 The house in Parkveien 45 was originally built as a private residence for Fredrik Sundt, a businessman importing paraffin oil, hence the popular name of the house 'Villa Parafina'.The villa was purchased by the Norwegian government in 1896.From 1898 to 1908 it was used as the residence for the Prime Minister of Norway, housing Francis Hagerup, Johannes Steen, Otto Blehr, Christian Michelsen and Jørgen Løvland in succession.