Pension Drawdown Calculator UK

WeCovr Editorial Team · experienced insurance advisers
Last updated Feb 2, 2026



TL;DR

Your Guide to Sustainable Retirement Income Unlock Smart Pension Drawdown Decisions with Our UK Calculator Planning for retirement is one of the biggest financial journeys of your life. You've spent decades saving into your pension pot, and now it's time to think about how to turn that pot into a regular, sustainable income. This is where pension drawdown comes in, offering flexibility but also requiring careful management.

Key takeaways

  • Buy an Annuity: This is like fitting a tap to your reservoir that releases a fixed, guaranteed amount of water (income) for the rest of your life. It's secure but inflexible.
  • Use Pension Drawdown (or Flexi-Access Drawdown): This is like managing the reservoir yourself. You decide how much water to take and when, leaving the rest invested. This offers great flexibility, but you also take on the risk that the reservoir might run dry if you take too much or if there's a "drought" (poor investment performance).
  • Your Current Age: Enter your age today.
  • Planned Retirement Age: At what age do you plan to start taking an income from your pension? This is typically 55 or older (rising to 57 from 2028).
  • Your Pension Pot Size (£): Enter the total value of the defined contribution pensions you plan to use for drawdown. Don't include your State Pension or any defined benefit (final salary) pensions here.

Your Guide to Sustainable Retirement Income Unlock Smart Pension Drawdown Decisions with Our UK Calculator

Planning for retirement is one of the biggest financial journeys of your life. You've spent decades saving into your pension pot, and now it's time to think about how to turn that pot into a regular, sustainable income. This is where pension drawdown comes in, offering flexibility but also requiring careful management.

Making the right choices can feel daunting. How much can you afford to take out each year? How long will your money last? What happens if your investments don't perform as expected?

Our free Pension Drawdown Calculator is designed to cut through the complexity. It helps you model different scenarios, understand the impact of your decisions, and plan for a comfortable retirement with confidence.

What is Pension Drawdown?

Think of your pension pot like a large reservoir of water you've collected over your working life. When you retire, you have two main choices for how to use it:

  1. Buy an Annuity: This is like fitting a tap to your reservoir that releases a fixed, guaranteed amount of water (income) for the rest of your life. It's secure but inflexible.
  2. Use Pension Drawdown (or Flexi-Access Drawdown): This is like managing the reservoir yourself. You decide how much water to take and when, leaving the rest invested. This offers great flexibility, but you also take on the risk that the reservoir might run dry if you take too much or if there's a "drought" (poor investment performance).

With drawdown, you can usually take up to 25% of your pension pot as a tax-free lump sum upfront. The remaining 75% is moved into a drawdown fund, where it stays invested. Any income you then "draw down" from this fund is taxed as regular income.

How to Use Our Pension Drawdown Calculator

Our calculator is a simple tool to help you forecast your retirement income. By changing the numbers, you can see instantly how different choices might affect how long your pension pot lasts.

Step-by-Step Guide:

  1. Your Current Age: Enter your age today.
  2. Planned Retirement Age: At what age do you plan to start taking an income from your pension? This is typically 55 or older (rising to 57 from 2028).
  3. Your Pension Pot Size (£): Enter the total value of the defined contribution pensions you plan to use for drawdown. Don't include your State Pension or any defined benefit (final salary) pensions here.
  4. Desired Annual Income (£): How much income would you like to take from your pot each year after any tax-free cash? Remember, this income is taxable.
  5. Assumed Investment Growth (%): Your drawdown fund remains invested. This is the average annual growth you expect your investments to achieve after fees. A typical moderate forecast might be 4-5%, but this depends on your attitude to risk.
  6. Assumed Inflation Rate (%): This is the rate at which the cost of living increases. The Bank of England's long-term target is 2%. Using this figure helps you see how the 'real value' of your money might change over time.

Understanding Your Results

Once you hit 'Calculate', the tool will show you:

  • How long your pension pot will last: The results will project the age at which your fund is likely to run out, based on the figures you entered.
  • A year-by-year breakdown: You will see a table or chart showing the fund's value depleting over time. This visual guide makes it easy to understand the long-term forecast.

Worked Example: Meet David

Let's see how the calculator works in practice.

  • Illustrative estimate: David is 58 and has a pension pot of £400,000.
  • Illustrative estimate: He plans to retire at 66 and wants an annual income of £20,000.
  • He assumes 4% investment growth and 2% inflation.

David enters these figures into the Pension Drawdown Calculator.

The result shows that, under this scenario, his pension pot is projected to last until he is 93 years old. David feels this is a good outcome, but he decides to run another scenario where he takes a slightly lower income of £18,000 per year. The new result shows his pot would last until he is 99, giving him an extra buffer.

