Block 505 Serangoon Nth Ave 4
550505 · Serangoon North · Serangoon · Built 1992 · ~65 yrs lease left · 76 units · 14 floors
Block 505 Serangoon Nth Ave 4 in Serangoon scores 63.3/100 overall on the Singapore Block Liveability Index. It is 27.7 minutes’ walk from Kovan Mrt Station MRT, 12.5 minutes from Ci Yuan Hawker Centre, and 175 m straight-line from Rosyth School.
Where it is
OneMap · SLABlock 505 Serangoon Nth Ave 4, Singapore 550505
Pillar scores
- Transport
- 45
- Food
- 79
- Schools
- 100
- Healthcare
- 54
- Daily needs
- 56
- Green space
- 82
- Connectivity
- 42
- Value (lease)
- 50
- Leisure
- 41
- EV charging
- 100
Who it suits
- Overall
- 63
- Young Families
- 69
- Seniors
- 60
- Renters
- 54
- Investors
- 64
- EV Owners
- 71
Commute by public transport
OneMap routing · weekday 08:00- Raffles Placecity centre
- 40.8min
- one-north
- 46.6min
- Jurong East
- 60.7min
- Changi Airport
- 59.4min
Getting to the city centre
weekday 08:00 · OneMap41 min door to door · S$1.94 · 2 transfers · 11 min (637 m) walking · 6 min waiting · 24 min riding
- Walk 4 min (216 m) to Gracehaven S Army
- Bus 70M · SBS Transit
Gracehaven S Army → S'goon /blk 201 · 8 stops · 10 min - Walk 3 min (189 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- Kovan Mrt Station27.7 min
- Kovan Mrt Station28.4 min
- Kovan Mrt Station28.4 min
Hawker centres
food- Ci Yuan Hawker Centre12.5 min
- Serangoon Garden Market25.7 min
- Chomp Chomp Food Centre26.3 min
Eateries nearby
food- Cold Storage Singapore (1983) Pte LtdA1.4 min
- Kpt (S N Ave 4) Pte Ltd1.7 min
- Yeong Oi KhuanB1.7 min
- Koh Kim ChuaB1.7 min
- Chan Jun Rong (Chen Junrong)B1.7 min
- Rosyth School4.1 min
Hygiene grades from SFA (NEA licensed eateries).
Supermarkets
daily- Ang Mo Supermarket Pte Ltd8 min
- Prime Supermarket (1996) Pte Ltd9 min
- Ntuc Fairprice Co-Operative Ltd9.7 min
CHAS clinics
health- iPCARE Clinic5.3 min
- Pinnacle Family Clinic (Serangoon North)6.4 min
- Elissa Medical Clinic9.7 min
Parks & green
green- Pk Villas Terrace Pg10.3 min
- Luxus Hills Park12.3 min
- Ang Mo Kio Linear Pk (Plot 2)13.6 min
Primary schools
straight-line- Rosyth School175 m
- Hougang Primary School680 m
- Xinmin Primary School742 m
Eldercare centres
care- Jia Ying Senior Activity Centre @ 25 (Branch)26.9 min
- Jia Ying Senior Activity Centre29 min
- Pacific Activity Centres Pte Ltd36.7 min
Community clubs
leisure- Hwi Yoh CC6 min
- The Serangoon CC9.9 min
- Ci Yuan CC11.6 min
Libraries
leisure- Cheng San Public Library30.8 min
EV charging
ev- Blk 500/506B Serangoon North Avenue 40.4 min
- Blk 519 Serangoon North Avenue 43.8 min
- Blk 531/536 Serangoon North Avenue 44 min
What’s within a walk
OSRM foot · OneMapWithin ~10 minutes on foot: 4 supermarkets, 3 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 664392 min walk · 113 m
- Stop 641012 min walk · 120 m
- GRACEHAVEN S ARMY4 min walk70M73854
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 · 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$600k · 4 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 4-room HDB flats islandwide (3,466 compared), Blk 505 Serangoon Nth Ave 4 is more liveable than 24% of them but pricier than 52% — around S$619/psf for 4 room (as of 2026-07).
Percentiles rank this home only against comparable ones (4-room HDB flats islandwide). A transparent price-vs-liveability comparison from real resale data — not a valuation or fair-price estimate. as of 2026-07
Is it worth it?
liveability · price trend · leaseBlock 505 offers a solid liveability score (63.3/100). On price, resale prices here have been climbing faster than most Singapore subzones and the lease is mid-life (~65 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 Serangoon North. We do not publish a fair-price estimate.
Prices & transactions — Blk 505 Serangoon Nth Ave 4
Actual registered resale prices · source data.gov.sg · we show real sale ranges, not an estimated valuation
Recent sales at Blk 505 Serangoon Nth Ave 4
| Month | Type | Storey | Area | Price | PSF |
|---|---|---|---|---|---|
| Dec '24 | 5-room | 10 TO 12 | 124 m² | S$770k | S$577 |
| Jul '24 | 5-room | 04 TO 06 | 124 m² | S$745k | S$558 |
Subzone medians — Serangoon North
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 505 Serangoon Nth Ave 4 on Singapore’s property portals. These open on third-party sites — SG Block Index doesn’t list or sell property.