PropKaki
HDBOCRSerangoon

Block 425 Serangoon Ave 1

425 Serangoon Ave 1, Singapore 550425

Reviewed by Nathan TangUpdated 21 June 2026Data through Mar 2026 (HDB)
Quick Summary

Block 425 Serangoon Ave 1 is an HDB block in Serangoon, completed in 1988, with 108 dwelling units. 4-Room flats have recently resold around S$845k (106 sqm), from 89 resales on record. The lease has approximately 62 years remaining.

1

What are the key facts about Block 425 Serangoon Ave 1?

Key Takeaway

Block 425 Serangoon Ave 1 is an HDB block in Serangoon, completed in 1988, with 108 dwelling units.

Town
Serangoon
Planning area
Serangoon
Completed
1988
Storeys
13
Total units
108
Market segment
OCR
Median resale
S$845k
Last transacted
Mar 2026
Remaining lease
≈ 62 years
2

What are resale prices at Block 425 Serangoon Ave 1?

Key Takeaway

4-Room flats have recently resold around S$845k (S$699 psf), from 89 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
4-Room66S$788,000recent106 sqmS$671 psf
5-Room23S$772,000recent123 sqmS$593 psf

“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 Mar 2026.

3

What has recently sold at Block 425 Serangoon Ave 1?

Key Takeaway

Block 425 Serangoon Ave 1 has 89 recorded resales; the most recent transacted at S$850,000 in Mar 2026 (HDB caveat data).

DateFlat typeStoreySizePrice
Mar 20264-Room07 TO 09105 sqmS$850,000
Feb 20264-Room13 TO 15113 sqmS$910,000
Jan 20265-Room10 TO 12129 sqmS$1,050,000
Sept 20254-Room04 TO 06106 sqmS$845,000
Jan 20254-Room01 TO 03106 sqmS$798,000
Aug 20244-Room04 TO 06106 sqmS$818,000
Jun 20245-Room07 TO 09121 sqmS$976,000
Apr 20245-Room01 TO 03121 sqmS$880,000
Jan 20245-Room07 TO 09123 sqmS$921,000
Dec 20234-Room10 TO 12105 sqmS$788,000
Apr 20234-Room04 TO 06104 sqmS$751,000
Jan 20234-Room10 TO 12113 sqmS$798,000
4

What flat types are in Block 425 Serangoon Ave 1?

Key Takeaway

Block 425 Serangoon Ave 1 has 108 units, mostly 4-Room flats.

Unit stock by flat type, from the HDB property information dataset.

4-Room: 845-Room: 24
5

How far is Block 425 Serangoon Ave 1 from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 425 Serangoon Ave 1 is Serangoon MRT, about 509 m away (~8 min walk). 6 schools are within 1 km, including 2 primary schools.

Getting around

Schools nearby

Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

  • St. Gabriel's Secondary SchoolSecondary schoolwithin 1 km191 m
  • Maris Stella High SchoolMixed-level schoolwithin 1 km761 m
  • Zhonghua Secondary SchoolSecondary schoolwithin 1 km798 m
  • Yangzheng Primary SchoolPrimary schoolwithin 1 km · P1 priority892 m
  • Paya Lebar Methodist Girls' School (Primary)Primary schoolwithin 1 km · P1 priority942 m
  • Paya Lebar Methodist Girls' School (Secondary)Secondary schoolwithin 1 km998 m
  • Bartley Secondary SchoolSecondary school1.1 km
  • Nanyang Junior CollegeJunior college1.1 km

Shops, food & parks

Mall: Nex · 562 mSupermarket: Prime Supermarket (1996) Pte Ltd · 525 mPark: Lorong Ong Lye Park · 236 m

Straight-line distances from the block. Source: PropKaki amenities data.

6

What does it cost to buy a flat at Block 425 Serangoon Ave 1?

Key Takeaway

Buying a flat at Block 425 Serangoon Ave 1 (~S$845k) needs about S$6,736/mo in income and S$3,173/mo in repayments, after S$19,950 stamp duty and a S$211k downpayment.

Illustrative, for a buyer at the recent median resale price (S$845k) — 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$19,950

BSD, tiered

Downpayment (25%)

S$211k

cash + CPF

Monthly instalment

S$3,173/mo

25y @ 3.5%

Income required

S$6,736/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.

7

Frequently asked questions about Block 425 Serangoon Ave 1

What is the resale price at Block 425 Serangoon Ave 1?

4-Room flats at Block 425 Serangoon Ave 1 have recently resold around S$845k (106 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.

How much are flats at Block 425 Serangoon Ave 1 by flat type?

4-Room ≈ S$788k; 5-Room ≈ S$772k. Figures are median resale prices from HDB caveats.

How many years are left on the lease at Block 425 Serangoon Ave 1?

Block 425 Serangoon Ave 1 has approximately 62 years left on its 99-year lease (completed 1988). This figure is taken from the most recent transacted flat.

How many units are in Block 425 Serangoon Ave 1?

Block 425 Serangoon Ave 1 has 108 dwelling units across up to 13 storeys, mostly 4 room flats.

What is the nearest MRT to Block 425 Serangoon Ave 1?

The nearest MRT/LRT station to Block 425 Serangoon Ave 1 is Serangoon MRT, about 509 m away (~8 min walk).

Which primary schools are within 1 km of Block 425 Serangoon Ave 1?

Yangzheng Primary School, Paya Lebar Methodist Girls' School (Primary) are within 1 km of Block 425 Serangoon Ave 1 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

Is Block 425 Serangoon Ave 1 a good place to buy an HDB resale flat?

Block 425 Serangoon Ave 1 sits in Serangoon, in the Serangoon planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈62 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.

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