One phone call away from telephone banking and they will calculate and advise you. ) {9 y5 ]: q. v$ m) J( @ c$ b# I5 G3 u& U1 _It can be quite significant when the remaining term is long, depending on the principal, the prevailing interest rate of the term at negotiation and current interest rate. % |) U4 X) \ |( o( b 7 F- n5 @8 {% H0 L4 {! ysome mortgage can be portable to another property, some can not.