CMDA Land Use Zone Finder - Second Master Plan

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CMDA Land Use Zone Finder - Chennai Second Master Plan

Official land use verification tool powered by Chennai Metropolitan Development Authority's Second Master Plan 2026 data. Instantly check zone classification across Chennai Metropolitan Area (1189 sq.km). Get detailed development regulations, setback requirements, ground coverage limits, and TNCDBR 2019 compliance information.

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Need to see the full CMDA Master Plan zoning maps? Access comprehensive zoning layers, view official master plan documents, and understand area-wide development patterns across Chennai Metropolitan Area. Perfect for detailed planning and broader area analysis.

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Land Use Categories
Primary Residential
Mixed Residential
Commercial
Institutional
Industrial
Open Space
Road/Infrastructure

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Land Use Zone Details
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Survey No. -
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Complete Guide to CMDA Land Use Zones

What is CMDA?

Chennai Metropolitan Development Authority (CMDA) is a statutory body established in 1974 (initially as an ad hoc body in 1972) responsible for planning and development of the Chennai Metropolitan Area. CMDA jurisdiction covers 1189 sq.km encompassing Chennai city and its suburbs.

CMDA's Key Responsibilities
  • Preparation and implementation of Master Plans
  • Regulating land use and building activities
  • Infrastructure development and urban planning
  • Enforcing development control rules
  • Environmental protection in urban areas
Chennai Second Master Plan 2026

The Second Master Plan for Chennai Metropolitan Area (2026) is the comprehensive development plan that guides urban growth and land use. It replaced the First Master Plan (2011) and provides a framework for sustainable development until 2026.

Key Features:
  • Coverage: 1189 sq.km (Chennai + suburbs)
  • Population projection: 130 lakhs by 2026
  • 7 major land use categories
  • 233,087 surveyed land parcels
  • Integration with TNCDBR 2019
Planning Objectives:
  • Sustainable urban development
  • Infrastructure improvement
  • Environmental conservation
  • Affordable housing provision
  • Economic growth facilitation
Understanding CMDA Land Use Zones
Quick Zone Reference
Primary Residential

Housing developments, apartments, and residential complexes

Mixed Residential

Residential with ground floor commercial activities

Commercial

Business districts, offices, shopping centers

Institutional

Schools, hospitals, government offices

Industrial

Manufacturing units, warehouses, logistics

Open Space

Parks, playgrounds, recreational areas

Important Note

Development regulations vary based on plot size, road width, and specific location within Chennai Metropolitan Area. Always consult the official TNCDBR 2019 documentation and CMDA office for accurate requirements specific to your property.

Key Development Guidelines
Setback Requirements

Front setback varies from 1.5m to 6m based on road width. High-rise buildings (above 18.3m) have additional requirements.

Rainwater Harvesting

Mandatory for all new buildings as per TNCDBR 2019 regulations.

Parking Requirements

Varies based on building use and floor area. Consult TNCDBR 2019 for specific requirements.

Fire Safety

Enhanced requirements for commercial and high-rise buildings as per National Building Code.

Ground Coverage Calculation

Ground Coverage Formula:

Ground Coverage (%) = (Built-up Area at Ground Level / Total Plot Area) × 100

Maximum Ground Coverage by Zone:

  • Primary Residential: 65% (plots up to 500 sq.m), 60% (larger plots)
  • Mixed Residential: 65% (varies with mixed-use ratio)
  • Commercial: 70-75%
  • Institutional: 50-60%
  • Industrial: 60-75% (based on industry type)
  • Open Space: 5-10% (support structures only)
Building Height Regulations

Building height limits are determined by road width and zone classification:

Normal Buildings:
  • Road < 9m: Maximum 7m (2 floors)
  • Road 9-12m: Maximum 12m (3-4 floors)
  • Road 12-18m: Maximum 15m (4-5 floors)
  • Road > 18m: Up to 18.3m (6 floors)
High-Rise Buildings:
  • Definition: Buildings above 18.3m height
  • Special fire safety requirements
  • Enhanced setbacks (minimum 6.7m)
  • Requires special approvals
Process for Building Plan Approval
  1. Land Use Verification: Check zone classification using this tool
  2. Plan Preparation: Engage licensed architect/engineer
  3. Document Compilation: Gather ownership documents, site plan, building plans
  4. Online Application: Submit through CMDA online portal
  5. Scrutiny: Technical verification by CMDA officials
  6. Site Inspection: Physical verification if required
  7. Approval/Rejection: Decision communicated with reasons
  8. Commencement Certificate: Obtained before starting construction
  9. Completion Certificate: After construction as per approved plan
Frequently Asked Questions

CMDA (Chennai Metropolitan Development Authority) covers Chennai city and immediate suburbs (1189 sq.km). DTCP (Directorate of Town and Country Planning) covers other urban and rural areas in Tamil Nadu outside CMDA jurisdiction. Both follow TNCDBR 2019 but may have area-specific regulations.

In Primary Residential zones, only small shops (below 20 sq.m) are conditionally permitted. Mixed Residential zones allow ground floor commercial use. For larger commercial projects, the land must be in Commercial or Mixed-Use zones.

Minimum plot size for independent house: 60 sq.m (645 sq.ft). For apartments: 240 sq.m (2583 sq.ft). However, these may vary based on specific area regulations and road width.

Yes, rainwater harvesting is mandatory for all new buildings in Tamil Nadu as per TNCDBR 2019. Existing buildings must also retrofit RWH systems. Building plan approval requires RWH provision in the design.
Important Resources
Official Websites:
Key Documents:
  • Tamil Nadu Combined Development and Building Rules 2019
  • Second Master Plan for CMA 2026
  • Development Control Rules Volume
  • Environmental Guidelines for Construction
Disclaimer

This land use zone finder tool uses official CMDA Second Master Plan data with 233,087 surveyed parcels. While we ensure accuracy, official verification from Chennai Metropolitan Development Authority is recommended for legal purposes. Development regulations are based on TNCDBR 2019 and may be subject to amendments. Always consult with CMDA and obtain proper approvals before initiating any construction or development activities.