I stayed in Porto this Jan 2019 in Barbara's appartment. It is exactly as described, and Barbara also had a welcome compliment prepared for us which was nice. The appartment is equipped with warm heater, which is very helpful in winter. it is nice and cosy to stay in. It is also located close to the city center and in walking distance to many sightseeings. The only inconvenience for me was that due to such central location all street sounds were well heard inside the appartment and a bit loud for me. maybe it is also because it was a weekend. This central location has only one disadvantage but many other advantages, so please consider what is more important for you. Have a wonderful trip!