What is the stamp duty on property purchase in Tamil Nadu and how is it calculated?

FY 2025-26:

• Stamp duty: 7% on the higher of guideline value or sale price
• Registration fee: 4% on the guideline value (not sale price; no cap)

Total: effectively 11% on the guideline value — making Tamil Nadu one of India's most expensive states for property registration.

Example: Chennai flat, guideline value ₹60 lakh, sale price ₹80 lakh → Stamp duty 7% × ₹80 lakh = ₹5.6 lakh + Registration 4% × ₹60 lakh = ₹2.4 lakh → Total ₹8 lakh.

Settlement deeds (within family): 1% stamp duty capped ₹40,000 + 1% registration capped ₹10,000 — popular for succession planning in Tamil Nadu.

The guideline value is the minimum registration value fixed by the government per sq ft (for buildings) or per sq yard/cent (for land), varying by street and locality. Updated periodically by IGRS Tamil Nadu.

Key rule: stamp duty is on the higher of guideline value or sale price; registration fee is always on the guideline value. In areas where guideline values are lower than market (common in Chennai's OMR, Sholinganallur belt), this creates a split calculation.

Search guideline values at tnreginet.gov.in → Guideline Value Search → select district, SRO, and street.

1. Look up guideline value at tnreginet.gov.in → Guideline Value Search.
2. Pay stamp duty via e-GRAS (online through tnreginet.gov.in) or franking at authorised banks.
3. Prepare the sale deed with a lawyer on stamp paper; gather documents: parent documents (13-year title chain), EC (Form 16), patta, building approval plan, PAN, Aadhaar of buyer and seller, two witnesses with ID proofs.
4. Book SRO appointment at tnreginet.gov.in; slots usually available within a week.
5. Attend SRO with buyer, seller, two witnesses; Aadhaar verification conducted.
6. Receive registered deed on the same day; certified copy downloadable from TNREGINET within 48 hours.

Tamil Nadu buyers purchasing property for ₹50 lakh or more must deduct 1% TDS from each payment to the seller, including separate UDS and construction agreement instalments.

Process: File Form 26QB on tin.tin.nsdl.com within 30 days of the month of each payment. Issue Form 16B to the seller within 15 days of filing.

Tamil Nadu-specific notes:

• Tamil Nadu apartment purchases commonly involve two instruments: a Undivided Share (UDS) sale deed and a construction agreement. TDS applies to the total payments across both — calculate on the combined consideration.
• Tamil Nadu's 4% registration is on the guideline value, not the sale price. TDS, however, is on the total sale price — the two bases can differ significantly. Do not confuse the two.
• Settlement deeds between family members: if the settlement value exceeds ₹50 lakh (based on guideline value or stated value), TDS still applies.
• TNREGINET portal: the sub-registrar may ask for Form 26QB challan at the time of registration. File it before your SRO appointment.

Registering the sale deed confirms legal title, but two further steps are essential to fully secure ownership in Tamil Nadu:

1. Patta transfer: Patta is the land revenue record maintained by the Tahsildar (Revenue Department). Without patta in your name, property tax notices continue in the seller's name and you cannot apply for building plan approval, further registration, or government schemes.

Apply to the local Tahsildar within 90 days of registration. Documents required: certified copy of registered sale deed, previous patta copy, Aadhaar of buyer, and application form. Fee: ₹100–500. Timeline: 1–3 months. In Chennai, apply at the Tahsildar's office for the relevant zone (Teynampet, Alandur, Ambattur etc.).

2. Encumbrance Certificate (EC): EC from tnreginet.gov.in shows all registered transactions on the property — sale, mortgage, lease, court attachment. Obtain a 13-year EC before purchase and a fresh EC 2–3 months after registration (it should now show your deed). Retain the post-registration EC permanently — banks require it for future mortgage applications.

CMDA/DTCP approval: In Chennai and its surroundings, verify that the building plan was approved by CMDA (Chennai Metropolitan Development Authority) or DTCP. Properties without approved plans face demolition proceedings and cannot be mortgaged to nationalised banks.

Tamil Nadu's 11% combined transaction cost is among the highest in India, which materially affects investment returns and price negotiation.

Stamp duty and registration as acquisition cost: The 7% stamp duty and 4% registration fee paid at original purchase are included in the cost of acquisition when computing capital gains on future sale. On a ₹1 crore Chennai flat, ₹11 lakh in initial transaction costs reduces the eventual taxable gain by that amount — partially offsetting the upfront burden for long-term holders.

LTCG on property held 24+ months (Finance (No. 2) Act, 2024): 12.5% without indexation, or 20% with indexation for pre-23 July 2024 acquisitions — seller chooses whichever is lower.

Section 54 / 54F reinvestment exemption: Sellers reinvesting LTCG proceeds into one residential property within 1 year before or 2 years after the sale (3 years for construction) avoid CGT on the reinvested amount. Capital Gains Account Scheme (CGAS) allows temporary deposit of gains with a scheduled bank while the seller identifies a replacement property — the deposit protects the exemption claim even if the replacement is not found immediately.

Buyer's role: Even where the seller plans to claim Section 54, the buyer must deduct 1% TDS on payments above ₹50 lakh. The seller then claims TDS credit against their actual tax liability or obtains a refund if the Section 54 exemption eliminates the tax.