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Block 431A Yishun Avenue 1

4 Room · 5 Room · Built 2015 · 88 years remaining lease · Updated Jun 2026 MOP Cleared

Block 431A Yishun Avenue 1 has 43 recorded HDB resale transactions since 2017. Latest sale: $685,000 (Jun 2026, 5 room, floors 10–12). Median $4,684/sqm. Prices up 30.3% over the past five years. Built 2015, 88 years lease remaining.

How this block compares

  • 4 Room$551,000
    −1.6%vs town(−$9k)−12.5%vs national(−$79k)
  • 5 Room$667,500
    −5.7%vs town(−$41k)−9.8%vs national(−$73k)

Median of resales in the 12 months to Jul 2026, compared with town and Singapore medians on the same basis. Flat types with fewer than two sales in the window are omitted.

Latest Sale
$685,000
Jun 2026 · 5 ROOM · Floor 10-12
Median $/sqm
$4,684
Based on 43 transactions
Total Transactions
43
Since Jan 2017
5-Year Trend
▲ +30.3%
Median price change
Median Price ?
Top 30%
#194 / 640 Top 30%
Latest Sale ?
Top 17%
#110 / 640 Top 17%
Value ($/sqm) ?
Top 47%
#300 / 640 Top 47%
5-Year Growth ?
Top 62%
#280 / 455 Top 62%
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
+5.4%/yr
vs
Lease Decay
−0.18%/yr
Growth assumption
Based on this block’s +30.3% 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 88 years remaining 99 years
88 years 3 months
Remaining lease
↓ 0.18%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 88 years remaining, decay is gradual (~0.18%/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
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 431A Yishun Avenue 1 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
Jun 2026 10 TO 12 5 ROOM 112 sqm $685,000 $6,116
May 2026 01 TO 03 4 ROOM 92 sqm $532,000 $5,783
Feb 2026 04 TO 06 5 ROOM 112 sqm $650,000 $5,804
Jan 2026 13 TO 15 4 ROOM 92 sqm $570,000 $6,196
Jul 2025 04 TO 06 4 ROOM 92 sqm $570,088 $6,197
May 2025 04 TO 06 4 ROOM 92 sqm $565,000 $6,141
Sep 2024 07 TO 09 4 ROOM 92 sqm $560,000 $6,087
Sep 2024 10 TO 12 4 ROOM 92 sqm $599,000 $6,511
Jul 2024 07 TO 09 4 ROOM 92 sqm $560,000 $6,087
Jul 2024 07 TO 09 5 ROOM 112 sqm $630,000 $5,625
Jul 2024 10 TO 12 5 ROOM 112 sqm $632,000 $5,643
Feb 2024 10 TO 12 5 ROOM 112 sqm $620,000 $5,536
May 2023 07 TO 09 5 ROOM 112 sqm $620,000 $5,536
Jul 2022 07 TO 09 5 ROOM 112 sqm $592,000 $5,286
Jul 2022 04 TO 06 5 ROOM 112 sqm $595,000 $5,313
May 2022 10 TO 12 5 ROOM 112 sqm $585,000 $5,223
Jan 2022 07 TO 09 4 ROOM 92 sqm $490,000 $5,326
Nov 2021 01 TO 03 5 ROOM 112 sqm $500,000 $4,464
Aug 2021 04 TO 06 5 ROOM 112 sqm $525,000 $4,688
Mar 2021 04 TO 06 4 ROOM 92 sqm $432,000 $4,696
Showing 20 of 43 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 431A Yishun Avenue 1

Resale prices at Block 431A Yishun Avenue 1 in Yishun have risen sharply, up about 30.3% over the past five years. Its median runs about 17% above the Yishun median, ahead of around 70% of the town's blocks. It has a regular flow of resale activity, with 43 transactions since 2017 across 4 room, 5 room flats priced from $377,000 to $685,000. The most recent transaction was a 5 room flat on storeys 10 TO 12 at $685,000 in Jun 2026, and the median works out to $4,684/sqm. Floor level matters here: units on the higher 10 TO 12 band have sold around 17% above those on the 01 TO 03 band. All transaction data is sourced from data.gov.sg and updated monthly.

Frequently Asked Questions

How much is an HDB flat at Block 431A Yishun Avenue 1 worth?

The most recent resale transaction at Block 431A Yishun Avenue 1 was $685,000 for a 5 room flat in 2026-06. The median price per square metre across all flat types is $4,684, based on 43 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 431A Yishun Avenue 1?

Block 431A Yishun Avenue 1 was built in 2015 and has approximately 88 years and 3 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.18%, meaning the leasehold value decreases by approximately 0.18% per year at the current remaining lease.

What flat types are available at Block 431A Yishun Avenue 1?

Block 431A Yishun Avenue 1 in Yishun contains 4 room, 5 room flats. Resale prices range from $377,000 to $685,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 431A Yishun Avenue 1 gone up or down?

Resale prices at Block 431A Yishun Avenue 1 have increased by approximately 30.3% over the past five years. The current median price is $490,888, with the most recent sale at $685,000 in 2026-06.

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