My friend and I visited Malta in July 2019. We wanted to stay in a local area with an authentic feel, and were delighted with Pierre's apartment. The apartment is comprised of several floors, with two large bedrooms, each with an ensuite. The rooms were well decorated and had many amenities - the bathrooms were modern and had free toiletries. We visited during the warmest time of year, but there are fans in each bedroom and aircon (on meter). The apartment is well located - in the heart of Rabat and less than a 10-minute walk from Mdina. It is also close to the main bus hub in Rabat that connects you to the rest of Malta. Any issues we had during our stay were completely separate from the apartment.
The only slight note of caution are the steps to the kitchen. Someone less steady on their feet may find them challenging.
Overall we really enjoyed our stay in the apartment and would certainly recommend it to friends. I advise avoiding the larger resorts in northern Malta and staying in Rabat/Mdina where you will see more of authentic Malta life.