Block 231 Hougang ST 21
530231 · Lorong Ah Soo · Hougang · Built 1983 · Lease from 1984 · ~57 yrs lease left · 102 units · 13 floors
Block 231 Hougang ST 21 in Hougang scores 80.6/100 overall on the Singapore Block Liveability Index. It is 5.4 minutes’ walk from Kovan Mrt Station MRT, 3.4 minutes from Hougang Street 21 Blk 209 (Kovan Hougang Market and Food Centre), and 274 m straight-line from Xinghua Primary School.
Where it is
OneMap · SLABlock 231 Hougang ST 21, Singapore 530231
Pillar scores
- Transport
- 87
- Food
- 95
- Schools
- 100
- Healthcare
- 64
- Daily needs
- 100
- Green space
- 96
- Connectivity
- 49
- Value (lease)
- 34
- Leisure
- 52
- EV charging
- 100
Who it suits
- Overall
- 81
- Young Families
- 84
- Seniors
- 79
- Renters
- 78
- Investors
- 65
- EV Owners
- 81
Commute by public transport
OneMap routing · weekday 08:00- Raffles Placecity centre
- 37.3min
- one-north
- 41.4min
- Jurong East
- 54.4min
- Changi Airport
- 58.2min
Getting to the city centre
weekday 08:00 · OneMap37 min door to door · S$1.90 · 2 transfers · 9 min (560 m) walking · 9 min waiting · 19 min riding
- Walk 4 min (230 m) to Blk 232
- Bus 146 · SBS Transit
Blk 232 → Kovan · 2 stops · 2 min - Walk 1 min (97 m) to Kovan
- North East Line · SBS Transit
Kovan → Dhoby Ghaut · 7 stops · 14 min - Walk 3 min (205 m) to Dhoby Ghaut
- North-South Line · SMRT Corporation
Dhoby Ghaut → Raffles Place · 2 stops · 3 min - Walk 0 min (28 m) to Destination
What’s nearby
walk times, door to doorDistance from centre is real walk time (rings at 5 / 10 / 15 min); the angle only spreads categories apart — it is not compass bearing.
MRT stations
transit- Kovan Mrt Station5.4 min
- Kovan Mrt Station9.8 min
- Kovan Mrt Station10.6 min
Hawker centres
food- Hougang Street 21 Blk 209 (Kovan Hougang Market and Food Centre)3.4 min
- Hougang Ave 1 Blk 105 (Hougang 105 Hainanese Village Centre)8.4 min
- Ci Yuan Hawker Centre35 min
Eateries nearby
food- Mcdonald'S Restaurants Pte. Ltd.A2 min
- sharon alyssia sng mei yunB3 min
- Lee Qian Ying3 min
- Srisun Prata . Com Food Holding'S Pte. Ltd.B3 min
- Hatter Street Pte LtdA3 min
- Knuckles Pte LtdA3 min
Hygiene grades from SFA (NEA licensed eateries).
Supermarkets
daily- Cold Storage Singapore (1983) Pte Ltd4.9 min
- Ntuc Fairprice Co-Operative Ltd6.1 min
- Prime Supermarket (1996) Pte Ltd9 min
CHAS clinics
health- Healthcare Medical @ Kovan2 min
- Lim Country Clinic2 min
- Parkway Shenton Medical Group4.9 min
Parks & green
green- Aroozoo Ave Pg6.6 min
- Surin Ave Neighbourhood Pk8 min
- Richards Ave Pk13.1 min
Primary schools
straight-lineEldercare centres
care- Jia Ying Senior Activity Centre14.2 min
- Jia Ying Senior Activity Centre @ 25 (Branch)16.6 min
- Fei Yue Senior Group Home @ Hougang17.9 min
Community clubs
leisure- Paya Lebar Kovan CC (Pending U/C)3.3 min
- Aljunied CC7.5 min
- Hougang CC15.6 min
Libraries
leisure- Cheng San Public Library29.8 min
- Serangoon Public Library29.9 min
EV charging
ev- Blk 231/233/235/237 Hougang Street 211.3 min
- Blk 230/232/234/236/238 Hougang Avenue 14.2 min
- The Promenade@Pelikat5.8 min
What’s within a walk
OSRM foot · OneMapWithin ~10 minutes on foot: 2 MRT, 2 hawker centres, 3 supermarkets, 2 parks, 4 clinics.
