The Government of Tamil Nadu on October 26, 2026, issued a notification regarding amendments to the Tamil Nadu Combined Development and Building Rules, 2019.
The following has been stated: -
•The Government of Tamil Nadu has amended the Tamil Nadu Combined Development and Building Rules, revising the permissible building height from 18.30 metres to 19.50 metres, subject to specified conditions, including a maximum of stilt + 5 floors/G + 5 floors for certain buildings.
•The amendments provide that sites abutting roads of 12 metres and above in designated residential zones may be deemed to be in commercial use zones, with separate road-width criteria for the Chennai Metropolitan Area and the rest of Tamil Nadu.
•They also revise road-width, Floor Space Index (FSI), and setback requirements for buildings, permit podiums up to 15 metres for high-rise buildings, and introduce provisions for open kitchens and drivers’ dormitories in hotels and lodges.
•Further, accessibility requirements are strengthened through specified washbasin clearances and grab bars in toilets.
The detailed notification is given in the document below.
[Notification No.: G.O. Ms.No.194]