Calculate Your Mortgage Savings in Seconds
See how small overpayments could save you thousands in interest and cut years off your mortgage.
No email required. UK focused. Results are estimates only.
✓ Free to use ✓ No personal data stored ✓ Instant results
Results are estimates only and not financial advice
Mortgage Payment Calculator
Mortgage Balance
Interest rate
Remaining mortgage term
Monthly overpayment
Summary
Detail
Try adjusting your overpayments to see the impact
No personal data is stored or shared
Results are estimates only and do not constitute financial advice. Actual mortgage terms and savings will vary.
The free calculator shows you how overpayments could reduce your mortgage.
Unlock the Advanced Mortgage Planner for deeper insights and realistic planning.
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See a visual amortisation chart
Model lump sum overpayments
Account for fixed-rate changes
Create a long-term repayment plan
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Your Full Mortgage Picture - In One Place
Unlock detailed charts to understand your balance, interest and payoff timeline.
Mortgage Balance Over Time
See how overpayments reduce your balance over time.
Total Interest Paid
See how much interest you could avoid paying.
Mortgage-Free Sooner
See how many years earlier you could finish.
See how much interest you could save - and how much faster you could be mortgage-free.
One-time payment. Instant access. No subscription.
Designed for UK mortgages. Estimates only. No advice provided.
Questions about overpayments or how this works?