A registry of deeds is a public office where certain legal documents affecting land and property are recorded and indexed, allowing third parties to search title and priority of interests. It is mainly associated with “deeds registration” systems, as distinct from modern title registration.In Ireland and Northern Ireland, the Registry of Deeds (established by statute) records deeds and other instruments affecting unregistered land. Registration there generally protects the priority of the deed against later instruments but does not itself guarantee title; title still depends on the underlying documents and their validity.In England and Wales and in Scotland, the term is used more descriptively, as the primary systems are the Land Registry (HM Land Registry) and the Registers of Scotland. Historically, both jurisdictions had deed‑based or sasine-style recording systems, but these have largely been superseded by title registration.In practice, registries of deeds are crucial for due diligence, conveyancing, mortgages, investigating encumbrances, and resolving priority disputes, particularly where land remains outside the title register or where historic deeds must be traced.