Unit Information

Ordnance Survey Ireland

Suirbhéireacht Oidanáis Éireann


Dates back to 1824 when the Ordnance Survey Office was set up. Ordnance Survey Ireland operated as part of the civil service under the Department of Finance from 1924 until 2002 when it became a commercial state enterprise under the Ordnance Survey Ireland Act 2001. Subsequently merged with the Property Registration Authority and the Valuation Office to form Tailte Éireann