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Early Repayment Penalty Calculator

Calculate the cost of early repayment charges (ERCs) on a UK mortgage. See if paying the penalty to leave your deal early could save you money in the long run.

Calculator Inputs

Your Results

ERC Penalty Amount

£6,000.00

Potential Interest Saved

£18,000.00

It could be worth paying the penalty

Calculators & Reference Tools

Net Saving: £12,000.00

Understanding Early Repayment Charges

An Early Repayment Charge (ERC) is a penalty fee you may have to pay if you want to leave your  mortgage deal before it officially ends. Lenders in the UK commonly include these charges on fixed, discounted, or tracker rate  mortgages to protect their expected profit from the interest they would have otherwise received.

Mortgages

This Calculator Site tool helps you weigh up the costs. It calculates the ERC based on your outstanding balance and the lender's percentage. Then, it estimates the amount of interest you would save by switching to a new deal for the remainder of the penalty period. By comparing these two figures, you can get a clear indication of whether breaking your current deal is a sound financial decision.

The ERC Trap: Why Leaving Early Can Be Costly

The ERC is designed to be a significant deterrent. For example, a 3% charge on a £200,000 outstanding balance is a £6,000 fee. This is often the biggest hurdle when considering a remortgage. While our Remortgaging Savings Calculator can show potential benefits, you must first account for the ERC cost.

When Paying the Penalty Makes Sense

The decision comes down to a simple cost-benefit analysis. If the total interest you would save by moving to a new, lower-rate mortgage is greater than the ERC penalty, it can be a financially advantageous move. This calculator provides the verdict by showing you the net financial outcome.

Calculators & Reference Tools

1-5%

Typical ERC percentage range

10%

Typical annual overpayment allowance

£1,000s

Potential savings if you switch

Remember, this is an illustrative tool. The actual interest saved depends on the new rate you secure. Always get a personalised quote before deciding. You might also find our Mortgage Overpayment Calculator useful for exploring other ways to reduce your mortgage term without paying a penalty.

How to use this Calculator Site tool

Enter your outstanding mortgage balance, the ERC percentage from your lender, the number of months left in your penalty period, and your current interest rate. The calculator will instantly show you the penalty amount, the potential interest you could save, and a clear verdict on whether it is financially worthwhile to pay the charge and switch.

Frequently Asked Questions

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