MTTM Podcast Episode 517 – Savings rate traps & Why you might need to ditch the 4% retirement rule

Listen to Episode 517

In this week's podcast, I explain how the rise of short-term 'bonus' rates are creating a price war amongst providers. I reveal how these type of rates can leave you worse off as a saver before explaining how you can calculate the effective annual rate to see what you’re really earning. Then, I look at whether the classic 4% retirement rule is still fit for purpose. With potential inheritance tax changes on the horizon, new research suggests a much higher withdrawal rate for those who want to spend their pension pot in their lifetime.

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Episode 517 Podcast Summary

Savings Rate Traps To Be Aware Of

Summary

I explain that while the current savings rate "price war" looks attractive, many top deals are misleading. Providers are using short-term three-month bonus rates to climb to the top of Best Buy tables, relying on customer inertia to keep them on a much lower underlying rate once the bonus expires. Similarly, high-interest regular saver accounts can be deceptive, as the headline rate doesn't apply to the full amount deposited over the year. I explain the maths to help you see what you’ll actually earn and avoid these common traps.

Key insights

• Beware of short-term bonuses: Many top rates include a bonus that expires after just three months. Research shows 60% of people don't switch their money afterwards, ending up on a much lower rate.
• Calculate the effective rate: To compare accounts fairly, work out the effective annual rate. For an account offering 4% for 3 months and 2% for the remaining 9 months, the effective rate is just 2.5%. The calculation is (4%×0.25) + (2%×0.75) = 2.5%.
• Halve regular saver rates: As a rule of thumb, when you see a high rate on a regular saver, halve it for a more realistic comparison against a lump sum account. For example, a 7% regular saver provides a return closer to a 3.5% standard savings account.
• Check the small print: Watch out for restrictions, such as limits on the number of withdrawals or minimum balance requirements, which could cause you to lose your bonus rate.
• Set a reminder: If you do take an account with a bonus, set a calendar reminder for when it expires so you remember to move your money and secure a better deal.

Is the 4% Rule Outdated?

Summary

I revisit the well-known 4% rule for retirement withdrawals - a guideline designed to make your pension pot last for 30 years. However, with potential changes from April 2027 that could subject pensions to inheritance tax, the goal for many might shift from preserving wealth to spending it. We explore new analysis that suggests if your aim is to deplete your pension pot by age 90, the 4% rule is far too conservative. A higher withdrawal rate of around 6.3% to 6.5% could be more appropriate, allowing you to enjoy more of your money in retirement.

Key insights

• The 4% rule isn't forever: It was designed to provide a sustainable income for a 30-year period, not for your entire retirement, and doesn't account for tax.
• Tax changes everything: The potential application of inheritance tax to pensions is prompting retirees to consider spending their funds more quickly to avoid passing on a large tax bill to their heirs.
• A higher withdrawal rate may be suitable: For a 67-year-old wanting to spend their entire pot by age 90, research shows a starting withdrawal rate of 6.5% could be sustainable for that goal. This is significantly more than the £15,000 a year from a £500,000 pot suggested by the 4% rule.
• Seek Advice: The tax rules have not yet changed. This discussion is a reminder to review your financial plan when legislation or your personal goals change. Always seek advice.
• Other strategies exist: The 4% rule is just one option. Alternative methods, such as dynamic spending strategies that adjust your income based on investment performance, can also be effective.

Episode quiz 

1. What is a simple way to estimate the true return on a regular savings account?
a) Double the advertised interest rate
b) Subtract 2% from the advertised rate
c) Halve the advertised interest rate
d) Divide the maximum monthly deposit by 10

2. According to research by Interactive Investor, what percentage of people fail to move their money when a bonus savings rate expires?
a) 20%
b) 30%
c) 50%
d) 60%

3. What would be the effective annual rate of an account that pays 5% for three months and 3% for the remaining nine months?
a) 3.0%
b) 3.5%
c) 4.0%
d) 4.5%

4. The traditional 4% retirement rule was designed to make a pension pot last for how long?
a) 10 years
b) 20 years
c) 30 years
d) The rest of your life

5. What potential change to tax rules is causing people to reconsider the 4% rule?
a) Pensions potentially becoming subject to Inheritance
b) The removal of the 25% tax-free lump sum
c) A rise in income tax rates
d) An increase in Capital Gains Tax on investments

Answers

1. c) Halve the advertised interest rate
2. d) 60%
3. b) 3.5%
4. c) 30 years
5. a) Pensions potentially becoming subject to Inheritance

Resources

Links referred to in the podcast:

• Try our AI guidance tool 'DaMoney' - Ask it any money question
• Best Savings Accounts in the UK
• Is the 4% rule dead? - Article by Laura Miller
• Sign Up To The MTTM Weekly Newsletter

 

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