We stayed 3-nights at Catherine’s for some local sightseeing. Sónia was a very welcoming host and made sure we had access to the garage (there is a lift up to the flat if you have driven and have suitcases, but note only to bring a very small car if you need one at all!), and quickly showed us round and the rules before leaving us to settle in.
The location is perfect to get to the Castelo and various view points overlooking the city, as well as only being a 20min walk from the main central city attractions and very easy to find easy connections out to Belém and Jerónimo Monastery or the Oceanarium.
There are also supermarkets and restaurants close by to suit all your needs.
I’d definitely recommend it.