![\"Fathers](\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2025\/08\/Fathers-and-son-1200x800.jpg\")
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Image source: Getty Images<\/p>\n
It sounds implausible. A \u00a327m Self-Invested Personal Pension (SIPP)<\/a> from just a few thousand pounds a year. But with a long enough runway and the power of compounding, it becomes a mathematical possibility.<\/p>\n A SIPP opened at birth and topped up consistently could, in theory, accumulate a fortune over time. Using HMRC\u2019s maximum child SIPP contribution of \u00a33,600 a year (including tax relief), the numbers stack up compellingly if invested wisely from day one.<\/p>\n Assuming an average annual return of 10% \u2014 reflective of US market returns over the past decade \u2014 the balance grows modestly at first. By age 10, the pot might stand around \u00a368,000. But the compounding effect gathers pace. By 25, it could top \u00a3450,000. By 40, it may pass \u00a32m.<\/p>\n Keep going, and at age 65 \u2014 without increasing contributions beyond inflation \u2014 the balance could exceed \u00a327m. The secret? Time, tax relief, and long-term exposure to growth assets like equities. This calculation also includes a 1% increase in annual contributions each year to account for potentially larger contributions in the future. <\/p>\n Of course, future returns aren\u2019t guaranteed, and inflation would eat into purchasing power. UK investors may also earn more modest returns with UK-focused investments and poor investment decisions can see us lose money. But even under more conservative assumptions, a child\u2019s SIPP could become a meaningful financial asset later in life.<\/p>\n Parents, grandparents, or guardians funding early SIPP contributions could give a child an extraordinary head start. And it\u2019s not just financial, but contributes to an understanding the value of investing early and often. This calculation also involves the child going on to make contributions themselves as they start working. It requires a long-term commitment.<\/p>\n It\u2019s not the flashiest strategy. It doesn\u2019t have to involve hefty bets on tech disrupters or shorting overvalued stocks. It\u2019s simply about starting early and letting compound returns do the heavy lifting.<\/p>\n Where to invest?<\/p>\n Anyone opening a SIPP for a child or loved one has several options when it comes to investing. A simple, hands-off approach might involve low-cost index-tracking funds or investment trusts. These offer instant diversification and a long-term growth orientation, making them ideal for compounding over decades.<\/p>\n Alternatively, more active investors might prefer to build a portfolio one or two stocks at a time. One company I\u2019m watching closely right now is\u00a0Synectics (LSE:SNX<\/a>). It\u2019s an AIM-listed specialist in advanced security and surveillance systems.<\/p>\n![\"\"](\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2025\/08\/IMG_0348-1200x818.jpeg\")
Source: thecalculatorsite.com<\/p>\n