We stayed (two people) for 1 week in this neat little flat. It's very well organised for the size, plenty of space to store things (but not too much space on the floor). The bed is comfy, and linen provided were spotless.
There is a heater, enough to cook, a fridge, microwave, good shower, good lavaboratory (with tons of light, useful to shave before a conference). Check-in & out is easy. The elevator is very thin, in case. But it works well. Wifi is very fast, nothing to complain 😊
Minor nitpick: I think floor cleaning could just a tiny bit more thorough, but it was definitely very clean.