G.O.(Ms).No. 167, Online Single Window Portal, 2025
The Tamil Nadu Housing and Urban Development Department issued Government Order G.O. (Ms.) No. 167 dated 28 October 2025, notifying the Integrated Single Window Portal for development permission, change of land use and completion certificate applications throughout Tamil Nadu. The order makes online submission mandatory and states that competent authorities must no longer accept written offline applications for these purposes.
What the order does
The Tamil Nadu Housing and Urban Development Department, through Government Order G.O. (Ms.) No. 167 dated 28 October 2025, notifies https://onlineppa.tn.gov.in/SWP-web/login as the Integrated Single Window Portal under the Tamil Nadu Town and Country Planning Act, 1971. The notification was directed to be published in the Tamil Nadu Government Gazette Extraordinary dated 29 October 2025.
The portal covers applications anywhere in Tamil Nadu for:
- Permission to carry out development on land.
- Change of land use.
- Completion certificates.
Who must use the portal
Government Order G.O. (Ms.) No. 167 requires all applicants seeking the listed permissions or certificates to submit their applications only through the Integrated Single Window Portal. This affects property owners, developers and professionals applying in areas handled by development or planning authorities and local bodies.
Written offline applications will not be accepted by:
- Development Authorities.
- The Directorate of Town and Country Planning.
- Local Planning Authorities.
- Urban Local Bodies.
- Rural Local Bodies.
- Any other competent authority handling these applications.
Portal services and integrations
The Integrated Single Window Portal is connected with local bodies across Tamil Nadu and relevant departments that issue no objection certificates. These include the Chennai Metro Rail Limited, Tamil Nadu Housing Board, Public Works Department, Water Resources Department, Department of Fire and Rescue Services, State Highways Department, Tamil Nadu Forest Department, District Collectorates, Agriculture Department and other bodies listed in the order.
Key portal features include:
- Automated scrutiny of building plans.
- Online payment of fees and other charges.
- Live application tracking with automated SMS and email notifications.
- Digitally signed approved plans and orders.
- Electronic intimation of construction commencement and building completion.
- Forwarding a copy of granted planning permission to the Tamil Nadu Real Estate Regulatory Authority.
Self-certification modules
The Integrated Single Window Portal includes self-certification for residential buildings on plots up to 2,500 square feet, with floor area up to 3,500 square feet, up to two dwelling units, and either Ground plus 1 floor or Stilt plus 2 floors. Overall height must not exceed 10 metres.
A self-certification module is also available for White and Green category industrial buildings on plots up to 7,500 square feet, with Floor Space Index area up to 5,000 square feet and maximum height up to 10 metres, including the mezzanine floor.
This summary is generated from the source document to help you find what is relevant. The PDF above is authoritative. For advice on your own property, use LandLens One or speak to a qualified professional.
Common questions
Can I submit a paper application for planning permission?
No. Government Order G.O. (Ms.) No. 167 requires applications for development permission to be submitted only through the Integrated Single Window Portal, and written offline applications will not be accepted.
Does the portal cover change of land use applications?
Yes. The notified portal covers change of land use applications in any area of Tamil Nadu.
Can I obtain a completion certificate through the portal?
Yes. Completion certificate applications must be submitted through the Integrated Single Window Portal, and digitally signed orders can be issued through it.
Is self-certification available for a small residential building?
Yes, if the stated limits are met. The module covers plots up to 2,500 square feet, floor area up to 3,500 square feet, up to two dwelling units, the permitted floor configurations, and an overall height not exceeding 10 metres.
