Dishonest Suppression of Documents

Theft Act 1968 s. 20(1)

(1) A person who dishonestly, with a view to gain for himself or another or with intent to cause loss to another, destroys, defaces or conceals any valuable security, any will or other testamentary document or any original document of or belonging to, or filed or deposited in, any court of justice or any government department shall on conviction on indictment be liable to imprisonment for a term not exceeding seven years.