IMT & Stamp Duty Calculator – Estimate Property Purchase Taxes in Portugal
Calculate IMT and Stamp Duty taxes on property purchases in Portugal. Use our free 2025 simulator for fast, accurate results.
Introduction
Thinking about buying property in Portugal? Whether it’s a holiday home in the Algarve or an investment apartment in Lisbon, knowing how much you’ll pay in taxes is essential.
This free, easy-to-use calculator lets you instantly estimate your IMT (property transfer tax) and Stamp Duty (Imposto do Selo) based on:
- The property price
- Its intended use (main residence vs second home)
- The location (mainland or islands)
Get a clear view of your tax obligations — no registration required.

🎯 What This Calculator Covers
- IMT (Imposto Municipal sobre Transmissões Onerosas de Imóveis)
Portugal’s progressive real estate transfer tax, up to 8% - Stamp Duty (Imposto do Selo)
A flat 0.8% of the purchase price, paid at deed signing
✔️ Based on the official 2025 rates
✔️ Works for both residents and non-residents
✔️ Updated for mainland Portugal (optional for Madeira/Azores)
🔢 Calculator to Estimate IMT and Stamp Duty
🏠 Example: For a second home in Algarve worth €650,000, you may owe:
- IMT: ~€39,000
- Stamp Duty: €5,200
- Total Taxes: ~€44,200
💬 Why This Matters
Many buyers underestimate how much taxes can add to the final purchase cost. Depending on the value and type of property, you may pay:
- 0% to 8% in IMT
- Always 0.8% Stamp Duty
- Often €5,000–€250,000+ in total purchase taxes
This calculator helps you plan ahead, avoid surprises, and negotiate smarter.
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