Despite the fact that the apartment is only a few minutes from the train station, John picked me up there which was really nice since I didn't have to search for the apartment. The apartment is very modern and clean. The view over the city is great.
Although the bedroom is very small it was sufficient for sleeping. I only spent one night in the city but the fact that the location is very convenient enabled a good portion of sightseeing and a very nice evening in the city.
I can only recommend the place for anybody who wants a place to stay in the city center in Oslo.