In common with other major landowners such as the Church of England, the Crown Estates, the Duchy of Cornwall and of Lancaster and others, Northumberland Estates (‘the Estate’) is in the process of registering historic mineral and manorial rights following changes in the law governing land registration. This is happening across England and Wales as landowners follow a new official process of registration for certain centuries old rights to minerals. Northumberland Estates is a privately owned family business, which represents the business interests of the Duke of Northumberland and the Percy family and its various Trusts. It is worth stating at the outset that the private ownership of minerals does not extend to oil and gas, or to coal reserves which are vested in the State, neither to gold and silver deposits which are owned by the Crown. As a result of the registration process, property owners with land where these minerals rights are being registered may receive notification from the Land Registry. This will undoubtedly raise questions so, in an effort to reassure, we have compiled a list of the most Frequently Asked Questions which we hope may be of assistance to those affected.