Pension experts share new £300 retirement ‘rule of thumb’ | Personal Finance | Finance

Millions of workers could get a clearer picture of how much they need for retirement thanks to a new “Rule of 300.” The retirement specialist says the simple rule of thumb can help people translate everyday bills and subscriptions into the level of pension savings needed to guarantee those costs for life.

Retirement specialists at Standard Life have introduced the “Rule of 300,” a calculation showing that around £300 of pension savings is required to secure £1 of guaranteed monthly retirement income for life through an inflation-linked annuity. Based on current annuity rates for a healthy 65-year-old of around 4.99%, the rule is intended to make pension planning easier to understand by linking everyday costs directly to the size of pension pot needed to fund them for life.

Under the approach, multiplying any monthly expense by 300 yields an estimate of the pension savings required to permanently cover it.

For example, a £12 monthly streaming subscription would require about £3,600 in pension savings, while a £25 mobile phone contract would require about £7,500.

A £30 broadband bill would need around £9,000, a £50 gym membership roughly £15,000, and a £75 golf club membership around £22,500. Even higher annual costs, such as a £3,500 car expense, translate to approximately £87,500 in pension savings.

Pete Cowell, head of annuities at Standard Life, said: “The Rule of 300 turns retirement planning into something real that people can relate to. It shows, in simple pounds and pence, how everyday monthly costs translate into the pension savings needed to cover them for life.

“Too often, pensions feel abstract. By linking retirement income back to familiar bills and subscriptions, the Rule of 300 helps people picture what their pension really needs to deliver, and plan with much greater confidence.”

The Rule of 300 is broadly similar to the widely used “4% drawdown rule”, which suggests retirees need savings worth around 25 times their annual spending.

However, Standard Life warned that drawdown strategies carry more risk because pension income depends on investment performance and withdrawal levels.

The company said previous analysis showed a £100,000 pension pot could last for life if withdrawals stayed at £4,000 annually and investment growth remained above 5%. But the same pot could run out in as little as 13 years if withdrawals were higher and investment returns were weaker.

Mr Cowell added: “Understanding your day‑to‑day spending is one of the most important parts of retirement planning. The State Pension will cover some core costs, but for most people it won’t stretch to everything they want or need in retirement.

“Whether someone uses an annuity, drawdown, or a combination of both, being clear about essential spending can make a real difference to long‑term financial security.

“If people need support, getting guidance or speaking to a financial adviser before making major retirement decisions can really help.”