“27. The acquisition of easements by long uninterrupted user that has been open, free from force and not dependent upon any precatory permission from the servient owner serves a well recognised public policy. In Davis v Whitby[1974] Ch 186 Lord Denning MR said, at p 192, that "the long user as of right should by our law be given a lawful origin if that can be done", and Stamp LJ, agreeing with Lord Denning, commented: "if long enjoyment of a right is shown, the court will strive to uphold the right by presuming that it had a lawful origin." More recently Lord Hoffmann in R v Oxfordshire County Council, Ex p Sunningwell Parish Council[2000] 1 AC 335 said, at p 349, that "Any legal system must have rules of prescription which prevent the disturbance of long-established de facto enjoyment."”
“[i]f the enjoyment is equally consistent with two reasonable inferences, enjoyment as of right is not established …”