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Wednesday, April 03, 2013

Chennai Building construction Approval Rules..!

By on Wednesday, April 03, 2013

Question: What is the  Building construction Approval Rules in Chennai City? - Suresh Kumar, Chennai - 600 015. (via mail)


If the building  will be two (2) stories or / less (Ground + 1 or Stilt  + 2), then you will need building approval from your Local Municipal Corporation.

If you wish to construct more number of floors, you will require a CMDA (Chennai Metropolitan Development Authority) building approval.

Also Consider these points

CMDA limits are too numerous to enlist and change periodically. Please refer to the CMDA web-site for the latest limits.

A local corporation approval is adequate if the number of floors is two (G + 1 or S + 2) or less and the number of flats in the building is six. that is no more 6 flats.

Set-backs depend on the width of the road on which th e property lies. The minimum front setback is 1.5 meter and increases in steps up to 6 meter based on the road width.

The rear setback required is 1.5 meter. Side setbacks range from 1 meter on one side to 1.5 meter on both sides based on the road width.

Set-backs requirements are less for continuous building areas & plots designated for economically weaker sections (EWS) of society.

 FSI (Floor Space Index) is 1.5 and plot coverage should generally not exceed 70 per cent.

For more details please contact..!

CMDA - Chennai Metropolitan Development Authority

Postal Address :

CMDA - Chennai Metropolitan Development Authority
1, Gandhi Irwin Road, Egmore, Chennai – 600 008.
Phone : 044- 2841 4855  Fax : 044- 2854 8416
Web Site:

If you have any grievances please write to

If you have already written to the above address and still your grievance not been addressed, please write to

For any specific information about Corruption and Malpractices in any of the dealings in this Organization, Public are requested to contact the Chief Vigilance Officer at his official E-mail id

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