Land Registry (2015) Land Registry Practice Guide 52—Easements claimed by prescription, available online at https://www.gov.uk/government/publications/easements-claimed-by-prescription 

This guide gives clear guidance on how the Land Registry deals with claims for easements by prescription. It also gives a very clear outline of the law on prescription.

Land Registry (2015) Land Registry Practice Guide 62—Easements, available online at https://www.gov.uk/government/publications/easements

This guide sets out the rules on registration of easements. It is quite technical, but useful if you want to check whether a particular easement should have been registered.

Law Commission (2011) Making Land Work: Easements, Covenants and Profits à Prendre, Law Com No. 327 (London: The Stationery Office, 2011) available online at http://www.lawcom.gov.uk/wp-content/uploads/2015/03/lc327_easements_report.pdf  

Law Commission (2014) Rights to Light, Law Com No. 356 (London: The Stationery Office, 2014) available online at http://www.lawcom.gov.uk/wp-content/uploads/2015/03/lc356_rights_to_light.pdf