Retirement Planning — Why the Realistic Pension Pot Might Be Far Higher Than You Think

When you picture retirement, you probably imagine freedom: more travel, time with family, hobbies, or simply not having to worry about the bills every month. The tricky bit is that the pension pot needed to pay for that life is often a lot bigger than people expect.

The Pensions & Lifetime Savings Association’s Retirement Living Standards give us clear, practical yearly spending benchmarks for retirees — and the numbers for couples are significantly higher than many assume.

What the Retirement Living Standards actually say

The RLS give three spending “standards” (annual amounts) based on real household spending patterns:

• Minimum — just the essentials plus a little social life: £13,400 (one person) / £21,600 (two people).
• Moderate — more security, an annual holiday and modest social spending: £31,700 (one person) / £43,900 (two people).
• Comfortable — more freedom for holidays, a newer car, eating out and extras: £43,900 (one person) / £60,600 (two people). [Retirement Living Standards]

(If you’re a couple, that comfort figure — £60,600 a year — is the important one to notice.)

How to turn an annual spending target into a pot target

A simple and commonly used rule-of-thumb is the “multiply by 25” method (which is derived from the “4% withdrawal rule”): multiply the annual amount you need from savings by 25 to estimate the pension pot required to sustainably fund that spending over retirement. Financial commentators use it as a starting point — advisers then refine it for your personal situation. [Fidelity International]

Here are a few worked examples (easy to follow):

• Couple aiming for a Comfortable lifestyle (£60,600/year):
  £60,600 × 25 = £1,515,000 (net required amount).
• Most couples will get some help from the State Pension. The full new State Pension (2025/26 rate) is £230.25/week, which equals £11,973/year per person. So a couple receiving the full new State Pension would get £11,973 × 2 = £23,946/year in guaranteed income from the State. GOV.UK

So, for a Comfortable couple:

• • Required annual top-up from private savings = £60,600 − £23,946 = £36,654.
  • Pot required = £36,654 × 25 = £916,350.
• Moderate couple (£43,900/year):
  • Needed from savings after State Pension = £43,900 − £23,946 = £19,954.
  • Pot required = £19,954 × 25 = £498,850.
• Minimum couple (£21,600/year):
  • The full State Pension (£23,946 combined) would already exceed the Minimum level, so State Pension alone can cover a Minimum standard for many couples (subject to qualifying years and personal circumstances).

These calculations are handy starting points — they show why “comfortable” living can need high six-figure or low seven-figure retirement savings for couples once you factor in realistic living costs.

Why people commonly underestimate what they’ll need

• Longevity — people live longer; a 30+ year retirement isn’t unusual.
• Inflation — rising prices chip away at purchasing power over time.
• Lifestyle creep — “just the basics” often becomes more than that once you’re retired.
• Relying on one source — assuming property, state pension or one pot will cover everything is risky.

Practical steps to narrow the gap

1. Work backwards from the lifestyle you actually want. Use the RLS numbers to set a target, then map how much you need to save.
2. Start (or increase) regular savings now. Compound growth is powerful: starting earlier dramatically reduces how much you must save later.
3. Use tax-efficient wrappers: pensions (with tax relief) and ISAs (tax-free growth and withdrawals) are complementary.
4. Check your State Pension forecast. Not everyone gets the full new State Pension; check your NI record and consider topping up qualifying years if needed.
5. Review and stress-test your plan annually. Model different withdrawal rates, investment assumptions and life spans.
6. Talk to a financial planner. Rules of thumb are useful, but a personalised plan accounts for tax, annuity options, part-time income, downsizing and legacy wishes.

Our Take

We treat retirement planning the same way we’d plan any big trip: start with the destination (the lifestyle you want), work out the route (income sources), and identify the fuel stops (savings, tax wrappers, insurance).

This might sound daunting, but it’s also empowering: having clear numbers makes it far easier to take practical steps today that change the outcome tomorrow.

Want a personalised calculation that accounts for your State Pension forecast, desired legacy and tax situation? Book a retirement review with Thrive and we’ll run the numbers for you.

• This blog is for information purposes and does not constitute financial advice, which should be based on your individual circumstances.