What the tool does, how to run it, and what to expect from the result.
Calculate Stamp Duty Land Tax on a residential purchase in England or Northern Ireland, for home movers, first-time buyers and additional properties, using the rates from 1 April 2025. The math updates instantly and runs on your device, so it is fast, private, and available offline.
A quick way to understand who this helps, what it solves, and where it connects next.
Shoppers, students, freelancers, and anyone who needs a quick, private calculation.
Fast everyday math without a spreadsheet, app install, or sign-up.
Short answers for the questions people usually have before trying a utility like this.
Yes. It is completely free, with no sign-up, no watermark, and no usage limits.
Yes, pounds sterling. It applies Stamp Duty Land Tax for England and Northern Ireland; Scotland (LBTT) and Wales (LTT) have their own taxes.
From 1 April 2025: 0% up to £125,000, 2% to £250,000, 5% to £925,000, 10% to £1.5 million and 12% above, each on the slice of the price in that band. A £350,000 home costs £7,500. Additional properties pay 5 percentage points more on every band, and non-UK residents 2 more.
First-time buyers pay 0% up to £300,000 and 5% from £300,001 to £500,000. Above £500,000 the relief is lost entirely and standard rates apply, so a £450,000 first home costs £7,500 while a £600,000 one costs £20,000.
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Enter your numbers and the result updates live in your browser. Nothing is uploaded and no server is used.
Calculations run locally in your browser. Amounts are shown without a currency symbol so they work anywhere.