The biggest mistakes people make when planning for retirement often stem from two emotions: fear and guesswork. For some, looking at their parents or grandparents who had guaranteed final salary pensions and a full State Pension can make retirement today seem almost impossible. The days of gold-plated pensions are essentially over, and this shift can lead people to make costly errors in pursuit of the “perfect” retirement.
In this article, we explore five of the biggest mistakes people make when preparing for retirement — and how to avoid them.
Mistake 1: Underestimating How Long Retirement Lasts
One of the biggest mistakes is assuming retirement will be short. When the State Pension age was 65, it was introduced at a time when many people only lived a few years beyond that age. Today, things look very different.
- The average life expectancy in the UK is now 85 for men and 88 for women.
- There’s a 1 in 4 chance of living into your 90s.
That means retirement could last 30 years or more — almost as long as your working life. A good retirement plan isn’t just about reaching the finish line; it’s about staying financially secure for the long haul.
Mistake 2: Not Having a Clear Spending Plan
Many people approach retirement with a savings goal (e.g. £30,000 per year) without any fundamental understanding of what they’ll need. This is one of the biggest mistakes — planning based on a generic figure rather than your lifestyle.
We’ve worked with clients needing as little as £1,000 a month and others who need £5,000. Everyone is different.
Spending also changes throughout retirement:
- Early retirement is often more active and costly (travel, hobbies).
- Later years may see reduced costs or increased care needs.
Building a spending plan that reflects your personal goals and changing needs is essential.
Mistake 3: Relying Too Heavily on the State Pension
While the State Pension (currently £221.20 per week) provides a secure income foundation, it often covers little more than basic needs.
Assuming this will be enough is a common retirement mistake. For most people, a comfortable lifestyle in retirement requires:
- Personal or workplace pensions,
- ISA savings,
- Property or other investment income.
Diversifying your income sources reduces reliance on the State Pension and adds flexibility.
Mistake 4: Ignoring Inflation and Tax
Another significant mistake is viewing your income goal as a static number. Earning £30,000 today isn’t the same as earning £30,000 in 20 years. Two key things are often forgotten:
- Inflation erodes the value of money over time.
- Tax: Many pension withdrawals are taxable and should be planned for accordingly.
In the US, a “Withdrawal Policy Statement” is often used to incorporate inflation, tax planning, and portfolio sustainability considerations. This is something we increasingly integrate for our clients as well.
Mistake 5: Delaying Planning or Taking Advice Too Late
DIY investing can give people confidence, but it can also create blind spots. Believing you can do it all yourself is one of the biggest mistakes.
- The longer you delay saving or seeking advice, the fewer options you may have.
- Choosing the wrong retirement income option (annuity, drawdown, lump sum) could leave you exposed to unnecessary tax or market risk.
While advice has a cost, the potential savings and peace of mind can far outweigh it.
Conclusion: Avoid the Mistakes and Plan Ahead
Retirement doesn’t have to be scary or confusing. Avoiding the biggest mistakes — underestimating longevity, failing to plan, over-relying on the State Pension, ignoring tax/inflation, or going it alone — can give you a clear path to financial freedom.
Whether your retirement is 20 years away or just around the corner, speak to the team at Manning Gee Investments. We’re here to help you plan with confidence, clarity, and purpose.
General disclaimer: We sourced the data from external providers. While we strive for maximum accuracy, we cannot guarantee the reliability of the data they supply. The author writes the introduction from their perspective, reflecting their views, which may not align with those of Manning Gee Investments. Anyone considering a product or service based on this blog should seek professional advice or conduct their own research before deciding. The author bears no liability for decisions made based on this blog. Investments can rise and fall in value, and the return at the end of the investment period is not guaranteed—you may receive less than you originally invested.