It is within walking distance to Sacre Coeur and close to Gare du Nord. It is a small flat ideal for 3-4 people. (We had 5 and were a bit cramped.) Check in details were specific and helpful, and although the flat was small, it was a good and creative use of space. Street is on the busy side and you might have people milling about outside. Fans are available in the flat which helps drown out street noise (it is a city after all).