Dataset - Helsinki Region Infoshare

Lot reserve in the Helsinki metropolitan area by postal code area (SeutuRAMAVA)

The dataset contains information on the city plan reserve situation, or lot reserve, in the Helsinki metropolitan area, summed up in postal code areas. The data has been...
- XLSX
Building prohibitions map of the City of Helsinki

The building prohibitions dataset is a thematic map compiled by the City Survey Services of the City of Helsinki’s Urban Environment Division on the city’s existing building...
- WMS
- WFS

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