Investors Need £906 Monthly to Build £300,000 SIPP in 15 Years

2 articles · Updated · twelfthmagpie.com · Aug 2

A £300,000 SIPP target over 15 years would require £1,133 a month assuming a 5% annual compound return, according to the article’s example.
Tax relief cuts the investor’s own monthly outlay to just over £906, with higher- and additional-rate taxpayers potentially needing to contribute even less.
The 5% return assumption is framed as achievable through diversified holdings in large blue-chip shares, though losses and dividend cuts could derail the plan.
Reckitt Benckiser is cited as one candidate for such a portfolio, offering a 4.1% yield, trading at 11 times earnings and gaining support from recent results despite an 8% five-year share-price decline.
The piece argues that even investors starting in their 50s may still have enough time to build a meaningful retirement pot, while stressing that tax treatment depends on individual circumstances.