The apartment is as advertised and is situated in Graça, on top of one of the many hills in Lisbon. The apartment is a 20-25 mins walk to centre of town which is downhill but you will need to get tram 28 to get back.
The only issue we had was with the bed mattresses. The mattresses are wafer thin offering little support (essentially they are like mats) andnce this meant problem with our backs. I would highly recommend swapping the mats for proper mattresses, particularly for those staying 3 nights or more.
Richard