G.O. Ms. No. 171, Amendments to the Tamil Nadu Combined Development and Building Rules, 2019
The Government of Tamil Nadu, Housing and Urban Development Department, issued G.O. Ms. No. 171, Housing and Urban Development [UD4(1)], dated 30 October 2025, amending the Tamil Nadu Combined Development and Building Rules, 2019. The amendments require electric vehicle charging infrastructure in specified residential, commercial, industrial and institutional buildings, and add electric vehicle charging stations or facilities to the listed uses in several land use zones.
What the amendments govern
G.O. Ms. No. 171, Housing and Urban Development [UD4(1)], dated 30 October 2025, was issued by the Government of Tamil Nadu, Housing and Urban Development Department. The Governor of Tamil Nadu made the amendments using powers under the Tamil Nadu Town and Country Planning Act, 1971, the Tamil Nadu Panchayats Act, 1994, and the Tamil Nadu Urban Local Bodies Act, 1998.
The amendments modify Annexure IV and Annexure XVIII of the Tamil Nadu Combined Development and Building Rules, 2019. They deal with electric vehicle charging points in building parking areas and the listing of charging stations or facilities in different use zones.
Electric vehicle charging requirements
The parking requirements added to Annexure IV apply as follows:
- Residential buildings must provide an electric vehicle charging point for every required car parking space and every required two-wheeler parking space.
- The residential requirement excludes buildings up to 14 metres in height that do not exceed eight dwelling units or 750 square metres of built-up area.
- Residential buildings with more than 50 dwelling units must provide fast charging points in the car and two-wheeler parking spaces earmarked for visitors.
- Commercial, industrial and institutional buildings exceeding 300 square metres of Floor Space Index area must earmark at least 10 percent of their car or two-wheeler parking spaces for electric vehicles.
- The electric vehicle spaces in those commercial, industrial and institutional buildings must have fast charging points.
Changes to land use zone lists
The amendments to Annexure XVIII add an electric vehicle charging station or charging facility as a listed use in the following zones:
- Residential use zone.
- Special and Hazardous Industrial use zone.
- Institutional use zone.
- Open Space and Recreational use zone, only in the Chennai Metropolitan Area.
- Non-Urban use zone, only in the Chennai Metropolitan Area.
- Agricultural use zone.
For the Institutional use zone and the Open Space and Recreational use zone, the existing sub-items are replaced to include electric vehicle charging stations or facilities, followed by installations necessary for the listed uses.
Who may be affected
G.O. Ms. No. 171 may affect owners, developers, designers and approval professionals dealing with residential projects or commercial, industrial and institutional buildings that cross the stated thresholds. It may also affect proposals for electric vehicle charging stations or facilities in the land use zones newly listed in Annexure XVIII.
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Common questions
Does every residential building need a charging point for each parking space?
No. Buildings up to 14 metres in height that do not exceed eight dwelling units or 750 square metres of built-up area are excluded from the residential requirement.
When are visitor parking spaces required to have fast charging points?
Residential buildings with more than 50 dwelling units must provide fast charging points in car and two-wheeler parking spaces earmarked for visitors.
What is required for a commercial building exceeding 300 square metres of Floor Space Index area?
At least 10 percent of its car or two-wheeler parking spaces must be earmarked for electric vehicles and provided with fast charging points.
Can an electric vehicle charging station be listed in an agricultural use zone?
Yes. The amendment adds an electric vehicle charging station or charging facility to the listed uses under the Agricultural use zone.
