1917: The present Grande property was separated and sold to shipowner H. Østervold, who completed the building without furnishings. Østervold's architect was Jens Z. M. Kielland. The construction of the shell of the building took place between 1918 and 1921.
1921: Aker municipality purchased the property along with the Huk area. The municipality considered using the building as a public school, but it was deemed unsuitable. Therefore, a new school was built on the Kongsgården grounds.
1926: Shipowner W. Wilhelmsen bought the property.
1928: W. Wilhelmsen donated the property to the state. The intention was to convert the building for use by the Meteorological Institute. However, the house remained unfinished until World War II. During this time, the area served as an exciting and unauthorized playground.
1941: Leader of the far-right national socialistic party NS (Nasjonal Samling) and later Prime Minister Vidkun Quisling took over the property and initiated its completion. The architects were Essendrop & Egeberg. After extensive construction work, the house was put to use under the name Gimle. During the period between 1941 and 1945 when Maria and Vidkun Quisling lived at Gimle, some nearby properties were confiscated.
1945: From May 1945 and for approximately one and a half years, the building served as barracks for Allied forces and legations. This included the use of the house by embassy personnel. The property was then released for military use.
1948-1961: Villa Grande operated during this period as a nursing and rehabilitation home under Ullevaal Hospital.
1963: The state took over the property, and it has been under state management since then. The State Health Visitors' School was transferred here. As the educational offerings increased, the name was changed to the State Education Center for Healthcare Personnel. The school provided education for midwives, district doctors, and health visitors.
1964: The first part of the dormitory was completed for occupancy.
1970: The dormitory was completed.
1998: The teaching was relocated, and the buildings were vacated.
1999: Villa Grande was put up for sale. The Norwegian Directorate for Cultural Heritage declared the property worthy of preservation. The idea of locating the Norwegian Center for Holocaust and Minority Studies in Norway at Villa Grande was launched.
2000: The Ministry of Labour and Administration presented Parliamentary Proposition No. 1 Supplement No. 4 (2000-2001) with a sketch of a model for the use of Villa Grande, including as a center for Holocaust studies and the position of minority worldviews in Norway. The Parliament gave its approval to the proposal.
2005: The Norwegian Center for Holocaust and Minority Studies moved in after rehabilitation carried out by the Norwegian Directorate of Public Construction and Property (Statsbygg). The building is still owned by the state with Statsbygg Øst as the manager. Villa Grande is adapted for people with disabilities.