1. Government Authorities Responsible for Official Valuations

In Tamil Nadu, official property valuations are primarily conducted by:​

• Registration Department: This department determines the Guideline Value (GV) for properties, which serves as the minimum rate for property registration. The GV is periodically updated based on market trends and is accessible via
• Commissionerate of Survey and Settlement: Responsible for land surveys and maintaining accurate land records, this body ensures that property boundaries and measurements are correctly documented.​
  

These government valuations are essential for legal transactions, taxation, and dispute resolution.​

2. Private Professionals Conducting Market Valuations

For purposes such as loans, visas, or private sales, property owners often seek valuations from certified professionals:​

• Chartered Engineers and Accountants: These professionals provide detailed valuation reports considering current market conditions, property features, and comparable sales.​
  
• Licensed Property Valuers: Registered with relevant authorities, they offer assessments that may be required for financial or legal purposes.​
  

Such private valuations are tailored to specific needs and may differ from government-assessed values.​

3. Accessing and Verifying Appraisal Information

To determine who conducted a particular appraisal:

• Review Property Documents: Valuation reports typically mention the name and credentials of the appraiser.​
  
• Consult the TNREGINET Portal: For official valuations, the provides access to guideline values and related information.​
  
• Contact Relevant Authorities: For clarifications, reaching out to the local Sub-Registrar Office or the Commissionerate of Survey and Settlement can provide insights into official valuations