We loved this beautiful apartment. Very spacious. The bathroom was extremely nice with a spacious shower. With the windows opened, the streets could be extremely noisy, but the windows are very soundproof so with them closed we had no issues at all. Overall, a lovely place in a great location that is walkable to most of the city.
The only issue that we had was a bad wifi connection which made it difficult to work, luckily there are several coffee shops nearby with free wifi.
I would definitely come back to this place if I find myself in Lisbon again.