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Professional Irish Financial Analysis • 2026
Generated On
22 July 2026
Note: This report is an estimate based on current Irish Revenue tax bands and provided inputs. For official tax advice, please consult a qualified professional or visit Revenue.ie.
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Mortgage CalculatorOverpaying your mortgage can save thousands. On a €300,000 mortgage at 4% over 25 years, an extra €200/month saves ~€28,000 in interest and repays the loan ~4 years earlier. Use the Mortgage Calculator to model your overpayment scenario.
Overpayments reduce your outstanding principal earlier than scheduled. Since interest is calculated on the remaining balance, paying principal down faster means less interest accrues over the life of the loan.
Overpay €200/month → save ~€28,000 interest → repay 4 years early
The mechanics vary by lender: some shorten the term while keeping the repayment amount, others recast the repayment amount. Check your mortgage offer to understand which treatment applies.
Most Irish fixed-rate mortgages allow overpayments of up to 10% of the outstanding balance per year without penalty. Above that threshold, breakage fees may apply — typically the lender's cost of re-lending the repaid funds at current rates.
If you're planning a large lump sum (bonus, inheritance), it may be worth timing the overpayment to coincide with a rate review or switching to a new product with no break fees.
| Scenario | Monthly payment | Total interest | Term |
|---|---|---|---|
| Baseline | €1,583 | €174,900 | 25 years |
| +€200/month overpayment | €1,783 | ~€146,900 | ~21 years |
*Assumes €300,000 loan at 4% over 25 years. Actual results depend on your lender, rate, and overpayment treatment.