Dataset - Helsinki Region Infoshare

Plan maps of the city of Helsinki

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...
- DGN
Historical detailed plan maps of the city of Helsinki

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....
- TIFF
- WMS

You can also access this registry using the API (see API docs).