Block 423 Hougang Ave 6
423 Hougang Ave 6, Singapore 530423
Block 423 Hougang Ave 6 is an HDB block in Hougang, completed in 1989, with 90 dwelling units. 4-Room flats have recently resold around S$498k (105 sqm), from 105 resales on record. The lease has approximately 63 years remaining.
What are the key facts about Block 423 Hougang Ave 6?
Block 423 Hougang Ave 6 is an HDB block in Hougang, completed in 1989, with 90 dwelling units.
- Town
- Hougang
- Planning area
- Hougang
- Completed
- 1989
- Storeys
- 10
- Total units
- 90
- Market segment
- OCR
- Median resale
- S$498k
- Last transacted
- Jul 2025
- Remaining lease
- ≈ 63 years
What are resale prices at Block 423 Hougang Ave 6?
4-Room flats have recently resold around S$498k (S$432 psf), from 105 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 80 | S$488,000recent | 105 sqm | S$432 psf |
| 5-Room | 25 | S$395,088recent | 122 sqm | S$298 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 423 Hougang Ave 6?
Block 423 Hougang Ave 6 has 105 recorded resales; the most recent transacted at S$662,888 in Jul 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Jul 2025 | 4-Room | 07 TO 09 | 94 sqm | S$662,888 |
| Aug 2024 | 4-Room | 04 TO 06 | 109 sqm | S$650,000 |
| Feb 2024 | 4-Room | 04 TO 06 | 103 sqm | S$590,000 |
| Jul 2022 | 4-Room | 07 TO 09 | 105 sqm | S$550,000 |
| Apr 2022 | 4-Room | 04 TO 06 | 113 sqm | S$530,000 |
| Dec 2021 | 4-Room | 01 TO 03 | 105 sqm | S$488,000 |
| Jul 2021 | 5-Room | 07 TO 09 | 123 sqm | S$555,000 |
| Jun 2020 | 4-Room | 04 TO 06 | 105 sqm | S$428,000 |
| Jul 2018 | 4-Room | 07 TO 09 | 94 sqm | S$368,000 |
| Jun 2018 | 4-Room | 07 TO 09 | 110 sqm | S$465,000 |
| Jun 2018 | 4-Room | 07 TO 09 | 110 sqm | S$498,000 |
| Jul 2016 | 4-Room | 07 TO 09 | 103 sqm | S$481,000 |
What flat types are in Block 423 Hougang Ave 6?
Block 423 Hougang Ave 6 has 90 units, mostly 4-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 423 Hougang Ave 6 from MRT and schools?
The nearest MRT/LRT to Block 423 Hougang Ave 6 is Hougang MRT, about 357 m away (~6 min walk). 9 schools are within 1 km, including 5 primary schools.
Getting around
- Hougang MRT357 m · ~6 min
- Buangkok MRT982 m · ~15 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Holy Innocents' High SchoolSecondary schoolwithin 1 km390 m
- Chij Our Lady Of The NativityPrimary schoolwithin 1 km · P1 priority409 m
- Punggol Primary SchoolPrimary schoolwithin 1 km · P1 priority417 m
- Montfort Junior SchoolPrimary schoolwithin 1 km · P1 priority520 m
- Montfort Secondary SchoolSecondary schoolwithin 1 km561 m
- Holy Innocents' Primary SchoolPrimary schoolwithin 1 km · P1 priority794 m
- Serangoon Secondary SchoolSecondary schoolwithin 1 km910 m
- North Vista Secondary SchoolSecondary schoolwithin 1 km975 m
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 423 Hougang Ave 6?
Buying a flat at Block 423 Hougang Ave 6 (~S$498k) needs about S$3,970/mo in income and S$1,870/mo in repayments, after S$9,540 stamp duty and a S$125k downpayment.
Illustrative, for a buyer at the recent median resale price (S$498k) — 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$9,540
BSD, tiered
Downpayment (25%)
S$125k
cash + CPF
Monthly instalment
S$1,870/mo
25y @ 3.5%
Income required
S$3,970/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 423 Hougang Ave 6
What is the resale price at Block 423 Hougang Ave 6?⌄
4-Room flats at Block 423 Hougang Ave 6 have recently resold around S$498k (105 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 423 Hougang Ave 6 by flat type?⌄
4-Room ≈ S$488k; 5-Room ≈ S$395k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 423 Hougang Ave 6?⌄
Block 423 Hougang Ave 6 has approximately 63 years left on its 99-year lease (completed 1989). This figure is taken from the most recent transacted flat.
How many units are in Block 423 Hougang Ave 6?⌄
Block 423 Hougang Ave 6 has 90 dwelling units across up to 10 storeys, mostly 4 room flats.
What is the nearest MRT to Block 423 Hougang Ave 6?⌄
The nearest MRT/LRT station to Block 423 Hougang Ave 6 is Hougang MRT, about 357 m away (~6 min walk).
Which primary schools are within 1 km of Block 423 Hougang Ave 6?⌄
Chij Our Lady Of The Nativity, Punggol Primary School, Montfort Junior School, Holy Innocents' Primary School are within 1 km of Block 423 Hougang Ave 6 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 423 Hougang Ave 6 a good place to buy an HDB resale flat?⌄
Block 423 Hougang Ave 6 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.
