Block 233 Hougang St 21
233 Hougang St 21, Singapore 530233
Block 233 Hougang St 21 is an HDB block in Hougang, completed in 1983, with 28 dwelling units. Across 29 resales on record, 5-Room flats have recently resold around S$621k (S$433 psf, 139 sqm). The lease has approximately 58 years remaining.
What are the key facts about Block 233 Hougang St 21?
Block 233 Hougang St 21 is an HDB block in Hougang, completed in 1983, with 28 dwelling units.
- Town
- Hougang
- Planning area
- Hougang
- Completed
- 1983
- Storeys
- 4
- Total units
- 28
- Flat model
- Model A-Maisonette · Model A
- Market segment
- OCR
- Median resale
- S$621k
- Last transacted
- Sept 2025
- Remaining lease
- ≈ 58 years
What are resale prices at Block 233 Hougang St 21?
5-Room flats have recently resold around S$621k (S$433 psf), from 29 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 6 | S$245,000recent | 107 sqm | S$221 psf |
| 5-Room | 23 | S$515,000recent | 139 sqm | S$344 psf |
Live now: 3 flats listed for sale at this block (median asking S$658k) — 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 Sept 2025.
What rent and yield does Block 233 Hougang St 21 get?
Flats at Block 233 Hougang St 21 have recently sublet for a median of S$3,300/mo, an indicative gross rental yield of about 6.4% (from 4 recent rental contracts).
Median rent
S$3,300/mo
4 recent contracts
Gross rental yield
6.4%
indicative, gross
Annual rent
S$39,600
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 Nov 2024. Source: HDB rental (subletting) data.
What has recently sold at Block 233 Hougang St 21?
Block 233 Hougang St 21 has 29 recorded resales; the most recent transacted at S$1,000,000 in Sept 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Sept 2025 | 5-Room | 01 TO 03 | 139 sqm | S$1,000,000 |
| Jul 2024 | 4-Room | 04 TO 06 | 103 sqm | S$621,000 |
| May 2023 | 5-Room | 01 TO 03 | 139 sqm | S$930,000 |
| Jul 2018 | 5-Room | 01 TO 03 | 144 sqm | S$720,000 |
| Mar 2017 | 5-Room | 01 TO 03 | 137 sqm | S$670,888 |
| Oct 2015 | 4-Room | 01 TO 03 | 110 sqm | S$513,000 |
| Jan 2014 | 5-Room | 01 TO 03 | 139 sqm | S$760,000 |
| May 2012 | 5-Room | 01 TO 05 | 144 sqm | S$655,000 |
| Aug 2010 | 5-Room | 01 TO 03 | 139 sqm | S$515,000 |
| Aug 2009 | 5-Room | 01 TO 03 | 144 sqm | S$475,000 |
| May 2008 | 5-Room | 01 TO 03 | 139 sqm | S$420,000 |
| May 2008 | 5-Room | 01 TO 03 | 139 sqm | S$485,000 |
What flat types are in Block 233 Hougang St 21?
Block 233 Hougang St 21 has 28 units, mostly 5-Room flats of the Model A-Maisonette / Model A model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 233 Hougang St 21?
Block 233 Hougang St 21 is an HDB block in Hougang.
Block 233 Hougang St 21 is an HDB block located along Hougang St 21. The block is recorded as completed around 1983, with up to 4 storeys. It has an estimated 28 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 233 Hougang St 21, Singapore 530233. It is part of District 19, Serangoon Garden / Hougang / Punggol, the Hougang planning area. The block falls within the North-East Region and the OCR market segment.
The nearest rail connection is Kovan MRT, approximately 418m away, around 6 minutes on foot. Nearby amenities include Heartland Mall Kovan for shopping, COLD STORAGE SINGAPORE (1983) PTE LTD for groceries, Kovan Market & Food Centre for food options, Aroozoo Ave Pg for greenery and recreation, and Paya Lebar Kovan Community Club for community facilities.
How far is Block 233 Hougang St 21 from MRT and schools?
The nearest MRT/LRT to Block 233 Hougang St 21 is Kovan MRT, about 418 m away (~7 min walk). 5 schools are within 1 km, including 2 primary schools.
Getting around
- Kovan MRT418 m · ~7 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Yuying Secondary SchoolSecondary schoolwithin 1 km256 m
- Xinghua Primary SchoolPrimary schoolwithin 1 km · P1 priority275 m
- Anderson Serangoon Junior CollegeJunior collegewithin 1 km809 m
- Paya Lebar Methodist Girls' School (Secondary)Secondary schoolwithin 1 km828 m
- Paya Lebar Methodist Girls' School (Primary)Primary schoolwithin 1 km · P1 priority988 m
- 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 233 Hougang St 21?
Buying a flat at Block 233 Hougang St 21 (~S$621k) needs about S$4,950/mo in income and S$2,332/mo in repayments, after S$13,230 stamp duty and a S$155k downpayment.
Illustrative, for a buyer at the recent median resale price (S$621k) — 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$13,230
BSD, tiered
Downpayment (25%)
S$155k
cash + CPF
Monthly instalment
S$2,332/mo
25y @ 3.5%
Income required
S$4,950/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 233 Hougang St 21? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
PropKakiRecent sales at Block 233 Hougang St 21 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 233 Hougang St 21
How much does a 5-Room flat at Block 233 Hougang St 21 cost?⌄
5-Room flats at Block 233 Hougang St 21 have recently resold for a median of about S$621k (S$433 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 233 Hougang St 21 by flat type?⌄
4-Room ≈ S$245k; 5-Room ≈ S$515k (median resale, HDB caveats).
Is Block 233 Hougang St 21 worth buying given its remaining lease?⌄
Block 233 Hougang St 21 has about 58 years left on its 99-year lease (completed 1983). Below ~60 years, CPF usage and the maximum loan start to taper with the buyer's age, so check financing before committing. The figure is taken from the most recent transacted flat.
What is the rental yield at Block 233 Hougang St 21?⌄
Gross rental yield at Block 233 Hougang St 21 is about 6.4%, based on a median subletting rent of about S$3,300/mo against a resale price of about S$621k. 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 233 Hougang St 21?⌄
For a flat at about S$621k on a 25-year HDB-style loan, you'd need roughly S$4,950/mo in household income, with repayments around S$2,332/mo after a S$155k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
What is the nearest MRT to Block 233 Hougang St 21?⌄
The nearest MRT/LRT station to Block 233 Hougang St 21 is Kovan MRT, about 418 m away (~7 min walk).
Which primary schools are within 1 km of Block 233 Hougang St 21?⌄
Xinghua Primary School, Paya Lebar Methodist Girls' School (Primary) are within 1 km of Block 233 Hougang St 21 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.