How to use this calculator
Enter a yearly deposit, the child’s age at the start of the model and an assumed annual rate. The age input illustrates the age at maturity; it does not assess account eligibility.
How the estimate is calculated
Uses beginning-of-year contributions for 15 years and annual growth for a total 21-year period. The projected maturity age is the entered age plus 21.
Assumptions and exclusions
Actual rules, deposit dates, permitted withdrawals, existing account age and changing notified rates are not fully modelled. Defaults are illustrative rather than verified current rates.
Official reference: Check the relevant government guidance. The calculator implements a simplified app model.
