A lovely large, stylish flat, clean, very centrally located and with good hosts.
There are a couple of things to be aware of. The first being the bath, the second the noise issues.
The photo showing a bath, is not a bath, it is a shower. If you have kids wanting a bath or you like baths, there is no bath.
Also, there is no sound insulation to the neighbouring properties at all. There is another rental property below the master bedroom and a risk that there will be noise from that property. The flat above is rented out also and you will hear every footstep from above, if there are guests there. The communal hallway and stair, similarly, has no sound insulation to this flat and you will hear every movement. If you sleep well throughout any noise, this flat will be fine. You might be lucky and your neighbours will have no parties, you might not. There is also noise from the street, directly adjacent to the two bedrooms. However, this is a more regular, gentler type of noise, such as passersby and cars. The street is not overly noisy, it is a fairly quiet street, given its central location, but on a weekend night, you will hear more cars and merry people on their way home.
Without decent sound insulation to the floors and ceiling, the only way of resolving serious noise issues, when they happen, is for the hosts to call the police on your neighbours once you have complained. With this in mind, have a good stay and a good sleep.