We stayed here for 5 days and Rosaria was really helpful with check-in and had loads of tips! It's not a very big place, but it was perfect for 2 of us, quirky and really well equipped. The kitchen was well stocked and shower was nice.
As previous reviews have mentioned, the upstairs neighbours are very noisy and stomp about everywhere. We also had an issue with noisy bin collections during the night (the apartment is on a cobbled street).
Location is great, situated in a cute cobbled alley which is within good walking distance to a lot of the local sights (and transport links).
Rosaria gave us plenty of recommendations. Our favourites we're getting the train to Sintra, Cascais Beach, watching the sun set on Miradouro da Graça, and Splash Seixal (ideal for kids, or a dip in a pool). We'd heard lots of recommendations for tram 28, but we're underwhelmed and much preferred exploring the city on rented electric scooters!