As much as this place is well situated, if you're fine with having non-stop noise (cars, hanks, people talking, building door opening and closing) then go ahead and book this place.
But to be honest, you pretty much hear everything that happens outside and the customer service won't do much about it if not just apologize for the inconvenience.
If Numa wants to become a leader in the industry, they must align with the minimum standards of sound isolation, customer service flexibility and understanding.