Fritzøehus, the Larvik estate described as Norway’s largest privately owned home, is no longer for sale. Its owner, Michael Stang Treschow, one of the country’s richest people, confirmed the decision to E24 after the property had sat on the market for several years without a buyer.
Treschow gave the news in an email sent through his press adviser, Steinar Flaa of First House. “Fritzøehus is no longer for sale,” he wrote, and declined to comment further. Business magazine Kapital estimates his fortune at NOK 5.1 billion, which places him 75th on its list of Norway’s wealthiest people. The estate has been in the Treschow family for seven generations, and his mother, Mille-Marie Treschow, lived there until her death in 2018.
The scale of the property is unusual by any measure. The house covers 7,000 square metres, with 75 rooms and 21 cellar rooms, and sits in a protected park of nearly 1,700 decares, about four times the size of Frogner Park in Oslo. It was put up for sale in 2023. A year later it was still unsold with an asking price of NOK 350 million, a figure that Christie’s International Real Estate, which handled the listing, said did not include furniture. VG had earlier reported a range of NOK 300 million to 600 million depending on the furnishings.
Its value today is uncertain, but one broker believes it has risen. Fredrik Dyve, managing director of Privatmegleren Dyve & Partnere, puts it at NOK 450 million to 500 million. “There are extremely few comparable properties in this area and in the country,” he said. For comparison, Ferd heir Katharina Andresen paid NOK 585 million for the most expensive home ever sold in Norway, on Admiral Børresens vei in Bygdøy, Oslo. In 2024 Treschow said several talks with interested parties were under way but warned that finding the right buyer could take a long time, and suggested the state could buy the estate and open it up.
Local politicians have long wanted a solution. When the house was listed, several Larvik politicians wrote to the Ministry of Culture to propose state ownership, while mayor Birgitte Gulla Løken has said the municipality cannot afford it. This year Treschow said the estate deserves more active use than he has given it since taking over six years ago. With the sale shelved, the question now is what that use will look like.
