Getting building plan approvals in Tamil Nadu just got faster and easier! Under G.O.(Ms).No.180 issued by the Housing and Urban Development Department on October 8, 2026, the Tamil Nadu government has significantly increased the delegation of powers to Urban Local Bodies and Rural Local Bodies.
This decision aims to decentralize decision-making, speed up application processing, and allow property owners, home builders, and small business owners to obtain building plan permissions directly at their local municipal or panchayat offices without long waiting periods.
What Changed? Comparison of Old vs. New Limits
Before this order, local authorities could only approve residential buildings up to 10,000 sq. ft. (with up to 8 dwelling units) and commercial shops up to 2,000 sq. ft.. Anything larger had to be sent to higher planning authorities for clearance.
The new government order raises these size limits substantially:
| Local Body Type | Building Type | Old Limit | New Approval Limit (FSI Area) | Max Dwelling Units | Max Height / Floors |
| Corporations & Municipalities | Residential Commercial | 10,000 sq. ft. 2,000 sq. ft. | 16,140 sq. ft. (1,500 sq. m) 5,380 sq. ft. (500 sq. m) | Up to 16 units Not specified | Stilt + 3 Floors / Ground + 2 Floors (Max 14m) |
| Town Panchayats | Residential Commercial | 10,000 sq. ft. 2,000 sq. ft. | 12,912 sq. ft. (1,200 sq. m) 5,380 sq. ft. (500 sq. m) | Up to 12 units Not specified | Stilt + 3 Floors / Ground + 2 Floors (Max 14m) |
| Rural Development & Panchayat Raj | Residential Commercial | 10,000 sq. ft. 2,000 sq. ft. | 12,912 sq. ft. (1,200 sq. m) 5,380 sq. ft. (500 sq. m) | Up to 12 units Not specified | Stilt + 3 Floors / Ground + 2 Floors (Max 14m) |
Key Takeaways for Property Owners and Developers
- Quicker Residential Approvals: If you are building an apartment complex or residential plot development within 16,140 sq. ft. in a municipality, or up to 12,912 sq. ft. in a panchayat, your local authority can now process and approve your plan directly.
- Huge Boost for Small Traders: The commercial approval threshold has more than doubled from 2,000 sq. ft. to 5,380 sq. ft. (500 sq. m) across all local bodies. Small businesses, retail shops, and local commercial complexes can now get sanctioned locally.
- Height Limits: Every building a local body approves under this order must stay within 14 meters and Stilt + 3 Floors or Ground + 2 Floors. For commercial buildings this is a step up: the 2020 delegation allowed only Stilt + 2 Floors or Ground + 1 Floor.
Building Plan Approval Support from Verified.RealEstate
Planning a residential or commercial building? While local approval limits have been expanded, ensuring full regulatory compliance and verifying land documentation is critical before starting construction.
Verified.RealEstate’s Building Plan Approval service helps owners and builders review documents, prepare applications and coordinate submission and follow-ups with the relevant authority. Architectural design support is also available at an additional cost. Approval remains subject to the applicable rules and authority’s assessment.