You’ve hit on a growing trend among financially savvy parents! Saving £100 a month into a pension for your child, even though they won’t access it until 57 (or potentially later, as the minimum pension age is set to rise), leverages some incredibly powerful financial principles.
Here’s why a growing number of parents are choosing this long-term strategy:
1. **The Unstoppable Power of Compounding:** This is the *biggest* reason. Starting at birth (or very young) means the money has 50-60 years to grow. Even a modest annual return, compounded over decades, can turn relatively small contributions into a very substantial sum.
* **Example:** If you contribute £100/month (which becomes £125/month with basic rate tax relief) and it grows at an average of 5% per year, after 57 years, the pot could potentially be worth **hundreds of thousands of pounds**, significantly more than the total contributions. This “money making money” effect is exponential.
2. **Generous Tax Relief on Contributions:**
* **Instant Boost:** For every £80 you contribute to a child’s pension (a Junior SIPP), the government automatically adds £20, effectively “topping up” the payment to £100. This is basic rate tax relief (20%). This means your £100 actual contribution becomes £125 in the pension pot *before* any investment growth.
* **Tax-Free Growth:** The investments within the pension grow free of UK income tax and capital gains tax. This allows the compounding effect to work even more efficiently without being eroded by annual taxes.
3. **Future-Proofing & A Massive Head Start:**
* **Retirement Security:** You’re giving your child an incredible head start on their own retirement planning, potentially reducing future financial stress and allowing them greater flexibility in their later working lives.
* **Adapting to Rising Pension Ages:** With state pension ages constantly being reviewed and likely to increase, having a private pension started so early helps mitigate some of that uncertainty. The current private pension access age of 57 is due to rise to 58 in 2028, and it’s highly likely to keep moving upwards in line with increasing life expectancy.
4. **Forced Saving & Protection from Impulse:**
* **Locked Away:** Unlike a Junior ISA (JISA) where the child gets access at 18, a pension is locked away until their minimum retirement age. This prevents them from cashing it in for a car, a gap year, or a house deposit, ensuring it serves its intended purpose: retirement.
* **Financial Discipline:** It instills a sense of long-term financial planning, even if they aren’t actively managing it themselves for many years.
5. **Estate Planning Benefits:** While less common for children’s pensions, pensions are generally outside of an individual’s estate for inheritance tax purposes.
**Important Considerations (The Trade-offs):**
* **Illiquidity:** This is the main drawback. The money is inaccessible for any other purpose (university fees, house deposit, wedding, etc.) until many decades later.
* **Future Legislation:** Pension rules and tax relief can change over such a long period. While the current benefits are substantial, there’s no guarantee they will remain identical.
* **Control:** While parents usually contribute, the pension technically belongs to the child and they gain control over investment decisions (though not access) at age 18.
In summary, opening a pension for your children, despite the incredibly long wait until access, is a strategic move driven by the unparalleled benefits of long-term compounding and significant tax advantages, providing an incredible foundation for their future financial security. Many parents choose to combine this with other savings vehicles like Junior ISAs (JISAs) to provide both long-term retirement savings and more accessible funds for earlier life goals.

