Block 421 Jurong West St 42
421 Jurong West St 42, Singapore 640421
Block 421 Jurong West St 42 is an HDB block in Jurong West, completed in 1984, with 108 dwelling units. 3-Room flats have recently resold around S$380k (64 sqm), from 153 resales on record. The lease has approximately 58 years remaining.
What are the key facts about Block 421 Jurong West St 42?
Block 421 Jurong West St 42 is an HDB block in Jurong West, completed in 1984, with 108 dwelling units.
- Town
- Jurong West
- Planning area
- Jurong West
- Completed
- 1984
- Storeys
- 10
- Total units
- 108
- Market segment
- OCR
- Median resale
- S$380k
- Last transacted
- Feb 2026
- Remaining lease
- ≈ 58 years
What are resale prices at Block 421 Jurong West St 42?
3-Room flats have recently resold around S$380k (S$508 psf), from 153 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 3-Room | 98 | S$350,000recent | 64 sqm | S$508 psf |
| 4-Room | 55 | S$384,000recent | 84 sqm | S$415 psf |
“Recent” medians use the latest transactions; for older blocks the all-time median spans 30+ years and understates today’s price. Source: HDB resale caveats, through Feb 2026.
What has recently sold at Block 421 Jurong West St 42?
Block 421 Jurong West St 42 has 153 recorded resales; the most recent transacted at S$380,000 in Feb 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Feb 2026 | 3-Room | 04 TO 06 | 64 sqm | S$380,000 |
| Jan 2026 | 4-Room | 01 TO 03 | 84 sqm | S$450,000 |
| Nov 2025 | 3-Room | 07 TO 09 | 64 sqm | S$403,888 |
| Mar 2025 | 3-Room | 07 TO 09 | 64 sqm | S$400,000 |
| Oct 2024 | 3-Room | 07 TO 09 | 64 sqm | S$388,000 |
| Jul 2024 | 3-Room | 04 TO 06 | 64 sqm | S$375,000 |
| Apr 2024 | 3-Room | 04 TO 06 | 64 sqm | S$375,000 |
| Oct 2023 | 3-Room | 07 TO 09 | 64 sqm | S$343,000 |
| Sept 2023 | 3-Room | 07 TO 09 | 64 sqm | S$350,000 |
| May 2023 | 4-Room | 01 TO 03 | 84 sqm | S$438,000 |
| Feb 2023 | 4-Room | 01 TO 03 | 84 sqm | S$425,000 |
| Aug 2022 | 3-Room | 04 TO 06 | 64 sqm | S$348,000 |
What flat types are in Block 421 Jurong West St 42?
Block 421 Jurong West St 42 has 108 units, mostly 4-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 421 Jurong West St 42 from MRT and schools?
The nearest MRT/LRT to Block 421 Jurong West St 42 is Lakeside MRT, about 971 m away (~15 min walk). 7 schools are within 1 km, including 3 primary schools.
Getting around
- Lakeside MRT971 m · ~15 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Jurongville Secondary SchoolSecondary schoolwithin 1 km212 m
- Fuhua Secondary SchoolSecondary schoolwithin 1 km366 m
- Yuhua Secondary SchoolSecondary schoolwithin 1 km617 m
- Hua Yi Secondary SchoolSecondary schoolwithin 1 km658 m
- Jurong Primary SchoolPrimary schoolwithin 1 km · P1 priority675 m
- Shuqun Primary SchoolPrimary schoolwithin 1 km · P1 priority707 m
- Pioneer Primary SchoolPrimary schoolwithin 1 km · P1 priority766 m
- Rulang Primary SchoolPrimary school1.1 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 421 Jurong West St 42?
Buying a flat at Block 421 Jurong West St 42 (~S$380k) needs about S$3,029/mo in income and S$1,427/mo in repayments, after S$6,000 stamp duty and a S$95k downpayment.
Illustrative, for a buyer at the recent median resale price (S$380k) — 25% downpayment (bank-loan basis), 25-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →
Buyer's Stamp Duty
S$6,000
BSD, tiered
Downpayment (25%)
S$95k
cash + CPF
Monthly instalment
S$1,427/mo
25y @ 3.5%
Income required
S$3,029/mo
MSR/TDSR @ stress rate
First-time HDB buyers pay no Additional Buyer’s Stamp Duty (ABSD) and may qualify for CPF Housing Grants of up to S$80,000+, which lower the cash required — these are not included above. An HDB concessionary loan also allows a smaller downpayment.
Frequently asked questions about Block 421 Jurong West St 42
What is the resale price at Block 421 Jurong West St 42?⌄
3-Room flats at Block 421 Jurong West St 42 have recently resold around S$380k (64 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 421 Jurong West St 42 by flat type?⌄
3-Room ≈ S$350k; 4-Room ≈ S$384k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 421 Jurong West St 42?⌄
Block 421 Jurong West St 42 has approximately 58 years left on its 99-year lease (completed 1984). This figure is taken from the most recent transacted flat.
How many units are in Block 421 Jurong West St 42?⌄
Block 421 Jurong West St 42 has 108 dwelling units across up to 10 storeys, mostly 4 room flats.
What is the nearest MRT to Block 421 Jurong West St 42?⌄
The nearest MRT/LRT station to Block 421 Jurong West St 42 is Lakeside MRT, about 971 m away (~15 min walk).
Which primary schools are within 1 km of Block 421 Jurong West St 42?⌄
Jurong Primary School, Shuqun Primary School, Pioneer Primary School are within 1 km of Block 421 Jurong West St 42 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 421 Jurong West St 42 a good place to buy an HDB resale flat?⌄
Block 421 Jurong West St 42 sits in Jurong West, in the Jurong West planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈58 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
