Visualising OS MasterMap® Topography Layer Building Height Attribute in QGIS

Update 12/02/2015: The contents of this blog post have been moved to the Digimap Help system and can be found at the following location (link opens in a new window):

http://digimap.edina.ac.uk/webhelp/digimapgis/index.htm#qgis/building_height_attribute/bha_in_qgis.htm

For an overview of Building Height Attribute please see the following page (link opens in a new window):

http://digimap.edina.ac.uk/webhelp/digimapgis/index.htm#bha/bha.htm