HDBOCRSerangoon

Block 109 Serangoon Nth Ave 1

109 Serangoon Nth Ave 1, Singapore 550109

Reviewed by Nathan TangUpdated 10 August 2026Data through Feb 2025 (HDB)
Quick Summary

Block 109 Serangoon Nth Ave 1 is an HDB block in Serangoon, completed in 1984, with 168 dwelling units. Across 171 resales on record, 4-Room flats have recently resold around S$515k (S$514 psf, 91 sqm). The lease has approximately 59 years remaining.

1

What are the key facts about Block 109 Serangoon Nth Ave 1?

Key Takeaway

Block 109 Serangoon Nth Ave 1 is an HDB block in Serangoon, completed in 1984, with 168 dwelling units.

Town
Serangoon
Planning area
Serangoon
Completed
1984
Storeys
13
Total units
168
Flat model
New Generation
Market segment
OCR
Median resale
S$515k
Last transacted
Feb 2025
Remaining lease
≈ 59 years
2

What are resale prices at Block 109 Serangoon Nth Ave 1?

Key Takeaway

4-Room flats have recently resold around S$515k (S$514 psf), from 171 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
4-Room171S$515,000recent91 sqmS$514 psf

Live now: 6 flats listed for sale at this block (median asking S$550k) and 1 for rent search all listings.

“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 Feb 2025.

3

What rent and yield does Block 109 Serangoon Nth Ave 1 get?

Key Takeaway

Flats at Block 109 Serangoon Nth Ave 1 have recently sublet for a median of S$2,500/mo, an indicative gross rental yield of about 5.8% (from 22 recent rental contracts).

Median rent

S$2,500/mo

22 recent contracts

Gross rental yield

5.8%

indicative, gross

Annual rent

S$30,000

median × 12 months

Flat typeContractsMedian rent
4-Room22S$2,500/mo

HDB subletting requires the flat owner to have met the 5-year Minimum Occupation Period (MOP), so the rental sample per block is small — treat the yield as indicative. Latest contract Jun 2026. Source: HDB rental (subletting) data.

4

What has recently sold at Block 109 Serangoon Nth Ave 1?

Key Takeaway

Block 109 Serangoon Nth Ave 1 has 171 recorded resales; the most recent transacted at S$585,000 in Feb 2025 (HDB caveat data).

DateFlat typeStoreySizePrice
Feb 20254-Room04 TO 0691 sqmS$585,000
Dec 20244-Room04 TO 0691 sqmS$562,888
Dec 20244-Room04 TO 0691 sqmS$588,000
Sept 20244-Room04 TO 0691 sqmS$567,000
Jun 20244-Room07 TO 0991 sqmS$527,000
Apr 20234-Room04 TO 0691 sqmS$518,000
Jul 20224-Room10 TO 1293 sqmS$515,000
Nov 20214-Room07 TO 0991 sqmS$449,888
May 20214-Room07 TO 0991 sqmS$410,000
Aug 20204-Room04 TO 0693 sqmS$338,000
Jul 20194-Room07 TO 0991 sqmS$358,000
Jun 20184-Room04 TO 0691 sqmS$358,000
5

What flat types are in Block 109 Serangoon Nth Ave 1?

Key Takeaway

Block 109 Serangoon Nth Ave 1 has 168 units, mostly 4-Room flats of the New Generation model.

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

4-Room: 168
6

Where is Block 109 Serangoon Nth Ave 1?

Key Takeaway

Block 109 Serangoon Nth Ave 1 is an HDB block in Serangoon.

Block 109 Serangoon Nth Ave 1 is an HDB block located along Serangoon Nth Ave 1. The block is recorded as completed around 1984, with up to 13 storeys. It has an estimated 168 residential units based on the HDB property information dataset. Flat types in the block include 4-room units.

The address is Block 109 Serangoon Nth Ave 1, Singapore 550109. It is part of District 19, Serangoon Garden / Hougang / Punggol, the Serangoon planning area. The block falls within the North-East Region and the OCR market segment.

Nearby amenities include Hougang 1 for shopping, NTUC Fairprice Co-operative Ltd for groceries, Chomp Chomp Food Centre for food options, Tavistock Ave Pk for greenery and recreation, and The Serangoon Community Club for community facilities.

7

How far is Block 109 Serangoon Nth Ave 1 from MRT and schools?

Key Takeaway

3 schools are within 1 km, including 1 primary school.

Schools nearby

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

  • Serangoon Garden Secondary SchoolSecondary schoolwithin 1 km139 m
  • Rosyth SchoolPrimary schoolwithin 1 km · P1 priority630 m
  • Bowen Secondary SchoolSecondary schoolwithin 1 km801 m
  • Zhonghua Primary SchoolPrimary school1.0 km
  • Peicai Secondary SchoolSecondary school1.1 km
  • Xinmin Primary SchoolPrimary school1.4 km
  • Xinmin Secondary SchoolSecondary school1.4 km
  • Hougang Primary SchoolPrimary school1.4 km

Shops, food & parks

Mall: Hougang 1 · 1.2 kmSupermarket: NTUC Fairprice Co-operative Ltd · 284 mHawker centre: Chomp Chomp Food Centre · 728 mPark: Tavistock Ave Pk · 579 m

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

8

What does it cost to buy a flat at Block 109 Serangoon Nth Ave 1?

Key Takeaway

Buying a flat at Block 109 Serangoon Nth Ave 1 (~S$515k) needs about S$4,105/mo in income and S$1,934/mo in repayments, after S$10,050 stamp duty and a S$129k downpayment.

Illustrative, for a buyer at the recent median resale price (S$515k) — 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$10,050

BSD, tiered

Downpayment (25%)

S$129k

cash + CPF

Monthly instalment

S$1,934/mo

25y @ 3.5%

Income required

S$4,105/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.

Wondering whether it will hold its value? See do HDB flats actually make money? →

Keep going in the PropKaki app

Eyeing Block 109 Serangoon Nth Ave 1? Ask what it's worth.

Recent transacted prices, what's nearby, and whether an asking price is fair.

PropKaki
What have flats at Block 109 Serangoon Nth Ave 1 sold for recently?

Recent sales at Block 109 Serangoon Nth Ave 1 land close to the town median — fair value, no big premium.

Ask anything about Singapore property…
9

Frequently asked questions about Block 109 Serangoon Nth Ave 1

How much does a 4-Room flat at Block 109 Serangoon Nth Ave 1 cost?

4-Room flats at Block 109 Serangoon Nth Ave 1 have recently resold for a median of about S$515k (S$514 psf), from 171 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.

Is Block 109 Serangoon Nth Ave 1 worth buying given its remaining lease?

Block 109 Serangoon Nth Ave 1 has about 59 years left on its 99-year lease (completed 1984). Below ~60 years, CPF usage and the maximum loan start to taper with the buyer's age, so check financing before committing. The figure is taken from the most recent transacted flat.

What is the rental yield at Block 109 Serangoon Nth Ave 1?

Gross rental yield at Block 109 Serangoon Nth Ave 1 is about 5.8%, based on a median subletting rent of about S$2,500/mo against a resale price of about S$515k. HDB subletting requires the owner to have met the 5-year MOP, so the per-block sample is small — treat this as indicative.

How much do I need to earn to buy a flat at Block 109 Serangoon Nth Ave 1?

For a flat at about S$515k on a 25-year HDB-style loan, you'd need roughly S$4,105/mo in household income, with repayments around S$1,934/mo after a S$129k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.

Which primary schools are within 1 km of Block 109 Serangoon Nth Ave 1?

Rosyth School is within 1 km of Block 109 Serangoon Nth Ave 1 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

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