"I liked how close to one of the train stations it was. The staff was nice to talk to and the state of the room was fine, but like the breakfast I didn't interact with it much so I can't say much about it.
The sleeping room was like a refitted home room with two beds scrunched together to make a very wide one. I appreciated the lockable separation of bathroom and sleeping space despite being alone. Showers worked well enough and heated up right away, and there is no air conditioner although the room is insulated well enough. I recommend bringing a fan you can plug in if you're going in the summer, but that goes for all German housing. It is close to the train station and a stop or two away from the main köln station to the Dom, or you can take the 14ish minute walk there.
The outlets are all EU type. Make sure to bring two plugs and some cables, especially if you have many devices you want to charge. No room microwave, so do not expect to heat things up, but there are döner shops very close by late at night you can use instead of cup noodles or something. As far as I saw it's all street parking, so I recommend this place if you are exclusively taking the train. I'm sure you can find parking elsewhere, but it is what it is.
Recommended for single or couples who want to get around köln and the surrounding areas easily by public transport and relatively close to the Dom at a reasonable price compared to other hotels in the inner city."