I would book it again, due to its location :) .
All the feedback is on a very high level.
The bathroom was really clean, but we had an unpleasant canalisation smell. (but i think it is because of the old pipe system.)
In the coffee machine was some old filter with coffee from previous visitors.
Tomasz is not a private person renting the flat, but an organisation with employees.
We were staying with 5 persons and it was enough space, it was just difficult to sort out, what was foreseen as a "sleeping possibility."
The flat is in a very loud neighborhood and you can also hear the noise from the other flats underneath.
In general my feedback is completely positive :)