Helsingin kaupunkiympäristön toimiala

The Helsinki plan maps are a collection of the city of Helsinki’s valid and overturned detailed plans. The detailed plans and changes to the detailed plans create the conditions for construction. The detailed plan...

Old detailed plans of Helsinki. The detailed plan maps for years 1820, 1838 and 1878 can be downloaded as TIFF-files. The guidemaps for all years can be found through WMS API. Previewing the data in the kartta.hel.fi...