HDBOCRChoa Chu Kang

Block 505 Choa Chu Kang St 51

505 Choa Chu Kang St 51, Singapore 680505

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

Block 505 Choa Chu Kang St 51 is an HDB block in Choa Chu Kang, completed in 1993, with 85 dwelling units. Across 122 resales on record, 5-Room flats have recently resold around S$415k (S$301 psf, 125 sqm). The lease has approximately 68 years remaining.

1

What are the key facts about Block 505 Choa Chu Kang St 51?

Key Takeaway

Block 505 Choa Chu Kang St 51 is an HDB block in Choa Chu Kang, completed in 1993, with 85 dwelling units.

Town
Choa Chu Kang
Planning area
Choa Chu Kang
Completed
1993
Storeys
14
Total units
85
Flat model
Model A · Improved
Market segment
OCR
Median resale
S$415k
Last transacted
Jun 2026
Remaining lease
≈ 68 years
2

What are resale prices at Block 505 Choa Chu Kang St 51?

Key Takeaway

5-Room flats have recently resold around S$415k (S$301 psf), from 122 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
4-Room72S$412,000recent108 sqmS$358 psf
5-Room50S$415,000recent128 sqmS$303 psf

Live now: 6 flats listed for sale at this block (median asking S$548k) and 7 for rent (median S$950/mo) 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 505 Choa Chu Kang St 51 get?

Key Takeaway

Flats at Block 505 Choa Chu Kang St 51 have recently sublet for a median of S$3,000/mo, an indicative gross rental yield of about 8.7% (from 24 recent rental contracts).

Median rent

S$3,000/mo

24 recent contracts

Gross rental yield

8.7%

indicative, gross

Annual rent

S$36,000

median × 12 months

Flat typeContractsMedian rent
4-Room11S$3,000/mo
5-Room15S$2,800/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 505 Choa Chu Kang St 51?

Key Takeaway

Block 505 Choa Chu Kang St 51 has 122 recorded resales; the most recent transacted at S$535,000 in Jun 2026 (HDB caveat data).

DateFlat typeStoreySizePrice
Jun 20264-Room10 TO 12108 sqmS$535,000
Apr 20264-Room01 TO 03108 sqmS$545,000
Feb 20254-Room07 TO 09107 sqmS$560,000
Jul 20244-Room10 TO 12108 sqmS$520,000
Sept 20235-Room04 TO 06128 sqmS$555,000
Jun 20215-Room04 TO 06128 sqmS$480,000
Dec 20195-Room10 TO 12128 sqmS$390,000
Oct 20195-Room07 TO 09125 sqmS$400,000
Aug 20195-Room01 TO 03129 sqmS$383,000
Jul 20195-Room07 TO 09128 sqmS$390,000
Jul 20195-Room07 TO 09128 sqmS$415,000
Apr 20194-Room10 TO 12108 sqmS$333,000
5

What flat types are in Block 505 Choa Chu Kang St 51?

Key Takeaway

Block 505 Choa Chu Kang St 51 has 85 units, mostly 4-Room flats of the Model A / Improved model.

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

4-Room: 465-Room: 39
6

Where is Block 505 Choa Chu Kang St 51?

Key Takeaway

Block 505 Choa Chu Kang St 51 is an HDB block in Choa Chu Kang.

Block 505 Choa Chu Kang St 51 is an HDB block located along Choa Chu Kang St 51. The block is recorded as completed around 1993, with up to 14 storeys. It has an estimated 85 residential units based on the HDB property information dataset. Flat types in the block include 4-room and 5-room units.

The address is Block 505 Choa Chu Kang St 51, Singapore 680505. 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 Choa Chu Kang LRT, approximately 549m away, around 9 minutes on foot. Nearby amenities include Lot One for shopping, NTUC Fairprice Co-operative Ltd for groceries, Choa Chu Kang Pk for greenery and recreation, and Keat Hong Community Club for community facilities.

7

How far is Block 505 Choa Chu Kang St 51 from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 505 Choa Chu Kang St 51 is Choa Chu Kang LRT, about 549 m away (~9 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.

  • Kranji Secondary SchoolSecondary schoolwithin 1 km152 m
  • De La Salle SchoolPrimary schoolwithin 1 km · P1 priority637 m
  • Kranji Primary SchoolPrimary schoolwithin 1 km · P1 priority765 m
  • Bukit Panjang Govt. High SchoolSecondary schoolwithin 1 km868 m
  • South View Primary SchoolPrimary schoolwithin 1 km · P1 priority943 m
  • Regent Secondary SchoolSecondary school1.1 km
  • Concord Primary SchoolPrimary school1.2 km
  • Chua Chu Kang Primary SchoolPrimary school1.3 km

Shops, food & parks

Mall: Lot One · 557 mSupermarket: NTUC Fairprice Co-operative Ltd · 350 mPark: Choa Chu Kang Pk · 613 m

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

8

What does it cost to buy a flat at Block 505 Choa Chu Kang St 51?

Key Takeaway

Buying a flat at Block 505 Choa Chu Kang St 51 (~S$415k) needs about S$3,308/mo in income and S$1,558/mo in repayments, after S$7,050 stamp duty and a S$104k downpayment.

Illustrative, for a buyer at the recent median resale price (S$415k) — 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$7,050

BSD, tiered

Downpayment (25%)

S$104k

cash + CPF

Monthly instalment

S$1,558/mo

25y @ 3.5%

Income required

S$3,308/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 505 Choa Chu Kang St 51? Ask what it's worth.

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

PropKaki
What have flats at Block 505 Choa Chu Kang St 51 sold for recently?

Recent sales at Block 505 Choa Chu Kang St 51 land close to the town median — fair value, no big premium.

Ask anything about Singapore property…
9

Frequently asked questions about Block 505 Choa Chu Kang St 51

How much does a 5-Room flat at Block 505 Choa Chu Kang St 51 cost?

5-Room flats at Block 505 Choa Chu Kang St 51 have recently resold for a median of about S$415k (S$301 psf), from 122 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.

What are resale prices at Block 505 Choa Chu Kang St 51 by flat type?

4-Room ≈ S$412k; 5-Room ≈ S$415k (median resale, HDB caveats).

Is Block 505 Choa Chu Kang St 51 worth buying given its remaining lease?

Block 505 Choa Chu Kang St 51 has about 68 years left on its 99-year lease (completed 1993). 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 505 Choa Chu Kang St 51?

Gross rental yield at Block 505 Choa Chu Kang St 51 is about 8.7%, based on a median subletting rent of about S$3,000/mo against a resale price of about S$415k. 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 505 Choa Chu Kang St 51?

For a flat at about S$415k on a 25-year HDB-style loan, you'd need roughly S$3,308/mo in household income, with repayments around S$1,558/mo after a S$104k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.

What is the nearest MRT to Block 505 Choa Chu Kang St 51?

The nearest MRT/LRT station to Block 505 Choa Chu Kang St 51 is Choa Chu Kang LRT, about 549 m away (~9 min walk).

Which primary schools are within 1 km of Block 505 Choa Chu Kang St 51?

De La Salle School, Kranji Primary School, South View Primary School are within 1 km of Block 505 Choa Chu Kang St 51 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

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