The Museum itself is free, and there is a bag scan policy, free audio guide when we attended. Taking photographs is allowed. Activity sheets for children graded by age group during school holidays. The Free map colour codes the sections of the museum made it all the more easy to navigate.
How to find the Bank of England Museum
Bank of England Museum, Bartholomew Lane, Cornhill, City of London, Greater London, England, EC2N 2AX, United Kingdom