In the evolution of English land law, fee simple (feodum simplex) represents the zenith of proprietary interest a subject can hold under the Crown. Emerging from the feudal matrix, it signifies an estate of inheritance that is not subject to the conditions of entailment, meaning it can be alienated at will or passed to general heirs, whether lineal or collateral. While the legal fiction remains that all land is held 'of the King' as lord paramount, the fee simple holder possesses the closest approximation to absolute ownership known to the common law.
Historically, the creation of a fee simple required the specific 'words of limitation'—namely 'to A and his heirs'—to distinguish it from a life estate or a fee tail. In the context of the nobility, the fee simple was the bedrock of territorial power, providing the financial independence necessary to sustain a peerage. Unlike the fee tail, which sought to keep estates intact through primogeniture, the fee simple allowed for the fragmentation or sale of manorial lands, reflecting the transition from rigid feudal service to a more fluid landed economy.