Our family of five stayed in Jack and Marce's apartment for four nights. It is modern and very well maintained and the rooms are spacious. The Air-conditioning was really welcome. It is very well situated, right on the Tram 28 route, with a stop only 20 meters away from the front door, and within a 5 minute walk to tram / bus lines to Belem etc.
Any queries we had were responded to quickly and efficiently and often with helpful suggestions. The apartment had ample storage for clothes and bags - far more than we required. There is also a luggage storage depot less than five minutes walk away which meant that we could leave our luggage there both before check-in and after checkout - for reasonable rates - which really freed us up to enjoy our time in the city.
I would have no hesitation in staying there again if we were to go back to Lisbon. Jack and Marce are very good hosts and provided us a with a place you always hope for when you go on holiday.
Michael & Blaithin