Block 520 Serangoon Nth Ave 4
520 Serangoon Nth Ave 4, Singapore 550520
Block 520 Serangoon Nth Ave 4 is an HDB block in Serangoon, completed in 1991, with 72 dwelling units. Executive flats have recently resold around S$910k (147 sqm), from 100 resales on record. The lease has approximately 66 years remaining.
What are the key facts about Block 520 Serangoon Nth Ave 4?
Block 520 Serangoon Nth Ave 4 is an HDB block in Serangoon, completed in 1991, with 72 dwelling units.
- Town
- Serangoon
- Planning area
- Serangoon
- Completed
- 1991
- Storeys
- 9
- Total units
- 72
- Market segment
- OCR
- Median resale
- S$910k
- Last transacted
- Dec 2025
- Remaining lease
- ≈ 66 years
What are resale prices at Block 520 Serangoon Nth Ave 4?
Executive flats have recently resold around S$910k (S$566 psf), from 100 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| Executive | 100 | S$910,000recent | 147 sqm | S$566 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 Dec 2025.
What has recently sold at Block 520 Serangoon Nth Ave 4?
Block 520 Serangoon Nth Ave 4 has 100 recorded resales; the most recent transacted at S$1,080,000 in Dec 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Dec 2025 | Executive | 07 TO 09 | 147 sqm | S$1,080,000 |
| May 2025 | Executive | 04 TO 06 | 147 sqm | S$1,058,000 |
| Feb 2025 | Executive | 07 TO 09 | 149 sqm | S$1,060,000 |
| Sept 2024 | Executive | 01 TO 03 | 147 sqm | S$880,000 |
| Jun 2024 | Executive | 04 TO 06 | 147 sqm | S$938,000 |
| Apr 2024 | Executive | 04 TO 06 | 147 sqm | S$948,000 |
| Aug 2023 | Executive | 01 TO 03 | 149 sqm | S$840,000 |
| Jul 2023 | Executive | 04 TO 06 | 156 sqm | S$950,000 |
| Jun 2022 | Executive | 04 TO 06 | 147 sqm | S$910,000 |
| Feb 2021 | Executive | 04 TO 06 | 154 sqm | S$742,000 |
| Aug 2020 | Executive | 04 TO 06 | 149 sqm | S$710,000 |
| Aug 2019 | Executive | 04 TO 06 | 147 sqm | S$660,000 |
What flat types are in Block 520 Serangoon Nth Ave 4?
Block 520 Serangoon Nth Ave 4 has 72 units, mostly Executive flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 520 Serangoon Nth Ave 4 from MRT and schools?
4 schools are within 1 km, including 2 primary schools.
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Rosyth SchoolPrimary schoolwithin 1 km · P1 priority171 m
- Bowen Secondary SchoolSecondary schoolwithin 1 km476 m
- Serangoon Garden Secondary SchoolSecondary schoolwithin 1 km580 m
- Hougang Primary SchoolPrimary schoolwithin 1 km · P1 priority986 m
- Xinmin Secondary SchoolSecondary school1.0 km
- Xinmin Primary SchoolPrimary school1.0 km
- Hougang Secondary SchoolSecondary school1.2 km
- Zhonghua Primary SchoolPrimary school1.4 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 520 Serangoon Nth Ave 4?
Buying a flat at Block 520 Serangoon Nth Ave 4 (~S$910k) needs about S$7,254/mo in income and S$3,417/mo in repayments, after S$21,900 stamp duty and a S$228k downpayment.
Illustrative, for a buyer at the recent median resale price (S$910k) — 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$21,900
BSD, tiered
Downpayment (25%)
S$228k
cash + CPF
Monthly instalment
S$3,417/mo
25y @ 3.5%
Income required
S$7,254/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 520 Serangoon Nth Ave 4
What is the resale price at Block 520 Serangoon Nth Ave 4?⌄
Executive flats at Block 520 Serangoon Nth Ave 4 have recently resold around S$910k (147 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How many years are left on the lease at Block 520 Serangoon Nth Ave 4?⌄
Block 520 Serangoon Nth Ave 4 has approximately 66 years left on its 99-year lease (completed 1991). This figure is taken from the most recent transacted flat.
How many units are in Block 520 Serangoon Nth Ave 4?⌄
Block 520 Serangoon Nth Ave 4 has 72 dwelling units across up to 9 storeys, mostly executive flats.
Which primary schools are within 1 km of Block 520 Serangoon Nth Ave 4?⌄
Rosyth School, Hougang Primary School are within 1 km of Block 520 Serangoon Nth Ave 4 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 520 Serangoon Nth Ave 4 a good place to buy an HDB resale flat?⌄
Block 520 Serangoon Nth Ave 4 sits in Serangoon, in the Serangoon planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈66 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
