NB. It's article 11 of the European Convention on Human Rights[1] which gives us "the right to freedom of peaceful assembly and to freedom of association with others, including the right to form and to join trade unions for the protection of his interests."
Reform's manifesto includes[2]: "Stop the Boats with our 4 Point Plan. Leave the European Convention on Human Rights."
[1] https://fra.europa.eu/en/law-reference/european-convention-h...
[2] Page 5 of https://reformuk.org.uk/wp-content/uploads/2025/10/Reform_UK...