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Guide: How to plan for a 100-year life

May 8, 2026
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5 mins
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The number of people celebrating their 100th birthday in the UK is on the rise. As life expectancy continues to increase, it is more important than ever to plan financially for a 100-year life.

According to the Office for National Statistics (ONS), there were 16,600 centenarians in 2024 – double the number in 2004 (21 October 2025).

Among those marking the milestone this year is the renowned natural historian Sir David Attenborough. The broadcaster turned 100 on 8 May, and he continues to share his passion for nature with the world.

Attenborough shows that entering later life doesn’t have to mean taking a step back. You could still embrace new experiences and create a life you love.

However, planning for a 100-year life often raises important questions about how to arrange your finances to secure the life you want, including how to ensure you have “enough” and what strategies are appropriate for you.

This guide explores some of the steps you might take to plan for a 100-year life.

Download your copy here: How to plan for a 100-year life

If you have any questions about planning for your later years, please get in touch.

Please note: This guide is for general information only and does not constitute advice. The information is aimed at individuals only.

All information is correct at the time of writing (April 2026) and is subject to change in the future.

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Your Questions, Answered

Frequently Asked Questions

1. What services does Sustainable WM offer?

Once we have assessed your financial health, we develop customized solutions tailored to your specific needs and goals. Our team of experts works closely with you to design a personalized financial plan that addresses your unique challenges and objectives. Whether you're looking to grow your wealth, plan for retirement, or manage debt, we create a plan that is tailored to your individual circumstances.

2. How do you customize financial advice for each client?

Once we have assessed your financial health, we develop customized solutions tailored to your specific needs and goals. Our team of experts works closely with you to design a personalized financial plan that addresses your unique challenges and objectives. Whether you're looking to grow your wealth, plan for retirement, or manage debt, we create a plan that is tailored to your individual circumstances.

3. What is your fee structure?

Once we have assessed your financial health, we develop customized solutions tailored to your specific needs and goals. Our team of experts works closely with you to design a personalized financial plan that addresses your unique challenges and objectives. Whether you're looking to grow your wealth, plan for retirement, or manage debt, we create a plan that is tailored to your individual circumstances.

4. How do you ensure the security of my financial information?

Once we have assessed your financial health, we develop customized solutions tailored to your specific needs and goals. Our team of experts works closely with you to design a personalized financial plan that addresses your unique challenges and objectives. Whether you're looking to grow your wealth, plan for retirement, or manage debt, we create a plan that is tailored to your individual circumstances.

5. What makes your firm different from other financial advisors?

Once we have assessed your financial health, we develop customized solutions tailored to your specific needs and goals. Our team of experts works closely with you to design a personalized financial plan that addresses your unique challenges and objectives. Whether you're looking to grow your wealth, plan for retirement, or manage debt, we create a plan that is tailored to your individual circumstances.