I would highly recommend this apartment. Perfect for a couple or single traveller. The neighbourhood was lively during the day due to visitors to the castle but felt peaceful and very safe at night. The apartment is only a 10-15 minute walk to good restaurants and nightlife. The walk back up to the apartment is up a steep hill but that is pretty much unavoidable if you are visiting lisbon. At least you will burn off the calories from all the amazing food you will eat while you’re there. Thanks so much to João and Silvia for their hospitality and helpful tips. We hope to return. Enjoy!