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About this calculator

Stamp Duty Land Tax for England and NI residential purchases by buyer profile.

Related tools

Did you know?

First-time buyers pay no SDLT up to £425,000 (with relief up to £625,000). Additional properties pay a 3% surcharge on each band.

Calculator

SDLT (England and NI residential)

Illustrative stamp duty for England and NI residential purchases by profile (standard, additional property, first-time buyer).

Inputs

Run calculator

Runs against the live API. Nothing is stored. Use Sign up to save results.

Sensitivity scenarios

Sign up to save deals

Create a free Propreneur account to save these numbers against a property.

Optional overrides - mortgage estimate for BTL / commercial

Uses offer price, monthly rent, and monthly expenses (x12 as annual opex) from the form above.

Show working

See every formula, your numbers plugged in step by step, and where each cost comes from. No other UK property calculator shows its maths like this.

Save your numbers and get the next step

Email yourself this run so you do not have to rebuild it later. We will include the result, the assumptions, and the next Propreneur step for saving deals and tracking follow-up.

Run the calculator first. The email uses your latest numbers.

Phone is optional and only for direct follow-up. You can keep calculating without submitting this form.

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