How Much Money Do I Need to Retire?

Why there is no single retirement number

You'll find plenty of figures online. £300,000. £500,000. £1 million. They're often presented as if they apply to everyone.

They don't.

The amount you need to retire depends on:

• the lifestyle you want in retirement;
• your housing costs;
• your State Pension entitlement;
• any other guaranteed income;
• the age at which you retire;
• how long retirement lasts;
• inflation;
• investment returns;
• and your personal tax position.

Change any one of those factors and the number changes.

That's why the question isn't really:

"What is the magic retirement number?"

It's:

"What is the right number for me?"

Steve's observation

The most common mistake I see is people trying to work backwards from a pension balance.

They look at what they've saved and ask: "Is this enough?"

But you can't answer that question without first knowing what "enough" means for your life. Start with the lifestyle. Then work out what it costs. Then figure out whether your resources can support it.

Step 1 — Work out what retirement will cost you

Before looking at your pension balance, think about what you actually want retirement to look like.

Ask yourself:

• Where will I live?
• Will I have a mortgage or rent to pay?
• How often do I want to travel?
• What hobbies do I want to pursue?
• How much do I want to spend on family?
• What does a typical month look like?
• What does a typical year look like?

Once you have a picture of the retirement you want, you can start to put a cost on it.

This is the lifestyle-first approach. It's the only reliable way to arrive at a meaningful retirement number.

Step 2 — Understand your income sources

Not all of your retirement income needs to come from a pension pot.

You may also have:

• State Pension;
• defined benefit or final salary pension income;
• rental income;
• ISAs and savings;
• investments;
• or other assets.

For 2026/27, the full new State Pension is £241.30 per week, which is approximately £12,548 a year.

But don't assume that's what you'll receive. Your State Pension depends on your National Insurance record. Get your own State Pension forecast before building your plan.

Also check when each source of income starts. State Pension can only be claimed from State Pension age. If you retire before that, you'll need to fund the gap from other sources.

Step 3 — Calculate the gap

Once you know what retirement costs and what income you'll receive, you can identify the gap.

For example:

Desired retirement income: £35,000 a year

Expected State Pension and other guaranteed income: £18,000 a year

Gap to be funded from pensions and savings: £17,000 a year

That gap is what your pension pot, ISAs and other assets need to support.

Step 4 — Understand what your pension needs to do

Once you know the annual gap, you need to understand how long your pension needs to fill it.

Retirement can last a long time. Someone retiring at 60 could potentially need their money to support them for 30 years or more.

That's why planning purely to average life expectancy can be risky. You don't know in advance which side of the average you'll be on.

You also need to allow for:

• inflation reducing the purchasing power of your money over time;
• investment returns that may vary;
• unexpected costs;
• and changes in your spending as retirement progresses.

The Retirement Living Standards

The UK Retirement Living Standards provide a useful benchmark for thinking about retirement costs.

For 2026, they estimate annual spending for a one-person household at approximately:

• Minimum — £13,900
• Moderate — £32,700
• Comfortable — £45,400

For a two-person household:

• Minimum — £22,500
• Moderate — £45,400
• Comfortable — £62,700

These are expenditure figures, not gross income targets. They also assume home ownership and exclude rent or mortgage costs.

Use them as a reference point, not a personal retirement target.

The 25x rule

You may have come across the 25x rule. It suggests multiplying your desired annual income by 25 to estimate a target pension pot.

For example, if you want £30,000 a year from your pension, the 25x rule suggests a pot of £750,000.

It's a rough starting point. But it doesn't account for:

• State Pension or other income that reduces the amount your pot needs to provide;
• inflation;
• investment returns and their variability;
• taxation;
• charges;
• or your individual circumstances.

Use it as a sense check, not as the plan.

What Should I Do Next?

Start with the lifestyle, not the pension balance.

Write down what you want retirement to look like. Estimate what it will cost. Get your State Pension forecast. Add up your other income sources. Calculate the gap.

Then you'll have something meaningful to work with.