Use the calculator below to input your property details and instantly see your SDLT obligations, including non-UK resident surcharges.
See how much tax you’ll pay when buying your property
Enter a property price to calculate stamp duty
Our calculator provides a detailed breakdown of SDLT based on
The total price of the property.
First-time buyer, home mover, or additional property buyer.
Includes surcharges applicable for non-UK residents.
Calculates SDLT for purchases pre-April 2025 and post-April 2025.

Provide the purchase price of the property.

Choose if you’re a first-time buyer, home mover, or additional property buyer.

Indicate if you’re a non-UK resident to include the surcharge.

Specify whether the purchase is pre-April 2025 or post-April 2025 to ensure accurate calculations.
Understand the exact SDLT you’ll pay before committing to a property purchase.
Avoid the complexity of manual calculations and get accurate results instantly.
The calculator is regularly updated to reflect changes in SDLT rules, including post-April 2025 adjustments.
Auction Finance provides mortgage advice only and is not authorised to offer tax advice. Please consult a qualified tax advisor for guidance specific to your SDLT liability.