What an annuity actually is
An annuity converts your pension pot into a guaranteed income for life. You hand over a lump sum to an insurance company, and they pay you a fixed amount every month until you die. Think of it as the opposite of life insurance — you're betting you'll live a long time, and the insurer is betting you won't.
You can take up to 25% of your pension as a tax-free lump sum before buying the annuity. So a £133,333 total pot gives you £33,333 tax-free cash and £100,000 to annuitise.
The income you receive depends on your age, health, the options you choose, and crucially, gilt yields at the time of purchase. Annuity providers invest your money primarily in government bonds — so when gilt yields are high (as they are now at 5.04%), annuity rates are generous. When yields were at their 0.16% low in March 2020, annuities paid almost nothing.
For a complete picture of your retirement options, our pensions hub covers the full range of choices beyond annuities.