About 450,000 people are set to miss out on an ‘uprated’ £234 a week state pension from 2025, a campaign group has warned.

Currently the state pension is £220 a week for those eligible for the retirement age benefit – assuming you have a full National Insurance track record to maximise your pension entitlement.

And every year thanks to a system called the Triple Lock, the amount paid out each week via the state pension is increased by one of three metrics: wage growth, inflation or 2.5…