Our apartment has 3 rooms; we are 2 people living in it (woman and man aged 28 and 30). The transportation service to Paris is really good during the day (RER B: 10 minutes to Paris, 17 minutes to "Châtelet-les-Halles", Paris City Center) and at night (night buses). Staying in the close suburbs is the ideal way to get cheap accommodation in Paris.
The bathroom is new, it has just been entirely remade. Our kitchen is not as new, but it is functional and has all the basic utensils.