Block 405 Serangoon Ave 1
405 Serangoon Ave 1, Singapore 550405
Block 405 Serangoon Ave 1 is an HDB block in Serangoon, completed in 1988, with 60 dwelling units. 4-Room flats have recently resold around S$740k (111 sqm), from 74 resales on record. The lease has approximately 63 years remaining.
What are the key facts about Block 405 Serangoon Ave 1?
Block 405 Serangoon Ave 1 is an HDB block in Serangoon, completed in 1988, with 60 dwelling units.
- Town
- Serangoon
- Planning area
- Serangoon
- Completed
- 1988
- Storeys
- 11
- Total units
- 60
- Market segment
- OCR
- Median resale
- S$740k
- Last transacted
- May 2025
- Remaining lease
- ≈ 63 years
What are resale prices at Block 405 Serangoon Ave 1?
4-Room flats have recently resold around S$740k (S$608 psf), from 74 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 49 | S$632,000recent | 111 sqm | S$534 psf |
| 5-Room | 25 | S$585,000recent | 123 sqm | S$442 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 May 2025.
What has recently sold at Block 405 Serangoon Ave 1?
Block 405 Serangoon Ave 1 has 74 recorded resales; the most recent transacted at S$990,000 in May 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| May 2025 | 5-Room | 04 TO 06 | 123 sqm | S$990,000 |
| Oct 2024 | 4-Room | 04 TO 06 | 94 sqm | S$708,000 |
| Sept 2024 | 5-Room | 07 TO 09 | 121 sqm | S$975,000 |
| Jul 2024 | 4-Room | 04 TO 06 | 103 sqm | S$822,888 |
| Jun 2024 | 5-Room | 01 TO 03 | 121 sqm | S$790,000 |
| May 2024 | 4-Room | 04 TO 06 | 94 sqm | S$718,000 |
| Feb 2024 | 4-Room | 10 TO 12 | 111 sqm | S$848,666 |
| Mar 2023 | 4-Room | 01 TO 03 | 111 sqm | S$670,000 |
| Jan 2023 | 5-Room | 01 TO 03 | 123 sqm | S$765,000 |
| Jun 2022 | 4-Room | 10 TO 12 | 113 sqm | S$739,888 |
| May 2021 | 4-Room | 04 TO 06 | 111 sqm | S$623,888 |
| Oct 2020 | 5-Room | 10 TO 12 | 123 sqm | S$715,000 |
What flat types are in Block 405 Serangoon Ave 1?
Block 405 Serangoon Ave 1 has 60 units, mostly 4-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 405 Serangoon Ave 1 from MRT and schools?
The nearest MRT/LRT to Block 405 Serangoon Ave 1 is Serangoon MRT, about 325 m away (~5 min walk). 5 schools are within 1 km, including 1 primary school.
Getting around
- Serangoon MRT325 m · ~5 min
- Woodleigh MRT973 m · ~15 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Zhonghua Secondary SchoolSecondary schoolwithin 1 km384 m
- St. Gabriel's Secondary SchoolSecondary schoolwithin 1 km389 m
- Yangzheng Primary SchoolPrimary schoolwithin 1 km · P1 priority480 m
- Nanyang Junior CollegeJunior collegewithin 1 km758 m
- Maris Stella High SchoolMixed-level schoolwithin 1 km898 m
- St. Gabriel's Primary SchoolPrimary school1.2 km
- Peicai Secondary SchoolSecondary school1.3 km
- Paya Lebar Methodist Girls' School (Primary)Primary 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 405 Serangoon Ave 1?
Buying a flat at Block 405 Serangoon Ave 1 (~S$740k) needs about S$5,898/mo in income and S$2,778/mo in repayments, after S$16,797 stamp duty and a S$185k downpayment.
Illustrative, for a buyer at the recent median resale price (S$740k) — 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$16,797
BSD, tiered
Downpayment (25%)
S$185k
cash + CPF
Monthly instalment
S$2,778/mo
25y @ 3.5%
Income required
S$5,898/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 405 Serangoon Ave 1
What is the resale price at Block 405 Serangoon Ave 1?⌄
4-Room flats at Block 405 Serangoon Ave 1 have recently resold around S$740k (111 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 405 Serangoon Ave 1 by flat type?⌄
4-Room ≈ S$632k; 5-Room ≈ S$585k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 405 Serangoon Ave 1?⌄
Block 405 Serangoon Ave 1 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 405 Serangoon Ave 1?⌄
Block 405 Serangoon Ave 1 has 60 dwelling units across up to 11 storeys, mostly 4 room flats.
What is the nearest MRT to Block 405 Serangoon Ave 1?⌄
The nearest MRT/LRT station to Block 405 Serangoon Ave 1 is Serangoon MRT, about 325 m away (~5 min walk).
Which primary schools are within 1 km of Block 405 Serangoon Ave 1?⌄
Yangzheng Primary School is within 1 km of Block 405 Serangoon Ave 1 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 405 Serangoon Ave 1 a good place to buy an HDB resale flat?⌄
Block 405 Serangoon Ave 1 sits in Serangoon, in the Serangoon 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.
