nice, clean and quiet. Jasmine and Magnus helped me with some appreciated tips and they were very flexible with check in and check out time, which is always a plus and the reason why we use this app: nobody likes hotel times.
Their apartment is in my opinion in the best place to discover the 2 most alive parts of Oslo: literally 5-10 min walking from everything you want in term of bars and restaurants.
just two thing you probably need to know:
-the building has not elevator, so be ready to do 4 floors, it's a good for your health
-if you don't like light in the morning, bring with you a sleeping mask: it's Norway, from March to August there's a lot of light!