To be honest: “Checking-in” was not how it should be. My arrival time (between 18:30-19:00) was confirmed, but less than 2 hours before arrival the host sent a message that she would go out with friends, and that the room would only be available later. No provisions were made (e.g. with neighbours), so I had to wait one hour outside (in the Norwegian winter).
The room was OK and well located in Oslo-Centre, close to the railway station. No breakfast, however access to the kitchen. The host was also so kind to provide earplugs.