British people can go and sleep in the park rather than allow them the use of vacant property.

I think the stupidity of that argument has been robustly refuted innumerable times but you still insist on raising it every 5 minutes.
That says a lot about the person constantly raising the issue.

The Equality and Human Rights Commission

Article 1 of the First Protocol: Protection of property.
Every natural or legal person is entitled to the peaceful enjoyment of his possessions.