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Stamp Duty Calculator: How Much Will You Pay?

Stamp Duty Calculator: How Much Will You Pay? — calculate your result and understand what it means.

1 min readUpdated: 21 December 2025

Quick Answer

Use the calculator below to get a personalised estimate. We also explain what affects your result and what to do next.

Calculate your result

SDLT Calculator

Calculate SDLT for England & N. Ireland (2025 rates)

£

Stamp Duty Land Tax (SDLT) is calculated using progressive bands. The 0% threshold is £250,000 for standard purchases, or £425,000 for first-time buyers on properties up to £625,000. Additional properties incur a 5% surcharge.

This calculator provides estimates only. Actual tax may vary. Always verify with HMRC, Welsh Revenue Authority, or Revenue Scotland before making financial decisions.

How this is calculated

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What affects your result

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What this means for you

Next steps

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