See ECHR provisions of Article 1 First Protocol which have been incorporated into UK law by the Human Rights Act 1998.
Schedule 1, Part II, The First Protocol Article 1 Protection of property
Every natural or legal person is entitled to the peaceful enjoyment of his possessions. No one shall be deprived of his possessions except in the public interest and subject to the conditions provided for by law and by the general principles of international law.
The preceding provisions shall not, however, in any way impair the right of a State to enforce such laws as it deems necessary to control the use of property in accordance with the general interest or to secure the payment of taxes or other contributions or penalties.