How much is a flat at Blk 505 Choa Chu Kang St 51 worth?

4 Room: $540,000 median (2 sales in the last 12 months). 5 Room: $600,000 median (1 sale in the last 12 months). Medians are quoted per flat type, because a 3-room and a 5-room at the same block are different markets.

What flat types are available at Blk 505 Choa Chu Kang St 51?

Blk 505 Choa Chu Kang St 51 has 4 Room, 5 Room flats across 85 units. The lease started in 1994 and has about 67 years left of its 99.

What was the most recent sale at Blk 505 Choa Chu Kang St 51?

A 5 Room flat, storeys 01 to 03 sold for $600,000 in Jul 2026.

What is the price per square foot at Blk 505 Choa Chu Kang St 51?

4 Room flats have a median of $465 psf, based on 2 sales in the last 12 months.

How often do flats come up for sale at Blk 505 Choa Chu Kang St 51?

3 flats changed hands in the last 12 months, about 3.5% of the 85 units in the block. 7 sales are recorded here since Jun 2021.

Blk 505 Choa Chu Kang St 51

Choa Chu Kang6805054 ROOM5 ROOMLease balance: 67 yrs (from 1994)

3 sales in the last 12 months · ~3.5% of 85 units

Sales, last 12 months

7 recorded since Jun 2021

Median price

$540K

4 Room · 2 sales · last 12 months

Median PSF

$465

4 Room · 2 sales · last 12 months

Price range

$535K – $545K

4 Room · 2 sales · last 12 months

Latest sale

$600,000

Jul 2026 · 5 Room · #01-03

Can you use CPF for this flat?

67 years left on the 99, from 1994.

The lease covers you to 95. Full CPF use.

Youngest buyer's age35

Price$540K

CPF OA balance$150K

CPF you can use

the lease covers you to 95, so the only limit is your balance

$108,000

Maximum bank loan

75% of the price, over 25 years

$405,000

Cash you need

at least $27,000 of any purchase must be cash

$27,000

Monthly instalment

25 years at 3.5%

$2,028

CPF 20% Loan 75% Cash 5%

Indicative. Excludes stamp duty, legal fees and CPF accrued interest. Confirm with HDB and your banker. Rules as at 2026-09-17.

Market Insights

Supply

3 units

3 agent listings

Asking vs sold

+3.7%

$560K ask · $540K sold

4 Room · 2 sold, 3 asking

Price trend

6 months, 3 sales

12 months: 0% (3)

Turnover

3.5%

3 of 85 units, 12 months

What is my flat worth here?

Resale Price Trend

One flat type at a time, so a single larger sale cannot look like a price jump

Median price per month, 4 Room only, 4 sales

Check your valuation today

Recent Resale Transactions

7 recorded · 3 in the last 12 months • Page 1 of 1

Date	Flat Type	Storey	Area	Price	PSF
2026-07	5 ROOM	01 TO 03	1,356 sqft	$600,000	$442
2026-06	4 ROOM	10 TO 12	1,163 sqft	$535,000	$460
2026-04	4 ROOM	01 TO 03	1,163 sqft	$545,000	$469
2025-02	4 ROOM	07 TO 09	1,152 sqft	$560,000	$486
2024-07	4 ROOM	10 TO 12	1,163 sqft	$520,000	$447
2023-09	5 ROOM	04 TO 06	1,378 sqft	$555,000	$403
2021-06	5 ROOM	04 TO 06	1,378 sqft	$480,000	$348