Mortgage calculators

Before you take out a mortgage with us, use our calculators to get a good idea of how much you could borrow and how much your monthly repayments might be.

If you already have a Nationwide mortgage, our calculators could help you understand how changes to your mortgage could affect your repayments.

Before you apply

Mortgage Affordability Calculator

Get a good idea of how much we could lend you in just a few minutes.

Mortgage Affordability Calculator - Mortgage Affordability Calculator
Mortgage Quick Quote Calculator

Get a quick idea of how much you could borrow.

Mortgage Quick Quote Calculator - Mortgage Quick Quote Calculator
Mortgage Payment Calculator

Find out how much your monthly mortgage repayments might be.

Mortgage Payment Calculator - Mortgage Payment Calculator

Changes to your mortgage

Overpayment Calculator

Want to make an overpayment? Use this calculator to see how this could affect your monthly payment and term.

Overpayment Calculator - Overpayment Calculator
Rate Change Calculator

See how an interest rate change could affect your monthly mortgage repayments.

Rate Change Calculator - Rate Change Calculator
Early Repayment Calculator

Mortgage term ending or switching your deal? Calculate possible ERCs.

Early Repayment Calculator - Early Repayment Calculator

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Nationwide House Price Calculator

Find out how your home's value may have changed by using our calculator based on the Nationwide House Price Index.

Think carefully before securing other debts against your home. Your mortgage is secured on your home, which you could lose if you do not keep up your mortgage repayments.

Mortgages are subject to underwriting and criteria. Minimum age 18, UK residents only.