Mortgage calculator
Portugal Mortgage Calculator
A Portugal mortgage of €520,000 on a €650,000 home with 20% down costs about €2,483 a month at 4% over 30 years, before IMI and insurance. Banco de Portugal limits new loans to 90% of the value for an own permanent home and 80% for other homes, with all loan repayments limited to 45% of net income and terms of up to 40 years (Banco de Portugal, checked 17 October 2026).
A Portugal mortgage calculator is a tool that estimates the monthly repayment, total interest and income needed for a Portuguese home loan from the price, deposit, term and interest rate.
Property & Loan Details
Portugal mortgage rules in 2026
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Updated .
Banco de Portugal limits for new home loans
The limits apply to loans whose creditworthiness check takes place from 1 August 2026. They are recommendations: banks follow them or explain each exception to Banco de Portugal, and a bank can set stricter terms.
| Rule | 2026 limit | What it covers |
|---|---|---|
| Loan-to-value, own permanent home | 90% | The loan as a share of the lower of the purchase price and the bank valuation |
| Loan-to-value, other purposes | 80% | Second homes, buy-to-let and other loans secured on property |
| Debt service to income (DSTI) | 45% of net monthly income | All of the borrower's loan repayments; each bank may go above it on up to 10% of its new lending in each half-year |
| Interest-rate rise in the DSTI test | At least +0.5, +1 or +1.5 percentage points | Variable and mixed-rate loans with terms of up to 5 years, 5 to 10 years, and over 10 years |
| Maximum term | 40 years or 35 years | Borrowers aged 35 or under, or over 35 |
| Repayments | Regular capital and interest | All new loans covered by the recommendation |
Taxes linked to a mortgage purchase
| Tax | 2026 rate | Charged on |
|---|---|---|
| Stamp duty on the loan | 0.6% | The loan amount, for a loan of 5 years or more (item 17.1.3) |
| Stamp duty on interest | 4% | Interest paid to the bank (item 17.3.1); interest on a loan to buy, build or improve your own home is exempt |
| Stamp duty on the purchase | 0.8% | The purchase value (item 1.1) |
| IMT (property transfer tax) | 0% to 7.5% | The purchase value, by band and use of the property |
| IMI (annual property tax) | 0.3% to 0.45% | The property's tax value (VPT), at the rate your municipality sets |
Budget the purchase taxes with the Portugal IMT calculator, and read how to get a mortgage in Portugal for what banks ask for.
For the full buying process, see buying property in Portugal. Movingto's Portugal real estate legal support covers due diligence, contract and deed review and registry checks before you sign.
Portugal mortgage FAQs
How much deposit do I need for a mortgage in Portugal?
Banco de Portugal recommends that banks lend no more than 90% of the lower of the price and the valuation for an own permanent home, and no more than 80% for other purposes such as a second home. Plan for a deposit of at least 10% or 20%, plus purchase taxes; a bank can ask for more.
What is the maximum mortgage term in Portugal?
40 years if you are 35 or under, and 35 years if you are older, under Banco de Portugal Macroprudential Recommendation 1/2026. On a joint loan, the age of the older borrower counts.
How much stamp duty is charged on a Portuguese mortgage?
Stamp duty is 0.6% of a loan of 5 years or more, so €3,120 on a €520,000 loan. Interest is charged 4% stamp duty unless the loan is for your own home. The purchase itself carries 0.8% stamp duty on the purchase value, on top of IMT.
What income do I need for a Portugal mortgage?
Banco de Portugal limits total loan repayments to 45% of net monthly income. For variable and mixed-rate loans, the bank tests the payment with a rate rise of at least 0.5 to 1.5 percentage points, depending on the term. This calculator is more cautious: it shows the income at which the monthly cost, including IMI and insurance, stays at 30% of income.