Some homeowners will be facing higher monthly repayments after today.
Interest rates are expected to rise, possibly by as much as 0.75%, when the European Central Bank's Governing Council meets in Frankfurt.
It'll be the second rate hike in as many months, with the ECB trying to dampen spiraling prices across the eurozone where inflation has reached record highs.
It means increases are likely for those paying tracker or variable rate mortgages.
Economist Austin Hughes says it may be time to shop around for a new home loan.
