Block 421 Hougang Ave 10
421 Hougang Ave 10, Singapore 530421
Block 421 Hougang Ave 10 is an HDB block in Hougang, completed in 1988, with 84 dwelling units. 4-Room flats have recently resold around S$530k (108 sqm), from 75 resales on record. The lease has approximately 63 years remaining.
What are the key facts about Block 421 Hougang Ave 10?
Block 421 Hougang Ave 10 is an HDB block in Hougang, completed in 1988, with 84 dwelling units.
- Town
- Hougang
- Planning area
- Hougang
- Completed
- 1988
- Storeys
- 13
- Total units
- 84
- Market segment
- OCR
- Median resale
- S$530k
- Last transacted
- Jul 2025
- Remaining lease
- ≈ 63 years
What are resale prices at Block 421 Hougang Ave 10?
4-Room flats have recently resold around S$530k (S$443 psf), from 75 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 53 | S$450,000recent | 105 sqm | S$386 psf |
| 5-Room | 22 | S$430,000recent | 122 sqm | S$308 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 Jul 2025.
What has recently sold at Block 421 Hougang Ave 10?
Block 421 Hougang Ave 10 has 75 recorded resales; the most recent transacted at S$745,000 in Jul 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Jul 2025 | 4-Room | 13 TO 15 | 113 sqm | S$745,000 |
| Jan 2025 | 4-Room | 04 TO 06 | 113 sqm | S$700,000 |
| Nov 2024 | 5-Room | 13 TO 15 | 122 sqm | S$780,000 |
| May 2024 | 5-Room | 04 TO 06 | 122 sqm | S$706,000 |
| Feb 2024 | 4-Room | 07 TO 09 | 105 sqm | S$620,000 |
| Sept 2022 | 4-Room | 10 TO 12 | 103 sqm | S$530,000 |
| Apr 2022 | 4-Room | 07 TO 09 | 108 sqm | S$515,000 |
| Jun 2021 | 4-Room | 07 TO 09 | 103 sqm | S$450,000 |
| Jun 2020 | 4-Room | 13 TO 15 | 105 sqm | S$430,000 |
| May 2020 | 4-Room | 04 TO 06 | 113 sqm | S$450,000 |
| Mar 2020 | 4-Room | 07 TO 09 | 108 sqm | S$425,000 |
| May 2017 | 5-Room | 10 TO 12 | 131 sqm | S$582,000 |
What flat types are in Block 421 Hougang Ave 10?
Block 421 Hougang Ave 10 has 84 units, mostly 4-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 421 Hougang Ave 10 from MRT and schools?
The nearest MRT/LRT to Block 421 Hougang Ave 10 is Hougang MRT, about 528 m away (~8 min walk). 9 schools are within 1 km, including 5 primary schools.
Getting around
- Hougang MRT528 m · ~8 min
- Buangkok MRT847 m · ~13 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Punggol Primary SchoolPrimary schoolwithin 1 km · P1 priority265 m
- Chij Our Lady Of The NativityPrimary schoolwithin 1 km · P1 priority395 m
- Holy Innocents' High SchoolSecondary schoolwithin 1 km470 m
- Montfort Junior SchoolPrimary schoolwithin 1 km · P1 priority628 m
- Montfort Secondary SchoolSecondary schoolwithin 1 km665 m
- North Vista Secondary SchoolSecondary schoolwithin 1 km805 m
- Serangoon Secondary SchoolSecondary schoolwithin 1 km828 m
- North Vista Primary SchoolPrimary schoolwithin 1 km · P1 priority834 m
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 421 Hougang Ave 10?
Buying a flat at Block 421 Hougang Ave 10 (~S$530k) needs about S$4,225/mo in income and S$1,990/mo in repayments, after S$10,500 stamp duty and a S$133k downpayment.
Illustrative, for a buyer at the recent median resale price (S$530k) — 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$10,500
BSD, tiered
Downpayment (25%)
S$133k
cash + CPF
Monthly instalment
S$1,990/mo
25y @ 3.5%
Income required
S$4,225/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 Hougang Ave 10
What is the resale price at Block 421 Hougang Ave 10?⌄
4-Room flats at Block 421 Hougang Ave 10 have recently resold around S$530k (108 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 421 Hougang Ave 10 by flat type?⌄
4-Room ≈ S$450k; 5-Room ≈ S$430k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 421 Hougang Ave 10?⌄
Block 421 Hougang Ave 10 has approximately 63 years left on its 99-year lease (completed 1988). This figure is taken from the most recent transacted flat.
How many units are in Block 421 Hougang Ave 10?⌄
Block 421 Hougang Ave 10 has 84 dwelling units across up to 13 storeys, mostly 4 room flats.
What is the nearest MRT to Block 421 Hougang Ave 10?⌄
The nearest MRT/LRT station to Block 421 Hougang Ave 10 is Hougang MRT, about 528 m away (~8 min walk).
Which primary schools are within 1 km of Block 421 Hougang Ave 10?⌄
Punggol Primary School, Chij Our Lady Of The Nativity, Montfort Junior School, North Vista Primary School are within 1 km of Block 421 Hougang Ave 10 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 421 Hougang Ave 10 a good place to buy an HDB resale flat?⌄
Block 421 Hougang Ave 10 sits in Hougang, in the Hougang planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈63 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
