How much is a flat at Blk 509 Choa Chu Kang St 51 worth?

5 Room: $659,000 median (2 sales 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 509 Choa Chu Kang St 51?

Blk 509 Choa Chu Kang St 51 has 5 Room flats across 54 units. The lease started in 1995 and has about 68 years left of its 99.

What was the most recent sale at Blk 509 Choa Chu Kang St 51?

A 5 Room flat, storeys 10 to 12 sold for $618,000 in Sep 2026.

What is the price per square foot at Blk 509 Choa Chu Kang St 51?

5 Room flats have a median of $456 psf, based on 2 sales in the last 12 months.

How often do flats come up for sale at Blk 509 Choa Chu Kang St 51?

2 flats changed hands in the last 12 months, about 3.7% of the 54 units in the block. 7 sales are recorded here since Nov 2021.

Blk 509 Choa Chu Kang St 51

Choa Chu Kang6805095 ROOMLease balance: 68 yrs (from 1995)

2 sales in the last 12 months · ~3.7% of 54 units

Sales, last 12 months

7 recorded since Nov 2021

Median price

$659K

5 Room · 2 sales · last 12 months

Median PSF

$456

5 Room · 2 sales · last 12 months

Price range

$618K – $700K

5 Room · 2 sales · last 12 months

Latest sale

$618,000

Sep 2026 · 5 Room · #10-12

Can you use CPF for this flat?

68 years left on the 99, from 1995.

The lease covers you to 95. Full CPF use.

Youngest buyer's age35

Price$659K

CPF OA balance$150K

CPF you can use

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

$131,800

Maximum bank loan

75% of the price, over 25 years

$494,250

Cash you need

at least $32,950 of any purchase must be cash

$32,950

Monthly instalment

25 years at 3.5%

$2,474

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

0 units

0 agent listings

Asking vs sold

–

Nothing on the market here

Price trend

6 months, 2 sales

12 months: -7.2% (2)

Turnover

3.7%

2 of 54 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, 5 Room only, 7 sales

Check your valuation today

Recent Resale Transactions

7 recorded · 2 in the last 12 months • Page 1 of 1

Date	Flat Type	Storey	Area	Price	PSF
2026-09	5 ROOM	10 TO 12	1,464 sqft	$618,000	$422
2026-07	5 ROOM	13 TO 15	1,432 sqft	$700,000	$489
2025-01	5 ROOM	13 TO 15	1,475 sqft	$710,000	$481
2022-10	5 ROOM	04 TO 06	1,464 sqft	$590,000	$403
2022-02	5 ROOM	01 TO 03	1,421 sqft	$528,000	$372
2022-02	5 ROOM	04 TO 06	1,410 sqft	$550,000	$390
2021-11	5 ROOM	13 TO 15	1,432 sqft	$530,000	$370