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Documents Required for Building Approval

Most approval delays start with incomplete papers. Here are the documents authorities commonly ask for, grouped so you can check what you already have.

Ownership & Land Records

These must be consistent with each other — mismatched names, extents or survey numbers are among the most common reasons applications get returned.

Plans & Drawings

Applicant Papers

NOCs & Clearances (Where Applicable)

Certain locations and building categories need clearances from other departments before or alongside approval — for example water and sewer (CMWSSB), electricity (TNEB), fire service for taller or special buildings, and other authority-specific NOCs. Which ones apply depends entirely on your project; discovering a missing NOC late is a classic cause of delay, so we identify them at the feasibility stage.

The Honest Answer: It Depends on Your Project

The exact list varies with the authority (CMDA, GCC or DTCP), the building category and the site itself. What we do is simple: after the feasibility check, you get a checklist specific to your project, we tell you which papers you already have in order, and we help you obtain the rest.

Approval requirements, categories and procedures depend on your specific property and the rules in force with the applicable authority. Treat this guide as orientation, not a legal opinion — we confirm the exact position for your project during the feasibility check.

Related Guides

The Approval Process

Where each document fits in the six steps.

Read the guide →

Building Approval in Chennai

When approval is needed and which authority applies.

Read the guide →

Approval FAQs

Straight answers to the questions owners ask us most.

Read the guide →

Not Sure What Your Property Needs?

Tell us about your land or building. We'll tell you which approvals apply and what to do next.

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