Mortgage calculators & guides for Ireland
Start with a calculator, then use the guides to understand borrowing limits, affordability, repayments, first-time buying, overpayments and switching.
Content reviewed: 2026-09-12
Borrowing & affordability
Work out an indicative borrowing range and understand how income, deposit, debts and lender criteria affect affordability.
Repayments & rates
Compare repayment scenarios across mortgage amounts, terms and interest rates.
First-time buyers
Understand deposits, buying costs, borrowing limits and the difference between an estimate and a lender assessment.
Existing mortgages
Explore overpayments, switching, top-ups and ways to understand when your mortgage could be paid off.
How the numbers are built
Calculators use the inputs shown on each page and are designed for scenario planning. Irish mortgage rules and lender criteria can change, so check the latest official information before relying on an estimate.
Read the methodology and sources → · Browse official sources →