It includes buildings and structures in the Isle of Man designated by Isle of Man's Department of Environment, Food and Agriculture (DEFA) "as having special architectural or historical interest".
[1] It also lists the 21 Conservation Areas, historic districts" which protect "period"-type architecture, quality of building materials, relationships of enclosures and open spaces, and other aspects of the look and feel of historic buildings and areas.
[1] Thatching in the Isle of Man include a group of thatched houses at Cregneash Folk Museum,[6] which are Manx National Heritage property, whose buildings and land are excluded from the register.
[7] The 21 Conservation Areas include nine swaths of properties in the capital town of Douglas, and swaths in towns of Peel, Castletown, and Ramsey, and sections in nine village centers or other areas.
[13][14][15][16][17] The status of this site is currently under review in 2018; the old building has been deemed "surplus" and is no longer used by the police, and had been put up for sale.