All applicants (Owners, Builders, and Developers), are hereby informed that, starting from now, they must invite Professionals (Architects and Engineers), for Planning Permission Applications (Building, Layout, and Subdivision) & Reclassification exclusively through the 'Tamil Nadu Single Window Portal (SWP)' accessible via the following URL:
Applicants can view applications that were submitted before September 27, 2023, through the
CMDA Online PPA portal
We kindly request all Professionals (Architects and Engineers) to continue using the
CMDA Online PPA portal
exclusively for submitting proposals to CMDA.
LAYOUT module of ‘Online PPA’ has Gone Live since 19.09.2023.
Henceforth, the Planning Permission Application for Layout approval shall be received only through online.
The Applicants / Developers / Architects are requested to submit applications for Layout approval only online.
From 01.09.2023 onwards, all the payments for Planning Permission Application shall be received only through online. Any payment
made through NEFT/RTGS in the offline mode will not be honoured. All the Applicants / Developers /
Architects / Licensed Surveyors are requested to strictly adhere to the above given instructions. In
case of violating the above instructions the amount paid shall be duly refunded.
To implement an end-to-end Online Planning Permission System, the Local Bodies integration process
requires a Structural Drawing. Henceforth, the Architects/Developers/Structural Engineers are requested
to attach Structural Drawing and Design in .dwg format in the Online PPA Application and also furnish
the detailed drawing of the foundation in the preDCR drawing.
NOC Integration is LIVE on Online Planning Permission Application (Online PPA)
(For 10 Departments)
Checklist / Manual / Guidelines
CHENNAI METROPOLITAN AREA - PROFILE
Chennai, the capital City of Tamil Nadu is the fourth largest Metropolitan City in India.
The expanded Chennai Metropolitan Area (CMA) comprises the Greater Chennai Corporation, Avadi
Corporation, Tambaram Corporation, Kancheepuram Corporation, 12 Municipalities, 13 Town Panchayats,
1 Special Grade Town Panchayat and 22 Panchayat Unions (Comprised of 1321 villages). The present
extent of CMA is 5904 Sq.km. ( The setting of
Chennai is presented in the Figure).
The expanded CMA falls in five Districts of the Tamil Nadu State viz. Chennai District, parts of
Thiruvallur District, Kancheepuram District, Chengalpattu District, and part of Arakkonam Taluk of
CMA comprised of Greater Chennai Corporation, Avadi Corporation, Tambaram Corporation, 5
Municipalities & 3 Town Panchayats and 10 Panchayat Unions (comprising of 179 villages) with a total
extent of 1189 sq.km. under Chennai District and parts of Thiruvallur, Kancheepuram. In October
2022, the jurisdiction of CMA was expanded by inclusion of contiguous areas in 1225 villages.
The list of Local Bodies present in the
erstwhile CMA and the expanded CMA is given here.