Great place to stay in Oslo, perfect location to explore the city either on foot (walk downstream towards Grunerløkka and further to central Oslo attractions), public transport of if you wish to join the runner's squads of Oslo - go for a run!:)
Astrid and Børge are good hosts, reliable, hospitable and very easygoing. You can tell they are 'pro-travellers':). Flat is very Scandinavian neat. Guest room and bed are rather small yet cosy.
Would easily recommend to stay with them to my best friends so would host them in my apartment.