HDBOCRChoa Chu Kang

Block 420 Choa Chu Kang Ave 4

420 Choa Chu Kang Ave 4, Singapore 680420

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

Block 420 Choa Chu Kang Ave 4 is an HDB block in Choa Chu Kang, completed in 1992, with 75 dwelling units. Across 80 resales on record, Executive flats have recently resold around S$708k (S$439 psf, 148 sqm). The lease has approximately 66 years remaining.

1

What are the key facts about Block 420 Choa Chu Kang Ave 4?

Key Takeaway

Block 420 Choa Chu Kang Ave 4 is an HDB block in Choa Chu Kang, completed in 1992, with 75 dwelling units.

Town
Choa Chu Kang
Planning area
Choa Chu Kang
Completed
1992
Storeys
16
Total units
75
Flat model
Apartment
Market segment
OCR
Median resale
S$708k
Last transacted
Jun 2026
Remaining lease
≈ 66 years
2

What are resale prices at Block 420 Choa Chu Kang Ave 4?

Key Takeaway

Executive flats have recently resold around S$708k (S$439 psf), from 80 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
Executive80S$708,000recent148 sqmS$439 psf

Live now: 3 flats listed for sale at this block (median asking S$1.05M) 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 Jun 2026.

3

What rent and yield does Block 420 Choa Chu Kang Ave 4 get?

Key Takeaway

Flats at Block 420 Choa Chu Kang Ave 4 have recently sublet for a median of S$3,200/mo, an indicative gross rental yield of about 5.4% (from 9 recent rental contracts).

Median rent

S$3,200/mo

9 recent contracts

Gross rental yield

5.4%

indicative, gross

Annual rent

S$38,400

median × 12 months

Flat typeContractsMedian rent
Executive9S$3,200/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 Nov 2025. Source: HDB rental (subletting) data.

4

What has recently sold at Block 420 Choa Chu Kang Ave 4?

Key Takeaway

Block 420 Choa Chu Kang Ave 4 has 80 recorded resales; the most recent transacted at S$825,000 in Jun 2026 (HDB caveat data).

DateFlat typeStoreySizePrice
Jun 2026Executive04 TO 06143 sqmS$825,000
Dec 2025Executive16 TO 18150 sqmS$925,000
Oct 2025Executive13 TO 15148 sqmS$865,000
Nov 2023Executive10 TO 12148 sqmS$793,888
Jul 2023Executive07 TO 09148 sqmS$770,000
May 2022Executive16 TO 18148 sqmS$722,888
Jan 2022Executive10 TO 12150 sqmS$708,000
Nov 2021Executive10 TO 12148 sqmS$663,000
Mar 2020Executive01 TO 03150 sqmS$495,000
Dec 2019Executive10 TO 12143 sqmS$550,000
Jul 2019Executive10 TO 12150 sqmS$550,000
Jul 2019Executive07 TO 09143 sqmS$535,000
5

What flat types are in Block 420 Choa Chu Kang Ave 4?

Key Takeaway

Block 420 Choa Chu Kang Ave 4 has 75 units, mostly Executive flats of the Apartment model.

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

Executive: 75
6

Where is Block 420 Choa Chu Kang Ave 4?

Key Takeaway

Block 420 Choa Chu Kang Ave 4 is an HDB block in Choa Chu Kang.

Block 420 Choa Chu Kang Ave 4 is an HDB block located along Choa Chu Kang Ave 4. The block is recorded as completed around 1992, with up to 16 storeys. It has an estimated 75 residential units based on the HDB property information dataset. Flat types in the block include executive units.

The address is Block 420 Choa Chu Kang Ave 4, Singapore 680420. It is part of District 23, Hillview / Dairy Farm / Bukit Panjang / Choa Chu Kang, the Choa Chu Kang planning area. The block falls within the West Region and the OCR market segment.

The nearest rail connection is South View LRT, approximately 454m away, around 7 minutes on foot. Nearby amenities include Lot One for shopping, ANG KEN CHUA for groceries, Choa Chu Kang Pk for greenery and recreation, and Keat Hong Community Club for community facilities.

7

How far is Block 420 Choa Chu Kang Ave 4 from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 420 Choa Chu Kang Ave 4 is South View LRT, about 454 m away (~7 min walk). 5 schools are within 1 km, including 3 primary schools.

Getting around

Schools nearby

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

  • Bukit Panjang Govt. High SchoolSecondary schoolwithin 1 km346 m
  • Chua Chu Kang Primary SchoolPrimary schoolwithin 1 km · P1 priority416 m
  • South View Primary SchoolPrimary schoolwithin 1 km · P1 priority545 m
  • Concord Primary SchoolPrimary schoolwithin 1 km · P1 priority595 m
  • Kranji Secondary SchoolSecondary schoolwithin 1 km954 m
  • Teck Whye Primary SchoolPrimary school1.3 km
  • Jurong Pioneer Junior CollegeJunior college1.5 km
  • De La Salle SchoolPrimary school1.5 km

Shops, food & parks

Mall: Lot One · 561 mSupermarket: Ang Ken Chua · 95 mPark: Choa Chu Kang Pk · 883 m

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

8

What does it cost to buy a flat at Block 420 Choa Chu Kang Ave 4?

Key Takeaway

Buying a flat at Block 420 Choa Chu Kang Ave 4 (~S$708k) needs about S$5,644/mo in income and S$2,658/mo in repayments, after S$15,840 stamp duty and a S$177k downpayment.

Illustrative, for a buyer at the recent median resale price (S$708k) — 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$15,840

BSD, tiered

Downpayment (25%)

S$177k

cash + CPF

Monthly instalment

S$2,658/mo

25y @ 3.5%

Income required

S$5,644/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 420 Choa Chu Kang Ave 4? Ask what it's worth.

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

PropKaki
What have flats at Block 420 Choa Chu Kang Ave 4 sold for recently?

Recent sales at Block 420 Choa Chu Kang Ave 4 land close to the town median — fair value, no big premium.

Ask anything about Singapore property…
9

Frequently asked questions about Block 420 Choa Chu Kang Ave 4

How much does a Executive flat at Block 420 Choa Chu Kang Ave 4 cost?

Executive flats at Block 420 Choa Chu Kang Ave 4 have recently resold for a median of about S$708k (S$439 psf), from 80 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.

Is Block 420 Choa Chu Kang Ave 4 worth buying given its remaining lease?

Block 420 Choa Chu Kang Ave 4 has about 66 years left on its 99-year lease (completed 1992). 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 420 Choa Chu Kang Ave 4?

Gross rental yield at Block 420 Choa Chu Kang Ave 4 is about 5.4%, based on a median subletting rent of about S$3,200/mo against a resale price of about S$708k. 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 420 Choa Chu Kang Ave 4?

For a flat at about S$708k on a 25-year HDB-style loan, you'd need roughly S$5,644/mo in household income, with repayments around S$2,658/mo after a S$177k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.

What is the nearest MRT to Block 420 Choa Chu Kang Ave 4?

The nearest MRT/LRT station to Block 420 Choa Chu Kang Ave 4 is South View LRT, about 454 m away (~7 min walk).

Which primary schools are within 1 km of Block 420 Choa Chu Kang Ave 4?

Chua Chu Kang Primary School, South View Primary School, Concord Primary School are within 1 km of Block 420 Choa Chu Kang Ave 4 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

Chat on WhatsApp