With a budget of around 4 million dollars for a landed house in Singapore, consider:
- **District 19 (Serangoon Garden, Hougang, Sengkang)**
- **District 21 (Upper Bukit Timah, Clementi Park, Ulu Pandan)**
- **District 16 (Bedok, Upper East Coast, Siglap)**
- **District 28 (Seletar, Yio Chu Kang)**
These areas offer value, accessibility, and investment potential.