Nelson is a very friendly and fast responding person, we had no problems communication wise. The location is superb, right near the heart of the city, easy to walk to most places and the apartment is simple to find. Check-in was smooth and straightforward, Nelson contacted us on Whats-app with the instructions which were very easy to follow.
The location is right next to Bairro Alto which has a great nightlife and is easy walking distance to most of the places you'd want to visit. Approximately €10 taxi from Airport to Apartment and great to use Bolt around the city especially due to how hilly it is, I believe minimum fares were around €3.
The apartment was clean and tidy with all the amenities you need, during winter you have portable radiators which work nicely and the views from the balcony were beautiful, the view of the river in the sunshine was amazing. We didn't have any issues of weird smells in the shower as mentioned by other reviewers.
I would recommend this place.