Mortgage payments rise for six‑month Euribor loans
Monthly mortgage payments will increase in March for loans indexed to the six‑month Euribor and fall for contracts tied to the three‑ and twelve‑month rates, Deco Proteste simulations show. For a €150,000, 30‑year loan with a 1% spread, a contract linked to the 12‑month Euribor would see a payment drop of about €15.38 in March compared with the prior review. Borrowers with variable‑rate mortgages should check their review schedules, ask lenders how the indexation will affect instalments, and consider repayment or refinancing options if needed. Those with outstanding loans should contact their bank or broker ahead of March adjustments.
Euribor (Euro Interbank Offered Rate) is the benchmark interest rate at which major European banks lend to each other. It directly affects most variable-rate mortgages in Portugal, where the vast majority of home loans are indexed to 3-month, 6-month, or 12-month Euribor rates.
When Euribor rises, monthly mortgage payments increase at the next review date; when it falls, payments decrease. The European Central Bank's (ECB) monetary policy decisions are the primary driver of Euribor movements — rate hikes push Euribor up, while cuts bring it down.
Euribor peaked above 4% in late 2023 after aggressive ECB tightening, then gradually declined through 2024–2025 as the ECB began cutting rates. Portuguese homeowners with variable-rate mortgages should track Euribor trends and their mortgage review dates to anticipate payment changes.
Deco Proteste is Portugal's largest consumer rights organization, providing independent product testing, legal advice, dispute mediation, and advocacy on behalf of consumers. It is part of the international Euroconsumers group.
Deco publishes comparative tests of products and services (from insurance policies to supermarket prices), lobbies for consumer-friendly legislation, and runs a mediation service that helps resolve disputes between consumers and companies. It also operates helplines during crises — such as severe weather events — to advise on insurance claims, billing disputes, and emergency consumer rights.
Membership is paid, but Deco's public advocacy and media presence make it a significant voice in Portuguese consumer affairs. Its studies and reports are frequently cited in news coverage of cost-of-living, energy prices, and financial products.



