Tax
What is Guideline Value?
Tamil Nadu's circle rate — published street by street, which makes it unusually precise, and unusually easy to check.
The short answer
Guideline value is Tamil Nadu's minimum property valuation — the state's version of the circle rate.
It is published street by street and survey number by survey number, which makes it more precise than most states' equivalents — and very easy to look up.
Stamp duty and registration are charged on the higher of the guideline value or your actual price.
What guideline value is
The Tamil Nadu Registration Department publishes a minimum value for property — by street in urban areas, and by survey number in rural ones.
You cannot register below it without tax consequences, and stamp duty is charged on the higher of it or what you actually paid.
Why it matters more in Tamil Nadu than elsewhere
Stamp duty: 7%.
Registration: 4%.
Eleven per cent, combined. Against roughly 6% in Karnataka.
On an ₹85 lakh property that is ₹9.35 lakh in Tamil Nadu, against ₹5.10 lakh in Bengaluru. A ₹4.25 lakh difference on identical money.
Which means the guideline value — the number all of that is charged on — matters more here than almost anywhere else. Check it before you agree a price.
How to check it
- Go to the TNREGINET portal — the Tamil Nadu registration department. Search for it by name; don't follow a seller's link.
- Choose guideline value search.
- Search by street name (urban) or survey number (rural).
- Select the zone, sub-registrar office, village and street.
- Read off the guideline value — usually per square foot for buildings, per acre or per cent for land.
- Multiply by your area. Compare with your agreed price. Duty is on the higher.
Tamil Nadu apartment purchases are often structured as two separate agreements:
1. A sale deed for the undivided share (UDS) of the land.
2. A construction agreement for the building.
Stamp duty applies differently to each. And your UDS — the land you actually own — is specified in the first.
Read both. And check the guideline value for the land the project sits on.
Guideline value vs the others
| What it's called | Where |
|---|---|
| Circle Rate | Delhi, Haryana, Uttar Pradesh, and used generically across India |
| Ready Reckoner Rate | Maharashtra |
| Guideline Value | Tamil Nadu, Karnataka |
| Jantri Rate | Gujarat |
| Collector Rate | Punjab, Haryana |
| Market Value Guideline | Various |
Five names. One idea: the government's MINIMUM valuation for a property in that locality. Stamp duty is charged on the HIGHER of this figure or your actual price — so it is a floor, not a ceiling.
Same idea everywhere. Tamil Nadu's version is unusually granular — and unusually expensive to be on the wrong side of, because of that 11% combined rate.
We have written this against the current position and checked it carefully. But tax turns entirely on your specific facts: your residential status, when you bought, when you sell, which regime you are on, and what else is in your return.
Note also that the Income Tax Act, 2025 now replaces the 1961 Act, and section numbering is changing even where the substance is not. We use the familiar numbers — 54, 54F, 24(b), 80C — because those are what people search for and what CAs still say. Confirm the current section references with your accountant.
Before you sell a property, pay a CA. On a transaction this size it is the best-value fee you will ever pay, and the cost of getting it wrong runs to lakhs.
Frequently asked questions
What is guideline value in Tamil Nadu?
The state government's minimum property valuation, published street by street in urban areas and by survey number in rural ones. Stamp duty and registration are charged on the higher of the guideline value or your actual price.
How do I check guideline value in Tamil Nadu?
Through the TNREGINET portal. Choose guideline value search, then search by street name in urban areas or survey number in rural ones. Select the zone, sub-registrar office, village and street. Search for the portal by name rather than following a seller's link.
Why does guideline value matter more in Tamil Nadu?
Because Tamil Nadu has India's highest combined transaction cost — 7% stamp duty plus 4% registration, which is 11%. On an Rs 85 lakh property that is Rs 9.35 lakh, against Rs 5.10 lakh in Karnataka. The guideline value is the number all of that is charged on.
Is guideline value the same as market value?
No. Guideline value is the government's MINIMUM valuation — a floor. Market value is what a property actually sells for, and it is usually higher. Stamp duty is charged on whichever is higher, so if you negotiate below the guideline value you still pay duty on the guideline value.
How is stamp duty calculated on a Chennai flat?
Chennai apartment purchases are often structured as two documents — a sale deed for the undivided share of land, and a separate construction agreement. Stamp duty applies differently to each. Read both, and check the guideline value for the land the project sits on.