This is a nice apartment in a very good location near the Pantheon, with lively restaurants and cafes underneath and nearby (where you can also have some great and convenient breakfast for less than €10). As noted in the post and many reviews, the stairs are a bit tight, and there are many steps to go (last floor), but the view of Notre Dame is worth it. Shower is very nice and kitchen is minimal but sufficient. Check in and out were extremely easy and convenient, within the hours allowed.