This little apartment in the heart of the Pantheon/Sorbonne/Latin Quarter is so perfect and lovely. Be advised if you're tall that the loft space where the main bed is located is low on headspace. I was FINE at 5'7" but my 5'8" friend bumped her head on the edges a couple times. It's open and airy and doesn't feel remotely tight though. And the bed is very comfortable.
The mirrored wall really opens the space on the ground floor. Lovely little kitchenette. The sink in the bathroom is rather tiny, but the one in the kitchen can be used instead if necessary. Water pressure was great!
We really loved this place. The location was amazing. Easy short walk to RER at Luxembourg for de Gaulle. And even though we couldn't use the C line during our trip because the St-Michel/Notre-Dame stop was shuttered due to the terrible fire (that happened our first day in town) there were plenty of other lines and stops within easy walking distance that we got all around the city by Metro.
We were thrilled with how responsive Antoine was whenever we had a question or just to check on anything. We actually never met and the check in and out was still perfect and seamless. We'd love to stay here again!