HDB block · Serangoon

Blk 421 Serangoon Central

Singapore 550421

96 flats13 storeysBuilt 1988Lease from 1989
See resale prices →

Loading map…

Blk 421 Serangoon Central at a glance

Distances are straight lines from the block. Walking routes are longer.

Nearest MRT / LRT
340 mSerangoon MRT
Nearest hawker centre
None within 1 km
Primary schools within 1 km
2Yangzheng Primary School
99-year lease
Ends 2088About 62 years left

Flats in this block: 4-room 72 · 5-room 24

Recent resale prices

2 HDB resale flats in this block registered Oct 2024 – Sep 2026. What buyers paid, from HDB; not a valuation.

Flat typeThis blockWhole street
4-room$865,0001 sale · $765 psf$760,00040 sales · $763 psf
5-room$818,0001 sale · $628 psf$971,94420 sales · $743 psf

Latest sales in this block

MonthFlat typeStoreysSizePriceLease left
Apr 20264-roomStoreys 10–12 · 1,130 sq ft10–121,130 sq ft$865,000$765 psf62 yrs 1 mth
Mar 20255-roomStoreys 4–6 · 1,302 sq ft4–61,302 sq ft$818,000$628 psf63 yrs 3 mths

Check a flat: recent sales like it in this block and street →

Median: half the sales were above, half below. Per sq ft uses each flat’s floor area. Lease left is at the time of sale.

What’s nearby

Within 1 km of the block, nearest first.

MRT and LRT

Stations not yet open are not counted.

Schools

  • St. Gabriel's Secondary School Secondary school280 m
  • Zhonghua Secondary School Secondary school650 m
  • Yangzheng Primary School Primary school740 m
  • Maris Stella High School Primary school880 m

Primary 1 registration uses the official home–school distance, not these figures. Check OneMap for your block.

Food, parks and services

  • Drs Lim & Chan Clinic CHAS clinic200 m
  • Upper Serangoon Park Park310 m
  • Serangoon Public Library Library390 m
  • ActiveSG Gym@Serangoon Central Sport centre530 m
  • Braddell Heights CC (Pending U/C) Community club620 m

Everything near Serangoon Central: the street guide →

Other blocks on Serangoon Central

Sources · data.gov.sg under the Singapore Open Data Licence v1.0

  • HDB Property Information, HDB (updated 2026-07-06)
  • Resale flat prices based on registration date from Jan-2017 onwards, HDB (updated 2026-10-07)
  • Hawker Centres (GEOJSON), NEA (updated 2026-10-07)
  • Parks, NParks (updated 2026-10-07)
  • Park Connector Loop, NParks (updated 2026-07-15)
  • CHAS Clinics, MOH (updated 2024-06-06)
  • Pre-Schools Location, ECDA (updated 2024-06-06)
  • Community Clubs, PA (updated 2024-06-06)
  • Libraries, NLB (updated 2024-06-06)
  • SportSG Sport Facilities (GEOJSON), SportSG (updated 2025-11-13)
  • Dates of Hawker Centres Closure, NEA (updated 2026-09-21)
  • General information of schools, MOE (updated 2026-04-17)
  • Block and school locations: OneMap, Singapore Land Authority · Town: URA Master Plan 2025