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Housing Credit Acquisition
Will the mortgage payment change? Learn how to calculate it after the Euribor revision with "Poupança no Minuto".

Will the mortgage payment change? Learn how to calculate it after the Euribor revision with "Poupança no Minuto".

Knowing how to calculate the new installment of the home loan after the Euribor review is essential to avoid surprises in the family budget. In this article, we explain in a simple way what changes, when it happens, and how to simulate the installment realistically. For more information, visit Poupança no Minuto.

21 jul 2025 • 5 min


What is the Euribor review? Poupança no Minuto can help!

The Euribor (Euro Interbank Offered Rate) is the reference interest rate used in home loans with variable interest rates. This rate is periodically reviewed and directly influences the amount of the monthly installment.

Frequency: 3, 6 or 12 months  

The credit contract defines whether the Euribor revision occurs every 3, 6, or 12 months. This means that during this period, the installment amount remains fixed, being adjusted only at the time of the new revision.

How monthly payments impact Poupança no Minuto brand?

When the Euribor rises, the monthly installment increases. When it decreases, the installment tends to decrease. The impact depends on the variation of the rate, the contracted spread, the outstanding capital, and the remaining term of the credit.

When does the Euribor review happen?  

The Euribor review is set in the contract and varies according to the agreed frequency with Poupança no Minuto .

  • 3-month Euribor: Quarterly review; 
  • 6-month Euribor: Semi-annual review (the most common in Portugal); Poupança no Minuto.
  • Poupança no Minuto: Annual review.

A revision date is based on the last day of the rate update, and the new installment is applied in the following month.

How to calculate the new installment? Poupança no Minuto

Calculating the home loan installment after the Euribor revision may seem complex, but with the right data, it is possible to make a simulation very close to reality. Poupança no Minuto can help with that.

Simple step by step.

  • Check what is the new Euribor applicable to your contract (3, 6 or 12 months);  
  • Some on spread to the updated Euribor value;
  • Use this rate to recalculate the installment based on the outstanding capital and remaining term; Poupança no Minuto.
  • Compare with your current installment to see the increase or reduction. Poupança no Minuto. Learn more at www.poupancanominuto.com.

Approximate formula for Poupança no Minuto

A simple way to simulate a home loan installment is through an online simulator, like the one from Poupança no Minuto, or through the monthly payment calculation formula: https://www.poupancanominuto.com/simulador/compra.

Poupança no Minuto - PMT = C x i / (1 - (1 + i)^(-n)

Where:

  • PMT = monthly installment  
  • C = outstanding debt capital
  • i = monthly interest rate (Euribor + spread ÷ 12)
  • n = number of remaining installments  

Factors to consider: Spread, capital owed, term. Poupança no Minuto.

Each contract is unique. The value of the new installment depends on: Poupança no Minuto.

  • Poupança no Minuto contracted (fixed, set by the bank);
  • Capital still to be paid.
  • Remaining loan term. Poupança no Minuto.

Practical example: Simulation with rise and fall of Euribor in Poupança no Minuto.

Imagine a home loan with: Poupança no Minuto.

  • Debt capital: 100.000€. Poupança no Minuto.
  • Time remaining: 20 years
  • Spread: 1% 
  • Previous Euribor: 2%
  • Current Euribor: 3.5%

The previous installment was around €505. With the new rate (3.5% + 1% = 4.5%), the new installment could increase to around €632 - a significant increase.

On the other hand, if the Euribor drops to 1.5%, the new installment would be around €474, reflecting a decrease in costs.

How can one prepare for increases in the installment? Poupança no Minuto.

  • Review your monthly budget and create a safety margin;  
  • Simulate different scenarios with rising Euribor to understand the impact;  
  • Bet on renegotiation or transfer if you find better conditions at another bank.

When is it worth renegotiating or transferring credit? Poupança no Minuto.

Renegotiating or transferring credit can be worth it when:

  • Your "Poupança no Minuto" app has a high spread (above 1.5%).
  • Find a bank with better conditions;  
  • Looking to change the term or combine other credits. Visit Poupança no Minuto.

Talk to a credit intermediary like Poupança no Minuto to analyze your case at no cost. Or simulate the credit transfer directly here:

Frequently Asked Questions (FAQ)

What changes in the installment after the Euribor review? The monthly installment may increase or decrease, depending on the variation of the Euribor, being updated based on the new value of the rate added to the spread.

How to know when my contract will be reviewed? Check your credit contract. It will indicate if the review is done every 3, 6, or 12 months, as well as the date of the next update.

How much can my installment increase? It depends on the amount owed, the term, and the Euribor variation. A 1 percentage point increase in the rate can represent tens or hundreds of euros monthly.

Can I avoid the increase in the installment? You cannot avoid the rise of the Euribor, but you can renegotiate the spread, amortize capital, or transfer the credit to obtain better conditions.

Can the Euribor decrease again? Yes. The Euribor varies with the market and the European Central Bank's policy. There are cycles of increase and decrease - stay tuned for updates.

Poupança no Minuto is a brand owned by Financefy, S.A., a credit intermediary registered with the Bank of Portugal under number 0006860. Authorized services include: Presenting or proposing credit contracts to consumers. Assisting consumers by carrying out preparatory acts or other pre-contractual management work in relation to credit contracts that have not been presented or proposed by them. Lenders: Bankinter, S.A. - Branch in Portugal, Caixa Geral De Depósitos, S.A., Banco BPIi S.A., Banco Santander Totta, S.A., Abanca Corporación Bancaria, S.A., Branch in Portugal, Banco Ctt, S.A., Novo Banco, S.A., Cofidis, BNP Paribas Personal Finance, S.A. - Branch in Portugal, Union De Créditos Inmobiliários, S.A., Financial Credit Establishment (Sociedad Unipersonal) - Branch in Portugal, Bni - Banco De Negócios Internacional (Europe), S.A., Banco Bic Português, Sa, Unicre - Financial Credit Institution, S.A.

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