 90
- Flat model
- Model A · Improved
- Market segment
- OCR
- Median resale
- S$665k
- Last transacted
- Jul 2026
- Remaining lease
- ≈ 91 years
What are resale prices at Block 231A Sumang Lane?
4-Room flats have recently resold around S$665k (S$641 psf), from 29 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 20 | S$618,000recent | 93 sqm | S$617 psf |
| 5-Room | 9 | S$725,000recent | 113 sqm | S$596 psf |
Live now: 0 flats listed for sale at this block and 3 for rent (median S$3,500/mo) — 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.
What rent and yield does Block 231A Sumang Lane get?
Flats at Block 231A Sumang Lane have recently sublet for a median of S$3,150/mo, an indicative gross rental yield of about 5.7% (from 7 recent rental contracts).
Median rent
S$3,150/mo
7 recent contracts
Gross rental yield
5.7%
indicative, gross
Annual rent
S$37,800
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| 4-Room | 7 | S$3,150/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 Apr 2026. Source: HDB rental (subletting) data.
What has recently sold at Block 231A Sumang Lane?
Block 231A Sumang Lane has 29 recorded resales; the most recent transacted at S$780,000 in Jul 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Jul 2026 | 5-Room | 13 TO 15 | 113 sqm | S$780,000 |
| May 2026 | 4-Room | 10 TO 12 | 93 sqm | S$668,000 |
| Apr 2026 | 4-Room | 04 TO 06 | 93 sqm | S$612,000 |
| Jan 2026 | 4-Room | 10 TO 12 | 93 sqm | S$660,888 |
| Jan 2026 | 4-Room | 16 TO 18 | 93 sqm | S$660,000 |
| Oct 2025 | 5-Room | 13 TO 15 | 113 sqm | S$788,000 |
| Aug 2025 | 4-Room | 04 TO 06 | 93 sqm | S$618,000 |
| Jun 2025 | 4-Room | 13 TO 15 | 93 sqm | S$653,000 |
| May 2025 | 4-Room | 16 TO 18 | 93 sqm | S$665,000 |
| Apr 2025 | 5-Room | 10 TO 12 | 113 sqm | S$725,000 |
| Nov 2024 | 5-Room | 04 TO 06 | 113 sqm | S$710,000 |
| Sept 2024 | 5-Room | 04 TO 06 | 113 sqm | S$738,000 |
What flat types are in Block 231A Sumang Lane?
Block 231A Sumang Lane has 90 units, mostly 4-Room flats of the Model A / Improved model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 231A Sumang Lane?
Block 231A Sumang Lane is an HDB block in Punggol.
Block 231A 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 90 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 231A Sumang Lane, Singapore 821231. 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 614m away, around 10 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.
How far is Block 231A Sumang Lane from MRT and schools?
The nearest MRT/LRT to Block 231A Sumang Lane is Farmway LRT, about 614 m away (~10 min walk). 5 schools are within 1 km, including 3 primary schools.
Getting around
- Farmway LRT614 m · ~10 min
- Cheng Lim LRT677 m · ~11 min
- Soo Teck LRT703 m · ~11 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Outram Secondary SchoolSecondary schoolwithin 1 km484 m
- Yusof Ishak Secondary SchoolSecondary schoolwithin 1 km730 m
- Punggol Green Primary SchoolPrimary schoolwithin 1 km · P1 priority770 m
- Springdale Primary SchoolPrimary schoolwithin 1 km · P1 priority850 m
- Valour Primary SchoolPrimary schoolwithin 1 km · P1 priority961 m
- Compassvale Primary SchoolPrimary school1.1 km
- Nan Chiau Primary SchoolPrimary school1.1 km
- Compassvale Secondary SchoolSecondary school1.1 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 231A Sumang Lane?
Buying a flat at Block 231A Sumang Lane (~S$665k) needs about S$5,301/mo in income and S$2,497/mo in repayments, after S$14,550 stamp duty and a S$166k downpayment.
Illustrative, for a buyer at the recent median resale price (S$665k) — 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$14,550
BSD, tiered
Downpayment (25%)
S$166k
cash + CPF
Monthly instalment
S$2,497/mo
25y @ 3.5%
Income required
S$5,301/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? →
Eyeing Block 231A Sumang Lane? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
PropKakiRecent sales at Block 231A Sumang Lane land close to the town median — fair value, no big premium.
Frequently asked questions about Block 231A Sumang Lane
How much does a 4-Room flat at Block 231A Sumang Lane cost?⌄
4-Room flats at Block 231A Sumang Lane have recently resold for a median of about S$665k (S$641 psf), from 29 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
What are resale prices at Block 231A Sumang Lane by flat type?⌄
4-Room ≈ S$618k; 5-Room ≈ S$725k (median resale, HDB caveats).
Is Block 231A Sumang Lane worth buying given its remaining lease?⌄
Block 231A 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 231A Sumang Lane?⌄
Gross rental yield at Block 231A Sumang Lane is about 5.7%, based on a median subletting rent of about S$3,150/mo against a resale price of about S$665k. 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 231A Sumang Lane?⌄
For a flat at about S$665k on a 25-year HDB-style loan, you'd need roughly S$5,301/mo in household income, with repayments around S$2,497/mo after a S$166k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
What is the nearest MRT to Block 231A Sumang Lane?⌄
The nearest MRT/LRT station to Block 231A Sumang Lane is Farmway LRT, about 614 m away (~10 min walk).
Which primary schools are within 1 km of Block 231A Sumang Lane?⌄
Punggol Green Primary School, Springdale Primary School, Valour Primary School are within 1 km of Block 231A Sumang Lane — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.