Block 403 Serangoon Ave 1
403 Serangoon Ave 1, Singapore 550403
Block 403 Serangoon Ave 1 is an HDB block in Serangoon, completed in 1988, with 80 dwelling units. 4-Room flats have recently resold around S$668k (105 sqm), from 82 resales on record. The lease has approximately 62 years remaining.
What are the key facts about Block 403 Serangoon Ave 1?
Block 403 Serangoon Ave 1 is an HDB block in Serangoon, completed in 1988, with 80 dwelling units.
- Town
- Serangoon
- Planning area
- Serangoon
- Completed
- 1988
- Storeys
- 11
- Total units
- 80
- Market segment
- OCR
- Median resale
- S$668k
- Last transacted
- May 2026
- Remaining lease
- ≈ 62 years
What are resale prices at Block 403 Serangoon Ave 1?
4-Room flats have recently resold around S$668k (S$551 psf), from 82 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 58 | S$608,000recent | 105 sqm | S$538 psf |
| 5-Room | 24 | S$378,000recent | 121 sqm | S$290 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 2026.
What has recently sold at Block 403 Serangoon Ave 1?
Block 403 Serangoon Ave 1 has 82 recorded resales; the most recent transacted at S$790,000 in May 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| May 2026 | 4-Room | 04 TO 06 | 105 sqm | S$790,000 |
| May 2026 | 5-Room | 04 TO 06 | 121 sqm | S$980,000 |
| Nov 2023 | 4-Room | 10 TO 12 | 113 sqm | S$793,000 |
| Jul 2022 | 4-Room | 01 TO 03 | 105 sqm | S$615,000 |
| Dec 2021 | 4-Room | 10 TO 12 | 103 sqm | S$620,888 |
| Nov 2021 | 5-Room | 07 TO 09 | 121 sqm | S$750,000 |
| Sept 2020 | 5-Room | 04 TO 06 | 121 sqm | S$670,000 |
| Aug 2020 | 4-Room | 04 TO 06 | 103 sqm | S$578,000 |
| Apr 2019 | 4-Room | 07 TO 09 | 113 sqm | S$670,000 |
| Apr 2018 | 4-Room | 04 TO 06 | 105 sqm | S$668,000 |
| Jul 2016 | 4-Room | 01 TO 03 | 105 sqm | S$540,000 |
| Mar 2015 | 4-Room | 07 TO 09 | 113 sqm | S$530,000 |
What flat types are in Block 403 Serangoon Ave 1?
Block 403 Serangoon Ave 1 has 80 units, mostly 4-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 403 Serangoon Ave 1 from MRT and schools?
The nearest MRT/LRT to Block 403 Serangoon Ave 1 is Serangoon MRT, about 463 m away (~7 min walk). 5 schools are within 1 km, including 1 primary school.
Getting around
- Serangoon MRT463 m · ~7 min
- Woodleigh MRT832 m · ~13 min
- Bartley MRT962 m · ~15 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- St. Gabriel's Secondary SchoolSecondary schoolwithin 1 km400 m
- Zhonghua Secondary SchoolSecondary schoolwithin 1 km402 m
- Yangzheng Primary SchoolPrimary schoolwithin 1 km · P1 priority496 m
- Nanyang Junior CollegeJunior collegewithin 1 km789 m
- Maris Stella High SchoolMixed-level schoolwithin 1 km822 m
- St. Gabriel's Primary SchoolPrimary school1.2 km
- Cedar Primary SchoolPrimary school1.3 km
- Bartley Secondary SchoolSecondary 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 403 Serangoon Ave 1?
Buying a flat at Block 403 Serangoon Ave 1 (~S$668k) needs about S$5,325/mo in income and S$2,508/mo in repayments, after S$14,640 stamp duty and a S$167k downpayment.
Illustrative, for a buyer at the recent median resale price (S$668k) — 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$14,640
BSD, tiered
Downpayment (25%)
S$167k
cash + CPF
Monthly instalment
S$2,508/mo
25y @ 3.5%
Income required
S$5,325/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 403 Serangoon Ave 1
What is the resale price at Block 403 Serangoon Ave 1?⌄
4-Room flats at Block 403 Serangoon Ave 1 have recently resold around S$668k (105 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 403 Serangoon Ave 1 by flat type?⌄
4-Room ≈ S$608k; 5-Room ≈ S$378k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 403 Serangoon Ave 1?⌄
Block 403 Serangoon Ave 1 has approximately 62 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 403 Serangoon Ave 1?⌄
Block 403 Serangoon Ave 1 has 80 dwelling units across up to 11 storeys, mostly 4 room flats.
What is the nearest MRT to Block 403 Serangoon Ave 1?⌄
The nearest MRT/LRT station to Block 403 Serangoon Ave 1 is Serangoon MRT, about 463 m away (~7 min walk).
Which primary schools are within 1 km of Block 403 Serangoon Ave 1?⌄
Yangzheng Primary School is within 1 km of Block 403 Serangoon Ave 1 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 403 Serangoon Ave 1 a good place to buy an HDB resale flat?⌄
Block 403 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 (≈62 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
