Home Buyer Checklist 2026: 10 Essential Legal Documents Before Buying a Flat in India

Purchasing a home is one of the most significant financial milestones in a person's life. To ensure a smooth, risk-free transaction, here is the comprehensive legal document checklist every homebuyer must verify before making token payments: 1. **RERA Registration Number**: Always verify the project registration on your state's official RERA portal. 2. **Title Deed & Chain of Ownership**: Ensure the seller holds clear, marketable title for at least 30 years without encumbrances. 3. **Encumbrance Certificate (EC)**: Proves that the property is free of legal disputes, mortgages, or bank liens. 4. **Occupancy Certificate (OC) / Completion Certificate (CC)**: Issued by the local development authority confirming the building complies with approved safety and construction norms. 5. **Sanctioned Building Plan**: Confirm that the layout and floor plan you are buying conforms strictly to authority sanctions. 6. **No Objection Certificates (NOCs)**: Clearances from Environmental boards, Fire Safety, and Airport Authority.