Landlord tools
Stamp duty (SDLT) calculator
England & Northern Ireland rates for 2025/26, including the additional-property surcharge.
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Estimated SDLT
Effective rate
England & Northern Ireland only (Scotland uses LBTT, Wales uses LTT). Additional-property surcharge is 5% on top of standard rates for purchases of £40,000+. First-time buyer relief applies only where the price is £500,000 or less. Estimate only — confirm with your solicitor.