Technically, legal proceedings could be taken against you in the UK. Realistically - most of the stuff covered by Crown Copyright falls under the Open Governmen

Technically, legal proceedings could be taken against you in the UK. Realistically - most of the stuff covered by Crown Copyright falls under the Open Government License and is free to use once attributed. https://www.cla.co.uk/crown-copyright https://www.cla.co.uk/crown-copyright https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ https://www.nationalarchives.gov.uk/doc/open-government-lice...