How much is a flat at Blk 235 Yishun St 21 worth?

5 Room: $710,000 median (1 sale in the last 12 months). 3 Room: $413,000 median (1 sale in the last 12 months). 4 Room: $466,944 median (4 recorded sales, none 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 235 Yishun St 21?

Blk 235 Yishun St 21 has 3 Room, 4 Room, 5 Room flats across 84 units. The lease started in 1985 and has about 58 years left of its 99.

What was the most recent sale at Blk 235 Yishun St 21?

A 5 Room flat, storeys 04 to 06 sold for $710,000 in Mar 2026.

What is the price per square foot at Blk 235 Yishun St 21?

5 Room flats have a median of $489 psf, based on 1 sale in the last 12 months.

How often do flats come up for sale at Blk 235 Yishun St 21?

2 flats changed hands in the last 12 months, about 2.4% of the 84 units in the block. 12 sales are recorded here since Mar 2022.

Blk 235 Yishun St 21

Yishun7602353 ROOM4 ROOM5 ROOMLease balance: 58 yrs (from 1985)

2 sales in the last 12 months · ~2.4% of 84 units

Sales, last 12 months

12 recorded since Mar 2022

Median price

$710K

5 Room · 1 sale · last 12 months

Median PSF

$489

5 Room · 1 sale · last 12 months

Price range

$710K – $710K

5 Room · 1 sale · last 12 months

Latest sale

$710,000

Mar 2026 · 5 Room · #04-06

Can you use CPF for this flat?

58 years left on the 99, from 1985.

Short by 2 years. CPF capped at 97% of the price, loan at 75%.

Youngest buyer's age35

Price$710K

CPF OA balance$150K

CPF you can use

capped at 97% of the price (58 years of lease over the 60 you need)

$142,000

Maximum bank loan

75% of the price, over 25 years

$532,500

Cash you need

at least $35,500 of any purchase must be cash

$35,500

Monthly instalment

25 years at 3.5%

$2,666

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

2 units

2 agent listings

Asking vs sold

+5.4%

$748K ask · $710K sold

5 Room · 1 sold, 1 asking

Price trend

-100%

6 months, 0 sales

12 months: -2.2% (2)

Turnover

2.4%

2 of 84 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, 5 sales

Check your valuation today

Recent Resale Transactions

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

Date	Flat Type	Storey	Area	Price	PSF
2026-03	5 ROOM	04 TO 06	1,453 sqft	$710,000	$489
2026-02	3 ROOM	07 TO 09	721 sqft	$413,000	$573
2025-06	4 ROOM	01 TO 03	1,001 sqft	$480,000	$479
2025-05	5 ROOM	10 TO 12	1,453 sqft	$730,000	$502
2025-02	3 ROOM	10 TO 12	721 sqft	$400,000	$555
2024-11	5 ROOM	07 TO 09	1,453 sqft	$686,000	$472
2023-07	4 ROOM	07 TO 09	1,076 sqft	$488,000	$453
2023-04	3 ROOM	04 TO 06	721 sqft	$370,000	$513
2022-10	4 ROOM	04 TO 06	1,001 sqft	$453,888	$453
2022-07	5 ROOM	07 TO 09	1,453 sqft	$598,000	$412
2022-06	5 ROOM	10 TO 12	1,453 sqft	$630,000	$434
2022-03	4 ROOM	10 TO 12	1,076 sqft	$445,000	$413