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 521's one sale was S$726 psf.
Blk 521 Hougang Ave 6
Postal code 530521. Resale prices since Nov 2024:
This blockBlk 521 Hougang Ave 63 min to Hougang · built 1986 with the 13 blocks in grey · 4–5 room · 59 years left
Nearest stations
Hougang MRT270 m to Exit C 3 min walk
Buangkok MRT 16 min walk
Ranggung LRT 22 min walk
136 homes in this block
4‑room78
5‑room58
- Completed
- 1986
- Storeys
- 12
- Lease
- 1987 to 2086
Under 36? You may get less CPF and a smaller HDB loan.
Blk 521 resale prices
S$945,000
One 5‑room sale at Blk 521, in Dec 2025 · S$726 psf
| Month | Storey | Size | Model | Price | PSF |
|---|---|---|---|---|---|
| Dec 2025 | 10–12 | 121 m² · 1302 sq ft | Improved | S$945,000 | S$726 |
Against the blocks around it
5‑room sales since Nov 2024 at Blk 521, five blocks built with it and one other block within 250 m with leases from 1984 to 1990. In S$ per sq ft, so sizes compare.
02 · Floors
Do higher floors cost more?
The median for each storey band, across the same blocks.
Storeys 7–9 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 521's own sales.
The median went from S$580 psf in the first year to S$564 in the past year.
S$698,000
One 4‑room sale at Blk 521, in Nov 2024 · S$630 psf
| Month | Storey | Size | Model | Price | PSF |
|---|---|---|---|---|---|
| Nov 2024 | 10–12 | 103 m² · 1109 sq ft | Model A | S$698,000 | S$630 |
Against the blocks around it
4‑room sales since Nov 2024 at Blk 521, nine blocks built with it and five other blocks within 250 m with leases from 1984 to 1990. In S$ 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 521's one sale was S$630 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 521's own sales.
The median went from S$598 psf in the first year to S$611 in the past year.
Blk 521 rents
S$2,600, S$2,600, S$3,700 and S$4,100 a month
Four 5‑room rentals at Blk 521 since Nov 2024
Blk 521 17 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 521
Within 1 km · 6
- 1Montfort Junior School110 m
- 2Punggol Primary School570 m
- 3CHIJ Our Lady of the Nativity680 m
- 4Yio Chu Kang Primary School690 m
- 5Holy Innocents' Primary School740 m
- 6Xinmin Primary School790 m
1 to 2 km · 8
- 7Palm View Primary SchoolClose to the 1 km line1.1 km
- 8North Vista Primary School1.1 km
- 9Hougang Primary School1.1 km
- 10Xinghua Primary School1.6 km
- 11Rosyth School1.7 km
- 12Anchor Green Primary School1.9 km
- 13Seng Kang Primary School1.9 km
- 14Nan Chiau Primary School2.0 km
Distances are straight lines from Blk 521 to each school's grounds, as MOE measures for Primary 1. Check ones near 1 km on OneMap.
Viewing a flat at Blk 521?
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 521
Look up another block
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.