The hotel was even better than expected! Great location, amazing service, very friendly staff. The room we got was spacious and well-equipped, with some commodities that aren't so obvious at this price range (cleaning, water bottles every day, tea/coffee bags, an electric kettle).
While the location is unfortunately prone to invite a lot of noise from the outside, the hotel did everything to make our stay comfortable and peaceful by providing blackout curtains and earplugs.
Overall, if I ever return to visit Katowice, I will definitely choose this accommodation again.