Celle and Jon's place is located in Alfama but easily accessible from the main street. Metro and bus stops are not far away so it's easy to get around. There are also many restaurants nearby if you don't wish to travel too far for dinner. Many of those restaurants has Fado music performance at night too.
The main bedroom is facing the street so it can be a little noisy at night so we relied on earplugs to sleep. But all in all the apartment is spacious and very comfy to stay in, we highly recommend it!