We got the key of the host's girlfriend, a very friendly person who showed us around the apartment and told us a bit about the neighbourhood (best place to get a pizza etc.) With the place being 5-10 minutes from the nearest station, taking the train to the central station (another 10min) was no problem. We can also recommend hiring a bike (from the station you can get the bikes you can drop nearly anywhere), and all of a sudden the entirety of Copenhagen is within a bike ride reach.
The flat was cosy, kitchen was well equipped and clean. I have no hesitation in recommending this apartment to any couple who wants to explore Copenhagen!