We had a comfortable stay in Guillaumes apartment. The space is very clean, well equipped and tastefully decorated. The outlook is pleasant however you cannot see the Eiffel Tower unless you lean out the window. We were expecting to have a better view of it. The location is slightly away from the main tourist area but there is a metro close by and some nice food options in the area plus a supermarket only 100 or so meters from the apartment which was super handy.
For families travelling with a pram- the is a lift but it is VERY small.