Property

Mortgage switching comparison Calculator

Compare two mortgage rates over the same remaining term. This free mortgage switching comparison calculator shows the calculation and its assumptions so you can compare your own figures.

Calculated on your device

Your results

Lifetime Saving€31,114.04

Compare two mortgage rates over the same remaining term.

New Monthly Payment€1,278.53

Calculated outcomes

Current Monthly Payment: €1,389.58
Monthly Saving: €111.05
Break Even Months: 20
Net Switching Cost: €2,200.00

Assumptions and estimates

Both rates remain fixed over the identical remaining term. Include valuation, legal costs, discharge and fixed-rate break charges yourself. Cashback conditions and future rate changes can alter the result.
Method: Calculate repayment annuities for each rate and subtract net switching costs from payment savings.
Rates remain constant; include actual legal, valuation and fixed-rate break costs. Cashback conditions are separate.

Useful next steps

Lending limits are a guide only. Contact a lender or mortgage broker for an assessment before committing to a purchase.
Use Compare options to test an alternative side by side.
Copy, print or download a record of this calculation when you need one.

Reports open your email app addressed to s@s1.ie with the public page address only. Your inputs are never added.

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How the mortgage switching comparison calculation works

Calculate repayment annuities for each rate and subtract net switching costs from payment savings.

Rates remain constant; include actual legal, valuation and fixed-rate break costs. Cashback conditions are separate.

Using this calculator

Enter your own figures in the labelled inputs. Keep the currencies, units and time periods consistent.
Choose any applicable rate profile, pattern or assumption shown for this tool. Open additional inputs when relevant.
Review lifetime saving and new monthly payment, then read the stated assumptions and eligibility conditions before using the result.

Worked example

This is a static example using illustrative inputs, not facts about you or today’s date. The displayed eligibility selections and assumptions apply only to this example.

See example inputs

Outstanding mortgage (€): 250000
Remaining term (years): 25
Current annual rate (%): 4.5
New annual rate (%): 3.7
All switching costs (€): 2200
Unconditional cashback (€): 0

Lifetime Saving: €31,114.04
New Monthly Payment: €1,278.53

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