Interest only vs principal and interest

Compare the cost of an interest-only period. No upper limits.

$
%
years
years

Example figures are filled in. Replace them with your own.

Extra interest from going interest-only

$51,232

Interest-only repayment (monthly)
$3,203
Principal and interest from day one
$3,970
Repayment after interest-only ends
$4,294
Total interest, interest-only first
$780,480
Total interest, principal and interest
$729,248

Interest-only lowers repayments for a while, but the balance doesn't fall, so repayments jump afterwards and total interest rises.

Everyone's situation is different. These figures are a starting point. An adviser can run a personalised calculation with your real numbers and current lender policies.

Results are estimates for planning, using standard loan maths, and should be used as a guide only. They assume rates stay the same and leave out fees you haven't entered. They are not an offer or approval of finance, and not financial advice.

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