
Real Estate Terms in Chennai: 15 Powerful Must-Know Terms for Smart Buyers

Introduction to Real Estate Terms in Chennai
When investing in property, understanding real estate terms in Chennai is critical. These legal and technical terms help you make safe, informed decisions. From approvals to land documents, knowing these terms protects you from fraud and helps you secure your dream home without confusion.
CMDA – Chennai Metropolitan Development Authority
CMDA is the primary urban planning authority in Chennai. It approves building plans, layouts, and infrastructure within city limits. A CMDA approved plot ensures that the development follows all urban regulations.
DTCP – Directorate of Town and Country Planning
DTCP handles planning permissions outside Chennai. If you’re looking at properties in areas like Chengalpattu, Kanchipuram, or Maraimalainagar, ensure the layout is DTCP approved.
RERA – Real Estate Regulatory Authority
RERA registration is mandatory for real estate projects in India. It brings accountability and protects homebuyers from delayed or fake projects. Always check the RERA number before booking a flat or villa.
Patta – Land Ownership Document
A Patta is an official proof of land ownership in Tamil Nadu. It includes the owner’s name, survey number, and land type. This document is required for mutation and property transfer.
Chitta – Land Revenue Record
Chitta provides classification of land – like agricultural or residential. It also includes ownership details. It is often used along with Patta to verify land legality.
FMB Sketch – Field Measurement Book
An FMB Sketch is a detailed land map from the survey department. It shows exact measurements, boundaries, and adjacent plots. It is essential for legal verification before registration.
EC – Encumbrance Certificate
An Encumbrance Certificate (EC) confirms that the property is free from legal dues or mortgages. It is a must-have document during property purchase and bank loan processing.
Guideline Value – Government Land Rate
The Guideline Value is the minimum price at which land can be registered. Set by the Tamil Nadu government, it may differ from the market value. Property registration fees are based on this rate.
UDS – Undivided Share of Land
UDS refers to the share of land you own in an apartment project. For example, if a building is built on 2,400 sq. ft. with 4 units, each flat may have 600 sq. ft. UDS. It matters in resale or redevelopment.
OSR – Open Space Reservation
When a layout is approved, builders must reserve some land for public use. This is called Open Space Reservation (OSR). It’s used for parks, roads, or community facilities.
Approved Layout
An Approved Layout is one that has been sanctioned by either CMDA or DTCP. These layouts follow proper road width, drainage plans, and OSR norms. Always buy in approved layouts to avoid demolition risks.
BHK – Bedroom, Hall, Kitchen
BHK stands for Bedroom, Hall, and Kitchen. A 2BHK means two bedrooms, one hall, and one kitchen. It helps you compare flat sizes easily.
Sale Deed
The Sale Deed is the final legal document that transfers property ownership from seller to buyer. It must be registered at the sub-registrar office with proper stamp duty.
Carpet Area
Carpet Area is the usable floor area inside the walls of a flat. It does not include balconies, walls, or common areas. Builders often charge based on this area.
Built-up Area
Built-up Area includes the carpet area plus wall thickness and balcony. It is always more than the carpet area and is used in pricing per sq. ft.
Why Real Estate Terms in Chennai Matter
Understanding these terms ensures legal clarity. It protects your investment and helps you choose only verified and approved properties. With terms like CMDA, DTCP, RERA, and UDS being used in every real estate deal, awareness is your power.
Conclusion
Whether you’re buying a plot or a flat, knowing these real estate terms in Chennai helps you make smart decisions. Always verify legal documents and approvals before investing. Don’t hesitate to consult with experts or real estate professionals if needed.
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