The Wealth Modeler
Ireland — mortgage overpay vs keeping cash

Mortgage overpay vs keep cash

Overpaying saves €28,342 interest and finishes ~55 months sooner

These are example numbers — change them. Not advice.

If you overpay the mortgage by a set amount each month, how much interest do you save and how many months sooner are you done — versus keeping that cash liquid? Numbers update as you type.

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Auto-calculated from balance, rate, and term — edit if yours differs.

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Simple amortisation — ignores fees, tax relief, and offset accounts. Not advice.

Result

Overpaying saves €28,342 interest and finishes ~55 months sooner

Interest without overpay

€140,478

Interest with overpay

€112,137

Payoff without overpay

300 months left

Payoff with overpay

245 months left

Also see lifespan on longevitymodeler.com

If you kept the extras in cash

Cash pile of extras (~€49,000) at 1.25% AER ≈ €14,146 over that period