The faulty lock and key make this very hard to feel secure in an otherwise safe area (especially at night). You might be trying for 10 minutes before you successfully enter the flat even though there are 3 sets of keys. The lockbox location is very dangerous and unsanitary, it is a hazard.
There is also no microwave, which is cost effective and essential in most AirBnBs. The wooden interior isn’t the most secure (some of it fell directly onto us).
Whilst the location is good and there are many ways into the city centre, it just isn’t worth the time nor money to stay here (especially as a tourist!)
Hopefully improvements are made by the property company that manages this place.