Common Drawdown Mistakes to Avoid

Flexibility is great, but it comes with responsibility. Avoid these common pitfalls:

  • Withdrawing Too Much, Too Soon: Taking large sums in the early years of retirement can severely damage the long-term sustainability of your pot. This is known as 'sequence of returns risk' – if your fund value falls just as you take a big withdrawal, it's very hard to recover.
  • Ignoring Inflation (illustrative): £20,000 today will not buy you the same amount of goods in 20 years. If your withdrawals don't account for inflation, your standard of living will fall.
  • Being Too Cautious with Investments: While you want to protect your capital, being overly cautious means your fund may not grow enough to beat inflation and support your withdrawals over a long retirement.
  • Forgetting About Tax: The money you draw down is added to your other income (like the State Pension) and taxed accordingly. A large withdrawal could push you into a higher tax bracket.
  • Setting and Forgetting: Your circumstances, investment performance, and health can all change. You should review your drawdown strategy at least once a year.

What to Do After You Get Your Result

The result from our calculator is a powerful starting point for your planning. Here’s what to do next:

  1. Test Different Scenarios: What happens if investment growth is lower? What if you live to 100? What if you reduce your desired income by 10%? Use the calculator to understand your best and worst-case scenarios.
  2. Consider All Your Income: Your drawdown pot is just one piece of the puzzle. Factor in your State Pension, any other pensions, and any savings or investments you have.
  3. Seek Professional Advice: The calculator provides a forecast, not financial advice. A regulated financial adviser can create a personal recommendation based on your complete financial picture and goals.
  4. Think About Protection: A solid financial plan isn't just about income; it's also about protecting yourself and your family from the unexpected.

Protecting Your Retirement and Your Health

Your pension provides financial security, but an unexpected illness could create significant costs and disrupt your retirement plans. That's why it's wise to consider other forms of protection alongside your pension.

At WeCovr, we're expert brokers who help UK customers find the right cover. We believe in a holistic approach to financial wellbeing.

  • Private Medical Insurance (PMI): The NHS is fantastic, but waiting lists can be long. PMI can give you fast access to eligible medical treatment. It's important to know that UK PMI is designed to cover acute conditions that arise after you take out a policy. It does not cover pre-existing or chronic conditions like diabetes or high blood pressure.
  • Life Insurance: If you have a partner or dependants who rely on your income, life insurance provides them with a lump sum or regular payments if you pass away. This can ensure they are financially secure, able to pay off a mortgage, and maintain their standard of living.

As a WeCovr customer, you also get complimentary access to CalorieHero, our AI-powered calorie tracking app, to help you stay on top of your health goals. Furthermore, if you take out a life insurance or PMI policy with us, we can often offer discounts on other types of cover you might need.

Frequently Asked Questions (FAQ)

1. What is a "safe" withdrawal rate for pension drawdown? There's no single 'safe' rate, as it depends on your age, fund size, investment growth, and lifespan. Historically, a rate of around 3-4% per year was often quoted, but this is just a rule of thumb and may not be suitable for everyone. Using our calculator can help you model a rate that works for your situation.

2. Can I still contribute to my pension while I am taking a drawdown income? Yes, but be aware of the Money Purchase Annual Allowance (MPAA). Once you flexibly access your pension (i.e., take any income beyond your tax-free lump sum), the amount you can contribute to your defined contribution pensions each year and still get tax relief is significantly reduced.

3. What happens to my drawdown pension pot when I die? One of the key benefits of drawdown is that any money left in your pot can be passed on to your beneficiaries. If you die before age 75, they can usually inherit the entire pot tax-free. If you die after 75, they will pay income tax on any withdrawals they make from it.

4. Is pension drawdown better than an annuity? Neither is inherently "better"—they serve different needs. Drawdown offers flexibility and the potential for investment growth, but with risk. An annuity provides a guaranteed income for life, offering security but no flexibility. Some people use a combination of both.

5. How is pension drawdown income taxed? Your drawdown income is added to any other taxable income you have in that tax year (e.g., State Pension, part-time earnings) and is taxed at your marginal rate of income tax. You will have a personal allowance (£12,570 for 2024/25) before any tax is due. (illustrative estimate)

Take Control of Your Retirement Today

Understanding how long your pension pot might last is the first step towards a secure and worry-free retirement. Stop guessing and start planning.

Use the free Pension Drawdown Calculator now to model your future. Once you have your results, speak to the friendly team at WeCovr to explore how protection like life insurance or private medical insurance can complete your financial plan.

Sources

  • Office for National Statistics (ONS): Mortality, earnings, and household statistics.
  • Financial Conduct Authority (FCA): Insurance and consumer protection guidance.
  • Association of British Insurers (ABI): Life insurance and protection market publications.
  • HMRC: Tax treatment guidance for relevant protection and benefits products.
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WeCovr is an FCA‑regulated insurance broker. We may earn a commission if you purchase a policy via us. This guide is written to be impartial and informational.


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