HeightMap is a brand new product from OSmaps-online / Stanfords, the country's leading map specialist.

Combining a section of Ordnance Survey 1:1250 scale DXF map data with a corresponding section of highly accurate LiDAR building height information and/ or aerial photography data, HeightMap is the ideal product for ascertaining early stage ground levels as part of the planning process:

"The LiDAR spot points are at 1m horizontal and vertical intervals and sweep over the entire OS map. When you select a point and read its 'Z' value (height) it corresponds perfectly to the OS levels…..as verified by the benchmark points on the 2D OS map. If viewed using the orbit command a 3D contour type model (albeit with points) gives you an immediate overview of the massing of the structure or landscape."

Unfortunately, because of the time involved in data capture LiDAR coverage is currently limited to the major cities. OS dxf map is available for the whole of mainland Great Britain.