This Practice Note summarises Article 1 of Protocol 1 of the Human Rights Act 1998 (HRA 1998). It considers the scope of the right, and the three rules it contains. It looks at the meaning of ‘posessions’ and of ‘deprivation’, and the three requirements for an interference with possessions to be permitted. It looks at states’ right to control property, positive obligations including compensation, and A1P1’s relationship with other Convention rights.