The Historic Environment Viewer (HEV) is a free-to-use digital service provided by the Department of Housing, Local Government and Heritage. It has been developed to facilitate online access to the spatial datasets of the National Monuments Service and the National Inventory of Architectural Heritage (NIAH).
Launch Historic Environment Viewer application
Download Historic Environment Viewer User Guide
Terms and Conditions of Use
Please note that a copyright and attribution statement applies when using the Historic Environment Viewer application that covers both National Monuments Service and other third party copyright, e.g. Táilte Éireann base maps. Users will be requested to acknowledge and accept these Terms and Conditions on the launch of the application.
Open Data Access
The datasets featured in the Historic Environment Viewer are available to download via our Open Data page.