Standard Height Data

Our detailed digital terrain and surface models (DTM and DSM) of Ireland is available as a grid of heighted points and contours, both at 5m intervals (for the DTM) and 25cm intervals (for the DSM).

Whether you need terrain, or surface features such as buildings and trees, our data provides detailed height measurements at high accuracy and resolution. Bluesky height data facilitates the understanding, analysis and management of the environment that surrounds us.

Bluesky has an unrivalled national catalogue of height data. No matter where your area of interest is, we can provide the right information available in wide range of formats for variety of software packages.


  • Photogrammetrically derived

  • Highly detailed

  • DTM at 5m post spacing (no buildings or trees)

  • DSM at 25cm post spacing (full surface model)

  • High accuracy

  • Maintained and continually updated

  • National DTM and DSM coverage

  • Available in both CAD/GIS formats: ASCII XYZ, ARC Grid, GeoTIFF, 3DS


  • Wind and solar farm planning

  • Flood risk assessment

  • Run-off mapping

  • Quarrying, mining & volumetrics

  • Mobile network planning

  • Line of sight

  • Noise and emissions modelling

  • Visualisation and view-shed analysis

  • Coastal erosion studies


  • Off-the-shelf coverage

  • High accuracy

  • Ongoing update programme

  • Available for instant download

  • GIS and CAD Ready

  • Flexible licensing terms

  • Compatible with OS Ireland and other base mapping products

Visit The Mapshop To Access our Standard Height Data

We supply online a diverse range of geospatial data from Aerial Photography, Lidar, Terrain, National Tree Map™, and Derived Data

Quick search: Enter area of interest
(Eircode, town/city or coordinates)

Standard Height Data products