01 · Blocks
Which blocks sold for less?
Each block's median, low to high. The line runs from its cheapest sale to its dearest.
Blk 423 ranks the 4th highest of 6 blocks with two or more sales.
Blk 423 Hougang Ave 6
Resale prices since Nov 2024:
This blockBlk 423 Hougang Ave 67 min to Hougang · built 1989 with the 10 blocks in grey · 4–5 room · 61 years left
Nearest stations
Hougang MRT560 m to Exit C 7 min walk
Buangkok MRT 14 min walk
Ranggung LRT 16 min walk
90 homes in this block
4‑room72
5‑room18
- Completed
- 1989
- Storeys
- 10
- Lease
- 1989 to 2088
Under 34? You may get less CPF and a smaller HDB loan.
Blk 423 resale prices
S$838,888 to S$855,000
Two sales at Blk 423 since Nov 2024 · S$639 and S$651 psf
| Month | Storey | Size | Model | Price | PSF |
|---|---|---|---|---|---|
| Sep 2026 | 4–6 | 122 m² · 1313 sq ft | Improved | S$855,000 | S$651 |
| Jul 2026 | 7–9 | 122 m² · 1313 sq ft | Improved | S$838,888 | S$639 |
Against the blocks around it
5‑room sales since Nov 2024 at Blk 423, one block built with it and eight other blocks within 250 m with leases from 1986 to 1992. In S$ per sq ft, so sizes compare.
02 · Floors
Do higher floors cost more?
The median for each storey band, across the same blocks.
Storeys 16–18 sold for more per sq ft than storeys 4–6.
03 · Months
How have prices moved?
Each month's median across these blocks, with a line from its cheapest sale to its dearest and the number sold. Blk 423's own sales.
The median went from S$617 psf in the first year to S$617 in the past year.
S$662,888
One 4‑room sale at Blk 423, in Jul 2025 · S$655 psf
| Month | Storey | Size | Model | Price | PSF |
|---|---|---|---|---|---|
| Jul 2025 | 7–9 | 94 m² · 1012 sq ft | New Generation | S$662,888 | S$655 |
Against the blocks around it
4‑room sales since Nov 2024 at Blk 423, four blocks built with it and eight other blocks within 250 m with leases from 1986 to 1992. In S$ per sq ft, so sizes compare.
01 · Blocks
Which blocks sold for less?
Each block's median, low to high. The line runs from its cheapest sale to its dearest.
Blk 423's one sale was S$655 psf.
02 · Floors
Do higher floors cost more?
The median for each storey band, across the same blocks.
Storeys 13–15 sold for more per sq ft than storeys 1–3.
03 · Months
How have prices moved?
Each month's median across these blocks, with a line from its cheapest sale to its dearest and the number sold. Blk 423's own sales.
The median went from S$605 psf in the first year to S$613 in the past year.
Blk 423 rents
S$3,400 to S$3,600 a month
What most 4‑room flats here rent for: 5 rentals at Blk 423 since Nov 2024, median S$3,500
Blk 423 20 other blocks around it Median across all of them
Each dot is a rental HDB approved since Nov 2024. Owners declare the rent and HDB doesn't check it, so treat single rentals with care.
Primary schools near Blk 423
Within 1 km · 6
- 1Punggol Primary School320 m
- 2CHIJ Our Lady of the Nativity350 m
- 3Montfort Junior School450 m
- 4Holy Innocents' Primary School770 m
- 5North Vista Primary SchoolClose to the 1 km line940 m
- 6Yio Chu Kang Primary SchoolClose to the 1 km line940 m
1 to 2 km · 8
- 7Palm View Primary SchoolClose to the 1 km line1.0 km
- 8Xinmin Primary School1.1 km
- 9Hougang Primary School1.4 km
- 10Xinghua Primary School1.7 km
- 11Seng Kang Primary School1.7 km
- 12North Spring Primary School1.7 km
- 13Anchor Green Primary School1.9 km
- 14Nan Chiau Primary School1.9 km
Distances are straight lines from Blk 423 to each school's grounds, as MOE measures for Primary 1. Check ones near 1 km on OneMap.
Viewing a flat at Blk 423?
We're building an iPhone app for booking HDB viewings yourself. Share the PropertyGuru listing in and it gives you a link to send the seller's agent, so they can pick a slot when you're free.
Early access on TestFlight · iPhone
Before the viewing: What to WhatsApp the agent · The viewing checklist
Around Blk 423
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Block details, resale prices and rentals come from HDB, building outlines from HDB's Existing Building dataset, MRT exits from LTA, schools from MOE and school grounds from URA's Master Plan, all published on data.gov.sg. Walking routes and map tiles are from OneMap by the Singapore Land Authority. Updated 26 Oct 2026.