How much is a flat at Blk 666 Hougang Ave 4 worth?

4 Room: $620,000 median (1 sale in the last 12 months). 5 Room: $660,000 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 666 Hougang Ave 4?

Blk 666 Hougang Ave 4 has 4 Room, 5 Room flats across 32 units. The lease started in 1988 and has about 61 years left of its 99.

What was the most recent sale at Blk 666 Hougang Ave 4?

A 4 Room flat, storeys 01 to 03 sold for $620,000 in Aug 2026.

What is the price per square foot at Blk 666 Hougang Ave 4?

4 Room flats have a median of $514 psf, based on 1 sale in the last 12 months.

How often do flats come up for sale at Blk 666 Hougang Ave 4?

2 flats changed hands in the last 12 months, about 6.3% of the 32 units in the block. 4 sales are recorded here since Jan 2022.

Blk 666 Hougang Ave 4

Hougang5306664 ROOM5 ROOMLease balance: 61 yrs (from 1988)

2 sales in the last 12 months · ~6.3% of 32 units

Sales, last 12 months

4 recorded since Jan 2022

Median price

$620K

4 Room · 1 sale · last 12 months

Median PSF

$514

4 Room · 1 sale · last 12 months

Price range

$620K – $620K

4 Room · 1 sale · last 12 months

Latest sale

$620,000

Aug 2026 · 4 Room · #01-03

Can you use CPF for this flat?

61 years left on the 99, from 1988.

The lease covers you to 95. Full CPF use.

Youngest buyer's age35

Price$620K

CPF OA balance$150K

CPF you can use

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

$124,000

Maximum bank loan

75% of the price, over 25 years

$465,000

Cash you need

at least $31,000 of any purchase must be cash

$31,000

Monthly instalment

25 years at 3.5%

$2,328

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

1 unit

1 agent listing

Asking vs sold

+11.3%

$690K ask · $620K sold

All flat types · 1 sold, 1 asking

Price trend

-6.1%

6 months, 1 sale

12 months: +1.1% (2)

Turnover

6.3%

2 of 32 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, 3 sales

Check your valuation today

Recent Resale Transactions

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

Date	Flat Type	Storey	Area	Price	PSF
2026-08	4 ROOM	01 TO 03	1,206 sqft	$620,000	$514
2026-03	5 ROOM	01 TO 03	1,313 sqft	$660,000	$503
2025-09	4 ROOM	01 TO 03	1,195 sqft	$633,000	$530
2022-01	4 ROOM	01 TO 03	1,163 sqft	$445,000	$383