Shaded areas are real pedestrian reach (OSRM foot routing), sampled on a grid — an approximate schematic, not a legal boundary.Buses near here
LTA stops · OneMap routing- Stop 632391.6 min walk · 59 m
- Stop 632311.8 min walk · 72 m
- BLK 2324 min walk146
Services seen boarding near this block on real OneMap public-transport routes — not a full timetable. Check the LTA / bus operator app for live arrivals.
Who lives here
Census 2020 · Hougang planning area- Age profile
- In Hougang, 12.7% of residents are under 15 and 16.3% are 65 or older.
- 55–598.4%60–648.2%25–297.7%30–347.6%
- Household income
- 38.8% of Hougang households earn $10,000 or more a month (gross, from work).
- $20,000+12.7%No working person11.3%$2,000–2,9996%$3,000–3,9995.7%
- Dwelling mix
- 77.2% of Hougang households live in HDB flats; 22.6% in condominiums or landed homes.
- HDB 4 room flats37.2%HDB 5 room and executive flats21.2%HDB 3 room flats14.6%Condominiums and other apartments14.5%
- Household size
- 37.5% of Hougang households are one or two people; 2-person households are the most common.
- 2-person22.8%4-person21.4%3-person19.9%1-person14.7%
- In education
- Of Hougang residents currently in education, 27.8% attend polytechnic or university.
- Primary31.1%Secondary24%University16.4%Polytechnic11.4%
- Commute to work
- 58.7% of working Hougang residents commute by public transport; 28.4% drive or ride.
- MRT LRT and bus28.2%Car21.4%Bus18.1%MRT LRT only10.3%
Resident data for the Hougang planning area, Census 2020 — Singapore Department of Statistics, via OneMap (Singapore Land Authority).
Can I afford this?
est. ~S$853k · executiveSet your budget to see if this block fits. Not sure? work it out from your income →
Value for money
liveability vs price · like-for-likeAmong executive HDB flats islandwide (774 compared), Blk 231 Hougang ST 21 is more liveable than 99% of them but pricier than 62% — around S$610/psf for executive (as of 2026-06).
Percentiles rank this home only against comparable ones (executive HDB flats islandwide). A transparent price-vs-liveability comparison from real resale data — not a valuation or fair-price estimate. as of 2026-06
Is it worth it?
liveability · price trend · leaseBlock 231 offers an outstanding liveability score (80.6/100). On price, resale prices here have moved roughly in step with the wider market and the lease is mid-life (~57 years left).
A plain-language read, not financial advice. Liveability and lease come from the index; price signals from data.gov.sg resale transactions for Lorong Ah Soo. We do not publish a fair-price estimate.
Prices & transactions — Blk 231 Hougang ST 21
Actual registered resale prices · source data.gov.sg · we show real sale ranges, not an estimated valuation
Recent sales at Blk 231 Hougang ST 21
| Month | Type | Storey | Area | Price | PSF |
|---|---|---|---|---|---|
| Jan '26 | 5-room | 04 TO 06 | 142 m² | S$980k | S$641 |
| Sep '25 | 5-room | 10 TO 12 | 142 m² | S$1.03m | S$673 |
| May '25 | 5-room | 01 TO 03 | 140 m² | S$990k | S$657 |
| Feb '25 | 5-room | 07 TO 09 | 140 m² | S$1.07m | S$711 |
| Aug '24 | 5-room | 10 TO 12 | 142 m² | S$1.15m | S$752 |
Subzone medians — Lorong Ah Soo
Latest median resale price per sq ft by flat type · 12-month change · source data.gov.sg
See what’s for sale
Browse current for-sale listings near Blk 231 Hougang ST 21 on Singapore’s property portals. These open on third-party sites — SG Block Index doesn’t list or sell property.