During my girlfriend and I's small trip around Denmark, Finland and Norway we stayed at Air BnB's in each of the countries we went to, and every host was extremely nice and welcoming. Steffen was arguably the kindest and best organised of the hosts we encountered. He gave directions to his apartment, which was easy to find, being a small walk away from public transport.
The apartment was the nicest we had the pleasure of staying in on our trip, we were provided with a map of the local area which showed us places we could go to eat and drink or go for coffee which was a nice personal touch, which also proved very helpful! The apartment is in a very nice location which was mentioned frequently on websites about 'Where to go in Oslo', so I think it was very reasonably priced as well.
Next time I am in Oslo I hope Steffen's place is free so I may stay here again!
Murray and Fiona