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Stamp Duty Calculator

Calculate stamp duty and registration charges on property purchases based on property value, type, and state/country rates.

Tested tool guide Tested browser tools Checked August 16, 2026

What Stamp Duty Calculator does and how it behaves

Most buyers budget for the price and the loan and forget the tax that lands on top at settlement. This tool estimates stamp duty and registration charges from three inputs: the property value, the type of property, and the state or country whose rates apply. It looks up that jurisdiction's schedule - progressive bands, flat percentages, or a mix - applies the reliefs you select, and adds registration or transfer fees at their own rate. The surprise for most users: duty is paid in cash at settlement, not added to the mortgage, and a progressive-band regime never taxes the whole value at the top rate.

How the result is produced

1

Rate schedules by jurisdiction

Each state or country has its own schedule and the tool keeps them separate. Some regimes apply one percentage to the full value; others use progressive bands, taxing each portion of the price at its own rate. You pick the jurisdiction and enter the value; the tool applies the matching schedule, computes the duty on the full transaction, then adds registration or transfer fees at the jurisdiction's fee rate.

2

Property type and reliefs

Property type matters: residential, commercial, and agricultural purchases often carry different rates. First-home or principal-residence relief can cut the bill; additional or investment properties may attract a surcharge. You select the type and the reliefs you believe apply, and the tool applies them. It computes from your selections - it cannot verify that you qualify, so the result is only as accurate as the eligibility you claim.

Good uses

  • Working out the full cash needed at settlement before you make an offer, so duty and registration charges sit in the budget alongside the price and the loan.
  • Comparing the same-value property across two states or countries, because duty can differ materially between jurisdictions and can decide which purchase is genuinely cheaper.
  • Checking how much a first-home or other relief changes the bill, and whether a slightly higher price pushes the transaction past a relief cap and wipes out the saving.

Limits and checks

  • Rates are snapshots. Budget announcements change schedules, so a result is only as current as the tool's rate table. Confirm the rate for the month you will settle with the revenue authority before treating the figure as final.
  • The duty is computed on the value you enter. Some authorities charge on the higher of the agreement price and an assessed or guidance value, so if the figure you type differs from the value the authority uses, the real bill will differ.
  • Reliefs and surcharges are self-selected. Marking first-home when you do not qualify, or missing a surcharge on an additional property, can understate the bill. The tool computes from your choices; it does not verify your eligibility.

Common questions

Can I add stamp duty to my home loan?

Usually not. In most regimes the buyer pays stamp duty and registration charges in cash at or before settlement, and lenders do not fold them into the mortgage. A few regimes or lenders allow the costs to be borrowed for certain loan types, so ask your lender directly - but the safe assumption is cash on top of the price.

Is the duty charged on the whole price or only the part above a threshold?

It depends on the regime. Some charge a single flat percentage of the full value. Others use progressive bands, where each portion of the price is taxed at its own rate, so the top rate applies only to the portion above each band. The tool follows the schedule for the jurisdiction you select - the same price can produce very different figures in each system.

References and verification

The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.

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