A historic building thoughtfully restored, retaining many architectural features from its former use as offices for the rail station next door. If you like historic buildings, it is an added bonus. A guide leaflet is provided for a self conducted building tour, which is worth doing.
We stayed for 8 days so were offered a ground floor room overlooking the pretty central courtyard for quietness. The room was indeed very quiet for the whole stay. However, also read reviews from others as quietness depends on room situation. (Some overlook rail tracks / occasional events in courtyard).
We chose a basic room, which was still very comfortable but lacked desk space. Mini bar and safe were provided, but no kettle (provided in more deluxe rooms). This might have been inconvenient had we not been very near to the reception tea and coffee machine for guests. Room cleanliness and room service was excellent except for the rug which needed a trip to one of Helsinki's carpet washing platforms (some other reviews mention this). Shower pressure was best I've had in a hotel and bath filled very fast, though this may vary as you rise higher in the hotel (ours was ground floor).
Breakfast was good, varied and plentiful.
Hotel position for transport is excellent with station, bus and tram stops only minutes away.
Staff were very helpful and friendly for the whole stay.
We both decided we will definitely book this hotel again, in spite of the few minor niggles mentioned.