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. Across 82 resales on record, 4-Room flats have recently resold around S$668k (S$551 psf, 105 sqm). 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
- Flat model
- Model A · Improved
- 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 |
Live now: 0 flats listed for sale at this block and 6 for rent (median S$4,200/mo) — search all listings.
“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 rent and yield does Block 403 Serangoon Ave 1 get?
Flats at Block 403 Serangoon Ave 1 have recently sublet for a median of S$3,600/mo, an indicative gross rental yield of about 6.5% (from 24 recent rental contracts).
Median rent
S$3,600/mo
24 recent contracts
Gross rental yield
6.5%
indicative, gross
Annual rent
S$43,200
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| 4-Room | 24 | S$3,600/mo |
| 5-Room | 4 | S$3,500/mo |
HDB subletting requires the flat owner to have met the 5-year Minimum Occupation Period (MOP), so the rental sample per block is small — treat the yield as indicative. Latest contract Mar 2026. Source: HDB rental (subletting) data.
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 of the Model A / Improved model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 403 Serangoon Ave 1?
Block 403 Serangoon Ave 1 is an HDB block in Serangoon.
Block 403 Serangoon Ave 1 is an HDB block located along Serangoon Ave 1. The block is recorded as completed around 1988, with up to 11 storeys. It has an estimated 80 residential units based on the HDB property information dataset. Flat types in the block include 4-room and 5-room units.
The address is Block 403 Serangoon Ave 1, Singapore 550403. It is part of District 19, Serangoon Garden / Hougang / Punggol, the Serangoon planning area. The block falls within the North-East Region and the OCR market segment.
The nearest rail connection is Serangoon MRT, approximately 462m away, around 7 minutes on foot. Nearby amenities include NEX for shopping, COLD STORAGE SINGAPORE (1983) PTE LTD for groceries, Woodleigh Village Hawker Centre for food options, Bidadari Park Hillock for greenery and recreation, and Braddell Heights Community Club for community facilities.
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.
Wondering whether it will hold its value? See do HDB flats actually make money? →
Eyeing Block 403 Serangoon Ave 1? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
PropKakiRecent sales at Block 403 Serangoon Ave 1 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 403 Serangoon Ave 1
How much does a 4-Room flat at Block 403 Serangoon Ave 1 cost?⌄
4-Room flats at Block 403 Serangoon Ave 1 have recently resold for a median of about S$668k (S$551 psf), from 82 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
What are resale prices at Block 403 Serangoon Ave 1 by flat type?⌄
4-Room ≈ S$608k; 5-Room ≈ S$378k (median resale, HDB caveats).
Is Block 403 Serangoon Ave 1 worth buying given its remaining lease?⌄
Block 403 Serangoon Ave 1 has about 62 years left on its 99-year lease (completed 1988). That's a long runway, so CPF usage and bank financing are generally unrestricted. The figure is taken from the most recent transacted flat.
What is the rental yield at Block 403 Serangoon Ave 1?⌄
Gross rental yield at Block 403 Serangoon Ave 1 is about 6.5%, based on a median subletting rent of about S$3,600/mo against a resale price of about S$668k. HDB subletting requires the owner to have met the 5-year MOP, so the per-block sample is small — treat this as indicative.
How much do I need to earn to buy a flat at Block 403 Serangoon Ave 1?⌄
For a flat at about S$668k on a 25-year HDB-style loan, you'd need roughly S$5,325/mo in household income, with repayments around S$2,508/mo after a S$167k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
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.