i hope someone can help.
I have a shapefile of individual building polygons with building height attributes, I want to merge all adjoining polygons and average the building heights of the adjoining polygons. As the buildings that are semidetached or terraced all share the same roof heights. The building heights have been processed from lidar data point cloud and so building heights vary amoungst adjoining buildings. This join will average building height for all adjoining buildings. I know what I need to do but can not find the correct tools. Please find snapshot of screen attached showing polygons and attribute table showing attribute. Each polygon has an individual average height attribute.