The apartments started and completed in 2016-2019 are datasets containing point-form spatial data covering 14 municipalities in the Helsinki region (Espoo, Helsinki, Kauniainen, Vantaa, Hyvinkää, Järvenpää, Kerava, Kirkkonummi, Mäntsälä, Nurmijärvi, Pornainen, Sipoo, Tuusula and Vihti).
Helsinki Region Environmental Services (HSY) has collected data on municipalities in spring 2017-2019 as part of the monitoring work of the Helsinki Region MAL Agreement. The production data for 2019 was added to the data in 2020.
The coordinate system is ETRS-GK25.
**More detailed data descriptions:** [Metadata from the spatial data set for the 2016-2019 MAL monitoring](https://avoidatastr.blob.core.windows.net/avoindata/AvoinData/4_Rakennettu_ymp_ja_maankaytto/MAL/Asumisen_kerrosala/2016-2019/MAL_Metatiedot_Kaavat_ja_rakennukset_2016_2019.pdf)
**Interface address:** [https://kartta.hsy.fi/geoserver/wfs](https://kartta.hsy.fi/geoserver/wfs?request=getCapabilities)
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