Block 421 Ang Mo Kio Ave 10
421 Ang Mo Kio Ave 10, Singapore 560421
Block 421 Ang Mo Kio Ave 10 is an HDB block in Ang Mo Kio, completed in 1978, with 134 dwelling units. 3-Room flats have recently resold around S$430k (74 sqm), from 203 resales on record. The lease has approximately 53 years remaining.
What are the key facts about Block 421 Ang Mo Kio Ave 10?
Block 421 Ang Mo Kio Ave 10 is an HDB block in Ang Mo Kio, completed in 1978, with 134 dwelling units.
- Town
- Ang Mo Kio
- Planning area
- Ang Mo Kio
- Completed
- 1978
- Storeys
- 13
- Total units
- 134
- Market segment
- RCR
- Median resale
- S$430k
- Last transacted
- Feb 2026
- Remaining lease
- ≈ 53 years
What are resale prices at Block 421 Ang Mo Kio Ave 10?
3-Room flats have recently resold around S$430k (S$527 psf), from 203 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 3-Room | 169 | S$420,000recent | 74 sqm | S$527 psf |
| 4-Room | 33 | S$400,000recent | 99 sqm | S$375 psf |
| Executive | 1 | S$843,000 | 176 sqm | S$445 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 Feb 2026.
What has recently sold at Block 421 Ang Mo Kio Ave 10?
Block 421 Ang Mo Kio Ave 10 has 203 recorded resales; the most recent transacted at S$458,000 in Feb 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Feb 2026 | 3-Room | 13 TO 15 | 74 sqm | S$458,000 |
| Jul 2025 | 3-Room | 07 TO 09 | 74 sqm | S$445,000 |
| Jun 2025 | 3-Room | 04 TO 06 | 74 sqm | S$450,000 |
| Nov 2024 | 3-Room | 10 TO 12 | 74 sqm | S$475,000 |
| Oct 2024 | 3-Room | 07 TO 09 | 74 sqm | S$430,000 |
| Jun 2024 | 4-Room | 04 TO 06 | 99 sqm | S$490,000 |
| Nov 2023 | 3-Room | 10 TO 12 | 74 sqm | S$375,000 |
| Feb 2023 | 3-Room | 10 TO 12 | 74 sqm | S$440,000 |
| Feb 2023 | 3-Room | 10 TO 12 | 74 sqm | S$420,000 |
| Nov 2021 | 3-Room | 10 TO 12 | 74 sqm | S$352,000 |
| Aug 2021 | 3-Room | 04 TO 06 | 74 sqm | S$330,000 |
| Aug 2021 | 3-Room | 10 TO 12 | 74 sqm | S$335,000 |
What flat types are in Block 421 Ang Mo Kio Ave 10?
Block 421 Ang Mo Kio Ave 10 has 134 units, mostly 3-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 421 Ang Mo Kio Ave 10 from MRT and schools?
The nearest MRT/LRT to Block 421 Ang Mo Kio Ave 10 is Ang Mo Kio MRT, about 632 m away (~10 min walk). 4 schools are within 1 km, including 3 primary schools.
Getting around
- Ang Mo Kio MRT632 m · ~10 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Deyi Secondary SchoolSecondary schoolwithin 1 km83 m
- Teck Ghee Primary SchoolPrimary schoolwithin 1 km · P1 priority225 m
- Townsville Primary SchoolPrimary schoolwithin 1 km · P1 priority603 m
- Jing Shan Primary SchoolPrimary schoolwithin 1 km · P1 priority767 m
- Anderson Secondary SchoolSecondary school1.0 km
- Ang Mo Kio Secondary SchoolSecondary school1.2 km
- Eunoia Junior CollegeJunior college1.3 km
- Catholic High SchoolMixed-level school1.5 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 421 Ang Mo Kio Ave 10?
Buying a flat at Block 421 Ang Mo Kio Ave 10 (~S$430k) needs about S$3,428/mo in income and S$1,615/mo in repayments, after S$7,500 stamp duty and a S$108k downpayment.
Illustrative, for a buyer at the recent median resale price (S$430k) — 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$7,500
BSD, tiered
Downpayment (25%)
S$108k
cash + CPF
Monthly instalment
S$1,615/mo
25y @ 3.5%
Income required
S$3,428/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 421 Ang Mo Kio Ave 10
What is the resale price at Block 421 Ang Mo Kio Ave 10?⌄
3-Room flats at Block 421 Ang Mo Kio Ave 10 have recently resold around S$430k (74 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 421 Ang Mo Kio Ave 10 by flat type?⌄
3-Room ≈ S$420k; 4-Room ≈ S$400k; Executive ≈ S$843k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 421 Ang Mo Kio Ave 10?⌄
Block 421 Ang Mo Kio Ave 10 has approximately 53 years left on its 99-year lease (completed 1978). This figure is taken from the most recent transacted flat.
How many units are in Block 421 Ang Mo Kio Ave 10?⌄
Block 421 Ang Mo Kio Ave 10 has 134 dwelling units across up to 13 storeys, mostly 3 room flats.
What is the nearest MRT to Block 421 Ang Mo Kio Ave 10?⌄
The nearest MRT/LRT station to Block 421 Ang Mo Kio Ave 10 is Ang Mo Kio MRT, about 632 m away (~10 min walk).
Which primary schools are within 1 km of Block 421 Ang Mo Kio Ave 10?⌄
Teck Ghee Primary School, Townsville Primary School, Jing Shan Primary School are within 1 km of Block 421 Ang Mo Kio Ave 10 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 421 Ang Mo Kio Ave 10 a good place to buy an HDB resale flat?⌄
Block 421 Ang Mo Kio Ave 10 sits in Ang Mo Kio, in the Ang Mo Kio planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈53 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
