Blk 421 Jurong West St 42
Completed 1984 · 10 storeys · 108 flats · 58 years 04 months remaining · 24 resale transactions on record · median household income in Jurong West: $8,500/mo
10 storeys · completed 1984
What the record shows
A 3-room here sold for $380,000 in Feb 2026. The same flat type in this block averaged $318,667 in 2021 - a gain of $61,333 - about $34 a day while the owner slept.
This block crossed 60 years remaining in 2024 - the line where CPF usage rules tighten for buyers. In Jurong West over the last two years, flats below that line sold at a median 8% below their younger neighbours' PSF (963 sales).
Across Jurong West, roughly 775 flats in newly-completed blocks reach the end of MOP between 2026 and 2028 - new sellers entering this market.
Rent check
What flats in this block actually rented for in the last 12 months - official approvals, not listings. If you’re quoted much more, you have a number to negotiate with.
| Type | Block median | Range | Jurong West median | Gross yield | Rented |
|---|---|---|---|---|---|
| 3-ROOM | $1,700/mo | $1,700–$1,700 | $2,700/mo | - | 1 |
| 4-ROOM | $3,400/mo | $3,300–$3,500 | $3,500/mo | - | 3 |
Price trend
median PSF by year · ━ this block · ╌ Jurong West · gaps = years with no sales here
Every recent sale HDB official record, latest 24
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Feb 2026 | 3 ROOM | 04 to 06 | 64 | $380,000 | $552 | 58y 04m |
| Jan 2026 | 4 ROOM | 01 to 03 | 84 | $450,000 | $498 | 58y 07m |
| Nov 2025 | 3 ROOM | 07 to 09 | 64 | $403,888 | $586 | 58y 07m |
| Mar 2025 | 3 ROOM | 07 to 09 | 64 | $400,000 | $581 | 59y 03m |
| Oct 2024 | 3 ROOM | 07 to 09 | 64 | $388,000 | $563 | 59y 09m |
| Jul 2024 | 3 ROOM | 04 to 06 | 64 | $375,000 | $544 | 60y |
| Apr 2024 | 3 ROOM | 04 to 06 | 64 | $375,000 | $544 | 60y 03m |
| Oct 2023 | 3 ROOM | 07 to 09 | 64 | $343,000 | $498 | 60y 08m |
| Sept 2023 | 3 ROOM | 07 to 09 | 64 | $350,000 | $508 | 60y 10m |
| May 2023 | 4 ROOM | 01 to 03 | 84 | $438,000 | $484 | 61y 02m |
| Feb 2023 | 4 ROOM | 01 to 03 | 84 | $425,000 | $470 | 61y 05m |
| Aug 2022 | 3 ROOM | 04 to 06 | 64 | $348,000 | $505 | 61y 11m |
| Jul 2022 | 4 ROOM | 07 to 09 | 89 | $430,000 | $449 | 62y |
| Jul 2022 | 3 ROOM | 04 to 06 | 64 | $316,000 | $459 | 62y |
| Apr 2022 | 3 ROOM | 04 to 06 | 64 | $328,000 | $476 | 62y 02m |
| Jan 2022 | 3 ROOM | 07 to 09 | 64 | $320,000 | $465 | 62y 06m |
| May 2021 | 3 ROOM | 07 to 09 | 64 | $308,000 | $447 | 63y 02m |
| Jul 2020 | 4 ROOM | 01 to 03 | 84 | $315,000 | $348 | 64y |
| Jan 2020 | 4 ROOM | 10 to 12 | 84 | $315,000 | $348 | 64y 05m |
| May 2019 | 3 ROOM | 07 to 09 | 64 | $257,000 | $373 | 65y 01m |
| Mar 2019 | 3 ROOM | 01 to 03 | 64 | $241,000 | $350 | 65y 03m |
| May 2017 | 3 ROOM | 04 to 06 | 64 | $253,000 | $367 | 67y 01m |
| Apr 2017 | 4 ROOM | 01 to 03 | 84 | $340,000 | $376 | 67y 02m |
| Jan 2017 | 3 ROOM | 07 to 09 | 64 | $269,000 | $390 | 67y 05m |
Who lives in Jurong West
Census of Population 2020 · planning-area aggregates · SingStat via data.gov.sg
The neighbourhood
What sits around this address - distances computed from official OneMap and LTA records.
Around this block
The nearest blocks by actual distance - street names are postal artifacts, so true neighbours often sit on a different road. Price gaps are median-vs-median on the flat type both blocks actually trade.
built 1984 · same generation
built 1983 · same generation
built 1984 · same generation
3-room median $20k below this block · 3 vs 5 sales
3-room median $18k below this block · 3 vs 5 sales
3-room median $8k below this block · 3 vs 5 sales
Condos nearby
The private premium, measured: the nearest condo trades at 3.3×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.