Block 231 Hougang St 21
231 Hougang St 21, Singapore 530231
Block 231 Hougang St 21 is an HDB block in Hougang, completed in 1983, with 102 dwelling units. 5-Room flats have recently resold around S$980k (140 sqm), from 143 resales on record. The lease has approximately 58 years remaining.
What are the key facts about Block 231 Hougang St 21?
Block 231 Hougang St 21 is an HDB block in Hougang, completed in 1983, with 102 dwelling units.
- Town
- Hougang
- Planning area
- Hougang
- Completed
- 1983
- Storeys
- 13
- Total units
- 102
- Market segment
- OCR
- Median resale
- S$980k
- Last transacted
- Jan 2026
- Remaining lease
- ≈ 58 years
What are resale prices at Block 231 Hougang St 21?
5-Room flats have recently resold around S$980k (S$641 psf), from 143 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 30 | S$400,000recent | 109 sqm | S$341 psf |
| 5-Room | 113 | S$980,000recent | 142 sqm | S$641 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 Jan 2026.
What has recently sold at Block 231 Hougang St 21?
Block 231 Hougang St 21 has 143 recorded resales; the most recent transacted at S$980,000 in Jan 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Jan 2026 | 5-Room | 04 TO 06 | 142 sqm | S$980,000 |
| Sept 2025 | 5-Room | 10 TO 12 | 142 sqm | S$1,028,000 |
| May 2025 | 5-Room | 01 TO 03 | 140 sqm | S$990,000 |
| Feb 2025 | 5-Room | 07 TO 09 | 140 sqm | S$1,070,888 |
| Aug 2024 | 5-Room | 10 TO 12 | 142 sqm | S$1,150,000 |
| Jun 2024 | 5-Room | 10 TO 12 | 142 sqm | S$1,088,000 |
| Apr 2024 | 5-Room | 04 TO 06 | 142 sqm | S$991,688 |
| Apr 2024 | 5-Room | 04 TO 06 | 140 sqm | S$900,000 |
| Mar 2024 | 5-Room | 01 TO 03 | 142 sqm | S$900,000 |
| Feb 2024 | 4-Room | 10 TO 12 | 103 sqm | S$585,000 |
| Nov 2023 | 4-Room | 10 TO 12 | 109 sqm | S$600,000 |
| Nov 2023 | 4-Room | 07 TO 09 | 109 sqm | S$615,000 |
What flat types are in Block 231 Hougang St 21?
Block 231 Hougang St 21 has 102 units, mostly 5-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 231 Hougang St 21 from MRT and schools?
The nearest MRT/LRT to Block 231 Hougang St 21 is Kovan MRT, about 389 m away (~6 min walk). 4 schools are within 1 km, including 1 primary school.
Getting around
- Kovan MRT389 m · ~6 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Yuying Secondary SchoolSecondary schoolwithin 1 km278 m
- Xinghua Primary SchoolPrimary schoolwithin 1 km · P1 priority287 m
- Anderson Serangoon Junior CollegeJunior collegewithin 1 km775 m
- Paya Lebar Methodist Girls' School (Secondary)Secondary schoolwithin 1 km854 m
- Paya Lebar Methodist Girls' School (Primary)Primary school1.0 km
- Holy Innocents' Primary SchoolPrimary school1.2 km
- Xinmin Primary SchoolPrimary school1.6 km
- Xinmin Secondary SchoolSecondary school1.7 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 231 Hougang St 21?
Buying a flat at Block 231 Hougang St 21 (~S$980k) needs about S$7,812/mo in income and S$3,680/mo in repayments, after S$24,000 stamp duty and a S$245k downpayment.
Illustrative, for a buyer at the recent median resale price (S$980k) — 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$24,000
BSD, tiered
Downpayment (25%)
S$245k
cash + CPF
Monthly instalment
S$3,680/mo
25y @ 3.5%
Income required
S$7,812/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.
Frequently asked questions about Block 231 Hougang St 21
What is the resale price at Block 231 Hougang St 21?⌄
5-Room flats at Block 231 Hougang St 21 have recently resold around S$980k (140 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 231 Hougang St 21 by flat type?⌄
4-Room ≈ S$400k; 5-Room ≈ S$980k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 231 Hougang St 21?⌄
Block 231 Hougang St 21 has approximately 58 years left on its 99-year lease (completed 1983). This figure is taken from the most recent transacted flat.
How many units are in Block 231 Hougang St 21?⌄
Block 231 Hougang St 21 has 102 dwelling units across up to 13 storeys, mostly 5 room flats.
What is the nearest MRT to Block 231 Hougang St 21?⌄
The nearest MRT/LRT station to Block 231 Hougang St 21 is Kovan MRT, about 389 m away (~6 min walk).
Which primary schools are within 1 km of Block 231 Hougang St 21?⌄
Xinghua Primary School is within 1 km of Block 231 Hougang St 21 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 231 Hougang St 21 a good place to buy an HDB resale flat?⌄
Block 231 Hougang St 21 sits in Hougang, in the Hougang planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈58 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
