Is there an account that either you, or someone in your close family might have opened within the last few decades? Have look to see if you can dig out any old paperwork you might have.
If you can find any paperwork, you can then track down that lost money using the free service: My Lost Account., external
It takes around 5 minutes to complete and once you’ve done that, you’ll be sent email alerts once the banks or building societies have completed their search.
