GST Calculator in Chennai — Tamil Nadu Rates 2026
Last updated:
Quick Answer
GST applies to under-construction properties in Chennai at 5% (or 1% for affordable housing under ₹45L). Ready-to-move flats with Occupancy Certificate are exempt from GST. For commercial property purchases, GST is 12%. Stamp duty (7%) and registration (4%) are separate government charges. Use the calculator below for a specific transaction.
Original Amount
₹10,000
GST Amount (18%)
₹1,800
Total with GST
₹11,800
Chennai — Tamil NaduRates & Data
| Parameter | Value |
|---|---|
| State | Tamil Nadu |
| GST on Flat (under construction) | 5% |
| GST on Affordable Housing | 1% |
| GST on Ready-to-Move | Nil |
| GST on Commercial Property | 12% |
Frequently Asked Questions — Chennai
How does GST Calculator work for Chennai?
The GST Calculator for Chennai uses Tamil Nadu state-specific data where applicable — including stamp duty rates (7% male / 7% female) and registration charges (4%). Enter your specific values in the calculator above for an accurate result.
Are rates different in Chennai compared to other cities in Tamil Nadu?
Stamp duty and registration charges are set at the state level in India, so Chennai follows the same Tamil Nadu rates as other cities in the state. However, circle rates (minimum property valuations), municipal taxes, and local service costs differ by city. The calculator uses standardised Tamil Nadu rates for Chennai.