Vellamonkatu 25 is a rental building of Kiinteistö Oy Auroranlinnan, completed in 1995. The building has 46 apartments. The building is located at the intersection of Vellamonkatu and Haukilahdenkatu / Haukilahdenkuja.
The company takes its name from the Auroran Castle in Länsi-Pasila, which was designed by architect Juha Leiviskä and is one of the buildings owned by the company. The Auroranlinna building is named after the Aurora Hospital in Helsinki.
The house consists of a higher building and a lower building, connected by balconies.
Updated 25.9.2025