The Derelict Sites Act 1990 defines a derelict site as any land that "detracts, or is likely to detract, to a material degree from the amenity, character or appearance of land in the neighbourhood of the land in question...".
A version of the Derelict Sites Register is available online here, the full version of the Register is available at the Planning public counter:
For more information, email firstname.lastname@example.org
Information leaflet for owners of derelict properties
Link to information on the grants scheme available under An Croí Cónaithe.