The apartment is in a great location near Martim Moniz and about a 20 minute walk from Praca do Comercio.
It is on the third floor of a quiet building, with a great view of the city.
The house is bright by day and silent at night, in two and a half months of stay I didn't have any problems.
Michel is very fast and available via message, a great host.
Internet is not super fast but still sufficient for browsing.
Absolutely recommended.