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Block 665 Yishun Avenue 4

4 Room · 5 Room · Executive · Built 1992 · 65 years remaining lease · Updated Apr 2026 MOP Cleared

Block 665 Yishun Avenue 4 has 15 recorded HDB resale transactions since 2017. Latest sale: $1,025,000 (Apr 2026, executive, floors 01–03). Median $4,623/sqm. Prices up 33.6% over the past five years. Built 1992, 65 years lease remaining.

Latest Sale
$1,025,000
Apr 2026 · EXECUTIVE · Floor 01-03
Median $/sqm
$4,623
Based on 15 transactions
Total Transactions
15
Since Jan 2017
5-Year Trend
▲ +33.6%
Median price change
Median Price ?
Top 5%
#33 / 640 Top 5%
Latest Sale ?
Top 2%
#10 / 640 Top 2%
Value ($/sqm) ?
Top 52%
#330 / 640 Top 52%
5-Year Growth ?
Top 46%
#209 / 455 Top 46%
Price Trend
Source: HDB Resale Flat Prices, data.gov.sg. Updated monthly.
What's Your Unit Worth?
HDB records transactions in 3-storey bands (e.g. 01 TO 03). Pick the band closest to your floor.
Estimated Market Value
--
How we estimate this →
Future Value Projection
Market Appreciation
+6%/yr
vs
Lease Decay
−0.42%/yr
Growth assumption
Based on this block’s +33.6% growth over 5 years
Estimated value in --
--
Market appreciation --
Lease decay --
Net effect --
Projection uses Bala's Table (SLA leasehold model) for lease decay and your selected growth rate for appreciation. Lease decay is non-linear and accelerates as remaining lease shortens. Past growth does not guarantee future performance. Not financial advice.
Lease Decay Projection
0 years 65 years remaining 99 years
65 years 2 months
Remaining lease
↓ 0.42%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 65 years remaining, decay is gradual (~0.42%/yr). It accelerates significantly below 40 years. Market appreciation (historically 2-4%/yr) currently outpaces lease decay for this block.
Rental & Yield

What this block rents for, and the gross rental yield (annual rent ÷ resale price). This block has too few rentals on record, so figures shown are the Yishun average.

Flat type Median rent /mo Gross yield Based on
4-Room $3,100 typically $2,900–$3,300 6.6% Yishun avg · block too thin
5-Room $3,400 typically $3,200–$3,600 5.7% Yishun avg · block too thin
Executive $3,600 typically $3,300–$4,000 4.8% Yishun avg · block too thin
Gross yield is annual rent before maintenance, property tax, and vacancy, so net return is lower. Renting out a whole HDB flat requires meeting the 5-year Minimum Occupation Period and HDB approval. Rents are owner-declared to HDB and unverified.
Source: HDB Renting Out of Flats, data.gov.sg (Singapore Open Data Licence).
Primary schools nearby

This block is inside the 1 km Primary 1 priority zone for 3 popular schools. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.

Compare homes near all 50 popular schools
Distances are straight-line estimates from this block, indicative only. MOE measures from its own school reference point, so confirm the exact distance before relying on it.
Where this home sits, and its schools
3 schools in the 1 km top-priority zone
  • This home
  • School within 1 km
  • School 1–2 km
  • 1km ring, top priority
  • 2km ring, next tier

Straight-line distances, the basis MOE uses for Home–School Distance priority. Tap a school to open it. Map © OneMap, SLA.

Nearby comparable homes

Other HDB blocks closest to Block 665 Yishun Avenue 4 in Yishun, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.

See all HDB blocks in Yishun
Distances are straight-line estimates from this home, indicative only. Prices are medians of recorded resale transactions, not asking prices.
All Transactions
Date Floor Type Area Price $/sqm
Apr 2026 01 TO 03 EXECUTIVE 164 sqm $1,025,000 $6,250
Jan 2026 01 TO 03 5 ROOM 132 sqm $750,000 $5,682
Aug 2025 04 TO 06 4 ROOM 109 sqm $600,000 $5,505
Jul 2025 04 TO 06 5 ROOM 132 sqm $735,000 $5,568
Feb 2025 01 TO 03 EXECUTIVE 181 sqm $1,068,000 $5,901
May 2024 01 TO 03 5 ROOM 134 sqm $708,888 $5,290
Apr 2023 04 TO 06 4 ROOM 106 sqm $490,000 $4,623
Jun 2022 07 TO 09 5 ROOM 134 sqm $625,000 $4,664
Nov 2021 04 TO 06 4 ROOM 117 sqm $470,000 $4,017
Oct 2021 04 TO 06 5 ROOM 134 sqm $540,000 $4,030
Apr 2019 01 TO 03 EXECUTIVE 181 sqm $758,000 $4,188
Dec 2018 07 TO 09 EXECUTIVE 164 sqm $708,000 $4,317
Aug 2018 01 TO 03 5 ROOM 132 sqm $455,000 $3,447
Jul 2018 04 TO 06 4 ROOM 109 sqm $325,000 $2,982
Mar 2017 04 TO 06 EXECUTIVE 164 sqm $680,000 $4,146
Showing 15 of 15 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 665 Yishun Avenue 4

Block 665 Yishun Avenue 4 is a million-dollar HDB block: a flat here has sold for as much as $1,068,000 (Feb 2025), among the rare blocks in Yishun to cross that mark. Its median runs about 62% above the Yishun median, ahead of around 95% of the town's blocks. It has a relatively light resale record, with 15 transactions since 2017 across 4 room, 5 room, executive flats priced from $325,000 to $1,068,000. The most recent transaction was an executive flat on storeys 01 TO 03 at $1,025,000 in Apr 2026, and the median works out to $4,623/sqm. Over five years, prices here are up about 33.6%. Under Bala's Table (the SLA leasehold valuation model), its leasehold relativity ratio is 0.8937, an annual lease decay of about 0.42%. All transaction data is sourced from data.gov.sg and updated monthly.

Frequently Asked Questions

How much is an HDB flat at Block 665 Yishun Avenue 4 worth?

The most recent resale transaction at Block 665 Yishun Avenue 4 was $1,025,000 for a executive flat in 2026-04. The median price per square metre across all flat types is $4,623, based on 15 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 665 Yishun Avenue 4?

Block 665 Yishun Avenue 4 was built in 1992 and has approximately 65 years and 2 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.42%, meaning the leasehold value decreases by approximately 0.42% per year at the current remaining lease.

What flat types are available at Block 665 Yishun Avenue 4?

Block 665 Yishun Avenue 4 in Yishun contains 4 room, 5 room, executive flats. Resale prices range from $325,000 to $1,068,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 665 Yishun Avenue 4 gone up or down?

Resale prices at Block 665 Yishun Avenue 4 have increased by approximately 33.6% over the past five years. The current median price is $680,000, with the most recent sale at $1,025,000 in 2026-04.

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