Free financial calculator

Mortgage Payment Change Calculator

See how a different interest rate could change your monthly mortgage payment.

Use the calculator

Adjust the assumptions

Mortgage Payment Change Calculator

See how a different interest rate could change your monthly mortgage payment.

Figures are estimates. You can adjust every assumption.

Result

£0

View year-by-year breakdown
YearContributionsGrowthBalance

Questions answered

What this calculator helps you work out

  • How much could my mortgage payment change at a new rate?
  • What would the increase or reduction cost over a year?
  • How do payments at the current and new rate compare?

Common questions

Mortgage Payment Change Calculator FAQs

Why might my lender quote a different payment?

Payment dates, daily interest, fees, escrow, rounding and the exact remaining term can all affect the lender’s figure.

Can I use this when a fixed deal ends?

Yes. Enter the outstanding balance, remaining term, current rate and expected follow-on or renewal rate.

Does this work for interest-only mortgages?

No. It models a capital-and-interest repayment mortgage.