This is one of the most common midlife money questions in the UK. The maths often points one way. Your peace of mind may point the other.
If your mortgage costs 4% and your pension might grow at 5% to 6% over time, keeping money invested can produce a better long-term result on paper. This can look even stronger if you are a higher-rate taxpayer and benefit from pension tax relief.
None of that changes the fact that being debt-free feels powerful. A cleared mortgage lowers the income your household needs every month. That can make retirement easier, make one partner leaving work more realistic, and reduce the emotional stress of market volatility.
The financially best answer and the emotionally best answer are not always the same. If overpaying your mortgage helps you feel in control, reduces household risk, and supports earlier retirement choices, that can be a perfectly rational decision even if the spreadsheet says otherwise.
PensionBud helps you compare retirement outcomes under different contribution and withdrawal choices so you can judge the trade-off more clearly.