About This Calculator

Our Stamp Duty Land Tax (SDLT) calculator helps property buyers in England and Northern Ireland understand their tax obligations using the latest rates from 1 April 2025.

How It Works

The calculator uses the official SDLT bands and rates to provide accurate estimates for:

• Main residence purchases
• First-time buyer relief
• Additional property surcharge
• Potential refund scenarios

Accuracy & Disclaimer

While we strive for accuracy, this calculator provides estimates only. For official advice, consult HMRC or a qualified tax advisor.