This is one of four Practice Notes on adverse possession. The others are: • Establishing adverse possession of land • Claiming title by adverse possession under the Limitation Act 1980 or the Land Registration Act 1925 • Claiming title by adverse possession under the Land Registration Act 2002 Adverse possession of the demised premises by a squatter The tenant’s position A squatter will extinguish the tenant’s title to the demised premises if the squatter can show adverse possession for an uninterrupted period of at least twelve years: • at any time (where the lease is unregistered), or • before 13 October 2003 (where the lease is registered) As a result, the squatter will be entitled to apply to be registered as the proprietor. For further information, with particular reference to the position where the lease is unregistered, see HM Land Registry Practice Guide 5, para 7.1. For more information, see Practice Notes: Establishing adverse possession of land and Claiming title by adverse possession under the Limitation Act 1980 or the Land Registration Act 1925. If