My parents stayed at Maria and Luigi's place and had a great time. The flat is wonderful, well-equiped, very clean and has eveything you need to make you feel at home. It is on the 3rd floor with no elevator but you get used to climb the stairs after a day or two :-) It is also well-situated, 2mns walk from Tram 28 and near Alafama where there are many Fado restaurants. There is also a excellent restaurant on Graca place next to the shop where you can buy bus metro and tram tickets...we highly recommend this wonderful place!