A group of eight of us stayed in this apartment for three nights and it was the perfect size (2 people per bedroom). The flat is very central and therefore close to everything you may need or want to visit during your stay.
We had to check out by 11am but seeing as our flight wasn't until the evening we had to find somewhere to keep our bags. Joao sent me a list of places we could go and we ended up going to a luggage storage unit only a 5 mins walk from the flat, called "We L You" (Rua dos Bacalhoeiros 4, 1st floor). It cost 6 euros each to keep our bags for six hours and we also got our boarding tickets printed for free.
Overall, great apartment in a very convenient location!