Block 423 Serangoon Ctrl
550423 · Upper Paya Lebar · Serangoon · Built 1988 · Lease from 1989 · ~62 yrs lease left · 60 units · 13 floors
Block 423 Serangoon Ctrl in Serangoon scores 72/100 overall on the Singapore Block Liveability Index. It is 4 minutes’ walk from Serangoon Mrt Station MRT, 19.2 minutes from Woodleigh Village Hawker Centre, and 794 m straight-line from Yangzheng Primary School.
Where it is
OneMap · SLABlock 423 Serangoon Ctrl, Singapore 550423
Pillar scores
- Transport
- 90
- Food
- 61
- Schools
- 100
- Healthcare
- 50
- Daily needs
- 57
- Green space
- 71
- Connectivity
- 70
- Value (lease)
- 44
- Leisure
- 82
- EV charging
- 100
Who it suits
- Overall
- 72
- Young Families
- 76
- Seniors
- 65
- Renters
- 71
- Investors
- 57
- EV Owners
- 78
Commute by public transport
OneMap routing · weekday 08:00- Raffles Placecity centre
- 28min
- one-north
- 31.1min
- Jurong East
- 45.2min
- Changi Airport
- 41.6min
Getting to the city centre
weekday 08:00 · OneMap28 min door to door · S$1.82 · 1 transfer · 10 min (622 m) walking · 3 min waiting · 14 min riding
- Walk 6 min (389 m) to Serangoon
- North East Line · SBS Transit
Serangoon → Dhoby Ghaut · 6 stops · 11 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- Serangoon Mrt Station4 min
- Serangoon Mrt Station4 min
- Serangoon Mrt Station4.7 min
Hawker centres
food- Woodleigh Village Hawker Centre19.2 min
- Hougang Street 21 Blk 209 (Kovan Hougang Market and Food Centre)26 min
- Hougang Ave 1 Blk 105 (Hougang 105 Hainanese Village Centre)28.8 min
Eateries nearby
food- O1O Pte. Ltd.A4.9 min
- St. Gabriel'S Secondary School5.3 min
- Ho See JewA5.3 min
- Tan Swee HuaA5.3 min
- Ang Huay KiongA5.3 min
- Kang Yok PengA5.3 min
Hygiene grades from SFA (NEA licensed eateries).
Supermarkets
daily- Ntuc Fairprice Co-Operative Ltd7.8 min
- Cold Storage Singapore (1983) Pte Ltd10.3 min
- Prime Supermarket (1996) Pte Ltd13.8 min
CHAS clinics
health- Drs Lim & Chan Clinic7 min
- Sterling Clinic & Surgery7.1 min
- OneDoctors Medical Centre7.6 min
Parks & green
green- Lorong Ong Lye Park7.1 min
- Upper Serangoon Park7.2 min
- How Sun Linear Park9.4 min
Primary schools
straight-lineEldercare centres
care- Fei Yue Senior Group Home @ Hougang28.1 min
- St John's Home for the Aged30.2 min
- PERTAPIS Senior Citizens Fellowship Home35.7 min
Community clubs
leisure- Braddell Heights CC (Pending U/C)10.4 min
- Bidadari CC (U/C)22.1 min
- Paya Lebar Kovan CC (Pending U/C)24.4 min
Libraries
leisure- Serangoon Public Library10.1 min
EV charging
ev- Blk 421/427 Serangoon Central/Avenue 11.2 min
- Blk 409/414 Serangoon Central/Avenue 14 min
- Blk 415-420 Lorong Lew Lian4.2 min
What’s within a walk
OSRM foot · OneMapWithin ~10 minutes on foot: 5 MRT, 1 supermarkets, 3 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 621791.8 min walk · 85 m
- Stop 621713.2 min walk · 109 m
Board here and check the LTA bus app for the services and live arrival times.
Who lives here
Census 2020 · Serangoon planning area- Age profile
- In Serangoon, 11.1% of residents are under 15 and 19.3% are 65 or older.
- 60–648.6%25–298%55–598%50–547.2%
- Household income
- 47.7% of Serangoon households earn $10,000 or more a month (gross, from work).
- $20,000+22.6%No working person14%$15,000–17,4995.4%$17,500–19,9994.7%
- Dwelling mix
- 57.9% of Serangoon households live in HDB flats; 41.8% in condominiums or landed homes.
- HDB 4 room flats27.6%Landed properties25.6%HDB 5 room and executive flats17.1%Condominiums and other apartments16.2%
- Household size
- 35.1% of Serangoon households are one or two people; 2-person households are the most common.
- 2-person21%3-person20.5%4-person20.2%1-person14.1%
- In education
- Of Serangoon residents currently in education, 31.3% attend polytechnic or university.
- Primary29%Secondary24.5%University21.6%Polytechnic9.7%
- Commute to work
- 53.8% of working Serangoon residents commute by public transport; 35.2% drive or ride.
- Car29.6%MRT LRT and bus25.1%MRT LRT only14.5%Bus12.3%
Resident data for the Serangoon planning area, Census 2020 — Singapore Department of Statistics, via OneMap (Singapore Land Authority).
Can I afford this?
est. ~S$438k · 3 roomSet 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 3-room HDB flats islandwide (2,589 compared), Blk 423 Serangoon Ctrl is more liveable than 50% of them and cheaper than 55% — around S$626/psf for 3 room (as of 2026-06).
Percentiles rank this home only against comparable ones (3-room 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 423 offers a strong liveability score (72/100). On price, resale prices here have been softer than most Singapore subzones and the lease is mid-life (~62 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 Upper Paya Lebar. We do not publish a fair-price estimate.
Prices & transactions — Blk 423 Serangoon Ctrl
Actual registered resale prices · source data.gov.sg · we show real sale ranges, not an estimated valuation
No registered resale at Blk 423 Serangoon Ctrl in the last 2 years — figures above reflect Upper Paya Lebar medians.
Subzone medians — Upper Paya Lebar
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 423 Serangoon Ctrl on Singapore’s property portals. These open on third-party sites — SG Block Index doesn’t list or sell property.