The room was comfortable. We loved the little touches like having an iron and hair dryer. Really appreciated that Jean provided some breakfast items as well as tea and coffee.
The location was good for us. We were able to take a quick drive to Dalkey as well as the Mount Usher Gardens (a must see if you're in the area btw). We very much enjoyed walking to Johnnie Fox's one night for the Hooley (also a must) and another just for dinner (get the bacon and cabbage - so yummy!).
One small caveat, the walls are slightly thin so, we were able to hear the people in the neighboring rooms very clearly. Everyone went to bed at a reasonable hour so, it wasn't such an issue. The biggest thing for us was having to leave around 2:30am to catch an international flight knowing we were likely disturbing other occupants.
We would definitely recommend a stay at Jean's!