Estimate taxes quickly
Get an indicative estimate of IMT and Stamp Duty based on the purchase price and the main tax profile of the property.
Open calculatorProperty purchase resources
Understand IMT, estimate taxes and prepare completion with more confidence.
This page brings together the site’s main resources for anyone buying property in Portugal and preparing the final stages of the transaction. You can start by understanding how the tax works, making a quick estimate, reviewing possible reliefs and checking the practical process for obtaining and paying the documents before completion.
If you already know the purchase price, go straight to the IMT and Stamp Duty calculator. If your question is whether the tax calculation follows the purchase price or the VPT, also see purchase price or VPT. If you need context first, read the guide to IMT and Stamp Duty. If you want to confirm possible reliefs, review the IMT exemptions. If you are preparing the final stage of the purchase, consult the practical guide before completion. If you already own property and want to understand the annual tax, see the page on IMI in Portugal.
What IMT is and when it is due
See in plain language when IMT arises, how it interacts with Stamp Duty and at which stage of the purchase these costs must be settled.
Read the guideReview exemptions and special regimes
Review the main exemption scenarios, including primary residence and the youth regime, with reference to the 2026 tables.
Explore exemptionsPractical guide before completion
Understand the usual sequence: gather the data, submit Modelo 1 IMT, generate the payment documents and settle the taxes before completion.
See step by stepStart with the essentials
Start with a quick estimate, understand the main rules, review possible reliefs and prepare the final stage of the purchase more methodically.
Start with the essentialsWhen professional confirmation may be useful
If there are doubts about ownership shares, taxable value, exemptions, age, intended use or mixed scenarios, it may be wise to validate the case before submission.
Request a reviewWhere to begin
- Start with the calculator if your priority is to estimate costs.
- Read the page about IMT and Stamp Duty if you want to understand the rules and payment timing.
- Review the IMT exemptions if you believe full or partial relief may apply.
- Use the practical guide when the purchase is already advanced and the concern becomes procedural and documentary.
- If your doubt is about which value matters on acquisition, see purchase price or VPT.
- If you already own property, see the page on IMI in Portugal to understand the annual municipal tax.
When it makes sense to validate the case
An online estimate is useful to prepare the purchase, but the formal tax assessment may depend on the correct legal and tax framework, the value relevant for taxation and how the transaction is presented in Modelo 1 IMT.
If there is any special feature, it is worth reviewing the case before completion.
Next step
Would you like to confirm the case before completion?
If the purchase is already advanced, if you want to confirm an exemption or if you would like to reach completion with more certainty, you can request a preliminary legal review before submitting Modelo 1 IMT.
- Avoid last-minute surprises
Useful when there are doubts about value, ownership shares, use of the property or the applicable relief. - Check exemption eligibility
Helpful when you want to confirm whether an exemption or youth regime may apply. - Prepare payment documents
Especially relevant once the purchase is close to completion.