An update on William Old International Limited v Arya [2009] EWHC 599 (Ch) and whether the principle of non-derogation from grant of an easement obliged a grantor's successor in title to execute a deed in favour of a statutory undertaker.

Note added (01.09.17): In Practical Law Property's view, the judge's comment in this case that any right ancillary to an express easement must itself be capable of being an easement, is obiter. For more information, see Ask, Is it correct that any right ancillary to an easement must itself be capable of being an easement? .