HDBOCRPunggol

Block 421C Northshore Dr

421C Northshore Dr, Singapore 823421

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

Block 421C Northshore Dr is an HDB block in Punggol, completed in 2021, with 211 dwelling units. Across 1 resale on record, the median resale price is about S$620k (S$847 psf, 68 sqm). The lease has approximately 94 years remaining.

1

What are the key facts about Block 421C Northshore Dr?

Key Takeaway

Block 421C Northshore Dr is an HDB block in Punggol, completed in 2021, with 211 dwelling units.

Town
Punggol
Planning area
Punggol
Completed
2021
Storeys
26
Total units
211
Flat model
Model A
Market segment
OCR
Median resale
S$620k
Last transacted
Jul 2026
Remaining lease
≈ 94 years
2

What are resale prices at Block 421C Northshore Dr?

Key Takeaway

The median resale price is about S$620k (S$847 psf), from 1 resale on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
3-Room1S$620,00068 sqmS$847 psf

Live now: 30 flats listed for sale at this block (median asking S$599k) and 2 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 Jul 2026.

3

What rent and yield does Block 421C Northshore Dr get?

Key Takeaway

Flats at Block 421C Northshore Dr have recently sublet for a median of S$2,500/mo, an indicative gross rental yield of about 4.8% (from 4 recent rental contracts).

Median rent

S$2,500/mo

4 recent contracts

Gross rental yield

4.8%

indicative, gross

Annual rent

S$30,000

median × 12 months

Flat typeContractsMedian rent
2-Room3S$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 May 2026. Source: HDB rental (subletting) data.

4

What has recently sold at Block 421C Northshore Dr?

Key Takeaway

Block 421C Northshore Dr has 1 recorded resale; the most recent transacted at S$620,000 in Jul 2026 (HDB caveat data).

DateFlat typeStoreySizePrice
Jul 20263-Room19 TO 2168 sqmS$620,000
5

What flat types are in Block 421C Northshore Dr?

Key Takeaway

Block 421C Northshore Dr has 211 units, mostly 2-Room flats of the Model A model.

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

2-Room: 1633-Room: 48
6

Where is Block 421C Northshore Dr?

Key Takeaway

Block 421C Northshore Dr is an HDB block in Punggol.

Block 421C Northshore Dr is an HDB block located along Northshore Dr. The block is recorded as completed around 2021, with up to 26 storeys. It has an estimated 211 residential units based on the HDB property information dataset. Flat types in the block include 2-room and 3-room units.

The address is Block 421C Northshore Dr, Singapore 823421. It is part of District 19, Serangoon Garden / Hougang / Punggol, the Punggol planning area. The block falls within the North-East Region and the OCR market segment.

The nearest rail connection is Punggol Point LRT, approximately 303m away, around 5 minutes on foot. Nearby amenities include Waterway Point for shopping, GW TRADER PTE. LTD. for groceries, Punggol Coast Hawker Centre for food options, and Punggol Heritage Trail Phase 2 (Interim Boundary) for greenery and recreation.

7

How far is Block 421C Northshore Dr from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 421C Northshore Dr is Punggol Point LRT, about 303 m away (~5 min walk). 1 school is within 1 km, including 1 primary school.

Getting around

Schools nearby

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

  • Northshore Primary SchoolPrimary schoolwithin 1 km · P1 priority155 m
  • Punggol Cove Primary SchoolPrimary school1.1 km
  • Valour Primary SchoolPrimary school1.5 km
  • Punggol View Primary SchoolPrimary school1.6 km
  • Yusof Ishak Secondary SchoolSecondary school1.7 km
  • Oasis Primary SchoolPrimary school1.7 km
  • Punggol Secondary SchoolSecondary school2.0 km

Shops, food & parks

Mall: Waterway Point · 1.5 kmSupermarket: Gw Trader Pte. Ltd. · 973 mHawker centre: Punggol Coast Hawker Centre · 634 mPark: Punggol Heritage Trail Phase 2 (Interim Boundary) · 647 m

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

8

What does it cost to buy a flat at Block 421C Northshore Dr?

Key Takeaway

Buying a flat at Block 421C Northshore Dr (~S$620k) needs about S$4,942/mo in income and S$2,328/mo in repayments, after S$13,200 stamp duty and a S$155k downpayment.

Illustrative, for a buyer at the median resale price (S$620k) — 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$13,200

BSD, tiered

Downpayment (25%)

S$155k

cash + CPF

Monthly instalment

S$2,328/mo

25y @ 3.5%

Income required

S$4,942/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 421C Northshore Dr? Ask what it's worth.

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

PropKaki
What have flats at Block 421C Northshore Dr sold for recently?

Recent sales at Block 421C Northshore Dr land close to the town median — fair value, no big premium.

Ask anything about Singapore property…
9

Frequently asked questions about Block 421C Northshore Dr

How much does a 3-Room flat at Block 421C Northshore Dr cost?

The median resale price at Block 421C Northshore Dr is about S$620k (S$847 psf), from 1 resale on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.

Is Block 421C Northshore Dr worth buying given its remaining lease?

Block 421C Northshore Dr has about 94 years left on its 99-year lease (completed 2021). That's a long runway, so CPF usage and bank financing are generally unrestricted. The figure is taken from the most recent transacted flat.

What is the rental yield at Block 421C Northshore Dr?

Gross rental yield at Block 421C Northshore Dr is about 4.8%, based on a median subletting rent of about S$2,500/mo against a resale price of about S$620k. 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 421C Northshore Dr?

For a flat at about S$620k on a 25-year HDB-style loan, you'd need roughly S$4,942/mo in household income, with repayments around S$2,328/mo after a S$155k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.

What is the nearest MRT to Block 421C Northshore Dr?

The nearest MRT/LRT station to Block 421C Northshore Dr is Punggol Point LRT, about 303 m away (~5 min walk).

Which primary schools are within 1 km of Block 421C Northshore Dr?

Northshore Primary School is within 1 km of Block 421C Northshore Dr — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

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