Charlottehaven is an outstanding option if you’re looking for an apartment style setup (vs traditional hotel) with a bit of separation from the main tourist areas of Copenhagen.
We stayed here for a brief (2.5 day) stop in Copenhagen and would absolutely stay here again. The tower apartment itself was lovely - light, appropriately spacious, and modern - with fantastic views of the city. Location-wise, it is a short walk to many restaurants/groceries and arguably the best bakery in town (Juno is a must) - and an even shorter walk to the metro, which got us everywhere we needed to go quite seamlessly.
Worth noting: Charlottehaven is not a traditional hotel and does not have hotel-level services (namely, no daily housekeeping), which was okay for us; but you should ensure that matches your expectations. That said, there are plenty of amenities (we used the gym and playground; pool looked nice, but you must be 15 to use it, which didn’t work for our family), and the front desk staff was perfectly helpful.
Looking forward to being repeat customers!