A freehold covenant is a contractual promise by the freeholder of land, which can either be a restrictive (or negative) covenant, being an agreement not to do something (for example not to erect a further building on the land), or positive, requiring the landowner to do something, such as maintain a boundary wall. Positive covenants do not generally run with the land, whereas restrictive covenants are often designed to do so, as the purpose of the covenant is to confer a benefit upon the dominant tenement, which is ordinarily land that has at some stage been retained by the transferor of the servient tenement. In respect