Short answer
£100/month could become roughly £34,000 by 18
Total contributions would be £21,600. With 5% annual growth, a 0.25% annual fee assumption, and no starting balance, the projected Junior ISA value is £34,040 nominally, or about £21,825 in today's money using 2.5% inflation.
- Contributed
- £21,600
- Projected value
- £34,040
- Estimated growth
- £12,440
Assumptions
- Child starts at age 0 with no existing Junior ISA balance.
- £100 is invested monthly until age 18.
- Growth is modelled at 5% a year, with a 0.25% annual fee drag.
- Inflation-adjusted value uses 2.5% inflation.
Educational projection only. This is not financial advice or a promise of investment returns.