What stamp duty actually does for you
Stamp duty is not a bureaucratic tax on paperwork — it is the state's fee for making your transaction document legally valid. A stamped deed is admissible in court, accepted by every bank as mortgage security, and carries weight in any future title dispute. Skip it or under-stamp, and the deal exists only on trust. Banks will not disburse, and future buyers will balk at the chain of title.
Registration is not the same as stamp duty
Registration records the deed in the government's property register and issues you the registered copy — your most important ownership document. It is a separate fee from stamp duty, though both are typically calculated on the same consideration base. Some states cap registration at a maximum rupee amount regardless of property value: Hyderabad applies a low percentage with a ceiling, which is why the calculator shows the registration line go flat on high-value properties there.
Circle rate versus agreement value: the gap that inflates your bill
Sub-registrar offices publish locality-wise minimum reference prices called circle rates or guidance values. Stamp duty is charged on the higher of your agreement value and the applicable circle rate — not just what you agreed to pay. If a ₹1.5 Cr flat sits in a locality where the circle rate values it at ₹1.75 Cr, the sub-registrar will demand duty on ₹1.75 Cr. Enter the higher of the two figures in this calculator if you know it, otherwise treat the output as a floor, not a ceiling.
Gender and joint ownership concessions: what actually applies
Maharashtra and Delhi reduce residential stamp duty for women buyers, but the concession comes with conditions. In Maharashtra, the rebate typically requires sole female ownership of a residential property. Delhi extends the reduced rate to female sole buyers and, under certain deed structures, to joint purchases where the woman holds the prescribed share. Karnataka does not apply a gender-based rate reduction in its consolidated duty structure — Bengaluru buyers pay the same rate regardless of who is on the deed.
Under-construction versus ready possession: two different stamp moments
An under-construction purchase is often structured as an agreement to sell plus a construction services agreement, with GST applying on the developer's construction component. Stamp duty on the agreement is typically lower than on the full conveyance deed. A ready possession unit triggers conveyance on the entire sale consideration, so the full rate applies at once. This tool takes a single rupee figure and applies conveyance-style rates; split-payment or instalment structures need a separate working from your CA.
What to have ready before registration day
- Sale deed or conveyance draft reviewed by your lawyer, with property schedules that match the site plan exactly.
- Identity and address proof for every party on the deed; PAN is mandatory above the prescribed threshold.
- Encumbrance certificate from the sub-registrar office confirming no prior charge or lien on the property.
- Latest property tax receipts for the seller — some registrar offices require these before accepting the deed.
- E-stamp paper or franking completed in the correct denomination before your appointment slot.
- Banker disbursement letter if a home loan mortgage is being registered alongside the sale deed, so the bank transfers funds on the same day.