The flat is on the top floor of an old building right in the midst of all the nightlife, bars, restaurants and cafés with live fado performances on the border of the Chiado and Bairro Alto districts. It is extremely convenient as far as sightseeing and shopping go, and in terms of location you can't really hope for anything better!
The windows are very well insulated, so although the street gets very noisy, the flat is in fact very quiet. It is also extremely bright, and well appointed.
On the down side, the bathroom is very small, and being the apartment on the third floor with no lift and very steep stairs, it is not ideal if you have large/heavy luggage.
Communication with Tomàs was excellent. A very kind and accommodating host.