Hi Lee
Welcome to the forum.
You might want to have a look at the following FAQ which explains where everything is;
www.benefitsandwork.co.uk/guides-for-claimants/faq/forum It is not something we come across frequently on the forum but we do hear from members that they have been asked to produce bank statements. During Covid proof of identity took a back seat and DWP are now catching up.
Unless you have come into inheritance or a win fall, there is usually nothing to worry about.
Gary
