Datasets

The dataset depicts the first World War-era fortifications, as well as some details of the fortifications. The data is based on a survey commissioned by the Public Works Department of the City of Helsinki in 1996 of...

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...