Auction-Finance logo
Call us anytime

Overpayment Calculator

Mortgage Overpayment Calculator

Looking to pay off your mortgage faster and save on interest costs? Our Mortgage Overpayment Calculator helps you understand the impact of making regular overpayments on your mortgage. Compare your original mortgage term and interest with a new scenario that includes overpayments, and see how much you can save.
UK Mortgage Overpayment Calculator

Mortgage Overpayment Calculator

Calculate how overpayments can save you money and time

Mortgage Details

Years
Months

Results

Standard Monthly Payment
Click Calculate
Total Monthly Payment (incl. overpayment)
Click Calculate
Time Saved
Click Calculate
New term: --
Interest Saved
Click Calculate

Why Use a Mortgage Overpayment Calculator?

Save on Interest

Overpayments reduce the principal balance faster, cutting down the total interest you’ll pay over the life of the loan.

Shorten Your Mortgage Term

Regular overpayments allow you to pay off your mortgage earlier, giving you financial freedom sooner.

Make Informed Decisions

Understand the real benefits of overpaying and adjust your budget accordingly.

Example Scenarios

01

Regular Overpayments

  • Loan Amount: £200,000
  • Interest Rate: 3.5%
  • Loan Term: 25 years
  • Monthly Overpayment: £200
  • Original Term: 25 years
  • Revised Term: 21 years 7 months
  • Interest Saved: £17,500
02

No Overpayments

  • Loan Amount: £200,000
  • Interest Rate: 3.5%
  • Loan Term: 25 years
  • Monthly Payment: £1,002
  • Total Interest Paid: £100,705

Benefits of Overpaying Your Mortgage

Reduce Financial Stress

Paying off your mortgage faster reduces long-term debt and provides financial peace of mind.

Save Money in the Long Run

Overpayments significantly reduce the total interest cost, especially on long-term loans.

Flexibility to Adjust

You can make small, consistent overpayments or occasional lump sums to suit your financial situation.

Features of the Calculator

Our calculator provides accurate estimates based on

Interest Comparison

The tool shows the total interest paid in both original and overpayment scenarios.

Visual Insights

Interactive charts provide a clear comparison of mortgage balances and cumulative interest paid over time.

Instant Feedback

The results are displayed immediately, allowing you to adjust your inputs and see real-time effects.

0208 143 7779

Frequently Asked Questions

Ans: Most lenders allow overpayments, but some may have limits or fees for early repayment. Check your mortgage agreement for details.
Ans: This depends on your budget. Even small overpayments can make a significant difference over time.
Ans: No, overpayments reduce the mortgage term or principal balance, but your agreed monthly payment usually remains the same unless you request a recalculation.
Ans: Some lenders impose early repayment charges. Consult your lender before making large overpayments.
Ans: Yes, but fixed-rate mortgages often have stricter limits on overpayments.