An inventory is a binding legal document that provides an accurate written record of the condition and contents of a property at the beginning of a tenancy. Since the introduction of a legal requirement to bond a tenant’s deposit in an approved scheme it has never been more important to have an inventory, In order to deduct monies from a tenant’s deposit, you must be able to demonstrate changes beyond reasonable wear and tear. The only way to do that is with an inventory. preferably prepared by an independent company such as 3CPI