I strongly recommend Tilde's place. Her apartment is in the centre of all main sightseeing spots of Copenhagen and only 5 minutes walk from Nørreport Station, which can be easily reached from Airport by metro (72dkk for 2 adults). The apartment has everything you need and is very well decorated. The communication with Tilde was very good and she was very kind to let us check-in earlier than the booked time. Thanks Tilde! Renan and Juliane