The chief judicial officer of the court (Norwegian: førstelagmann) is currently Marianne Vollan.

There are additional court rooms in a historic adjoining building that was constructed in the early 20th century.

[4] The Borgarting is first mentioned in sources in 1047 as a thing for the counties around the Oslofjord, eventually expanding as far as into Grenland and Båhuslen.

Its laws were codified by King Magnus VI in 1276, when ten judges were appointed.

In the fifteenth century the seat was moved across the fjord to Sarpsborg, and in 1567 to Fredrikstad.

Akershus Court of Appeal was located in Oslo (at the time called Christiania) and responsible for Eastern Norway.