I had a wonderful stay in Olso.
Delphine and Tom are very welcoming and very available to answer my questions. They answer very fast and you can ask them anything. The hosts are very flexible for check-in and check-out.
The studio is located in a very lovely and peaceful borough with easy access to Oslo city centre. But is is also very well located to access the ski slopes of Holmenkollen and Frognerseteren. The place is kept very clean and tidy as well with a very nice bathroom. Note that there is no kitchen but it wasn't a problem even for a 6-night stay like mine.
Would recomend it for a couple visiting oslo for 2-3 days, or longer for solo travellers like me.
It's great value for money and you can go worry free and just enjoy Oslo. I will definitely come back for another ski trip.