Compare the long-term value of saving into an ISA versus a pension — see which wins for your situation
The full Wealth365 app combines pensions, ISAs, State Pension, property, and expenses into a complete year-by-year retirement projection with tax calculations.
Start Free Trial →Pensions offer upfront tax relief on contributions (20–45% depending on your tax band) but your money is locked until age 57. ISAs offer no tax relief on contributions but withdrawals are completely tax-free and you can access your money at any time.
Yes. You can save up to £20,000 into an ISA and up to £60,000 (or 100% of your earnings, whichever is lower) into a pension in the same tax year. Using both is often the most flexible approach.
Yes — enter your employer's contribution percentage and the calculator factors it in as part of the total pension value, since employer contributions are a significant advantage of workplace pensions that an ISA cannot replicate.
The pension total shown is after the 25% tax-free lump sum is removed and income tax is applied to the remaining drawdown at your estimated rate, so you can compare it directly with the ISA on a like-for-like basis.
Related guides & resources