We (2 adults and 2 children 8 & 10) spent a week in this apartment. We booked on the strength of the reviews and were not disappointed in the slightest! The apartment is spacious, well-appointed and brilliantly located - you get an amazing view of the town with the ability to walk into it very quickly. We were there at the end of July and it was very warm (but not extreme heat) but we found the apartment cool and well equipped with fans and air coolers (which we didn't use) for a typical Italian summer. The third floor location means you get a great view of the town and the stairs are not onerous.
Soriano itself was great, we loved it. It has everything you need, with a good selection of restaurants, bars and ice cream. It feels like a proper town (it's full of interesting shops selling useful things), and was very friendly and we felt instantly comfortable. It's very well located, we did the day trip to Rome, visited the Monster Park and went to Spoleto and Lake Bolsena, but we also had a couple of rest days, just hanging out at the apartment and in Soriano and they were probably everyone's favourite days! Daniela was extremely helpful and prompt in dealing with all communication. We found the whole experience faultless and would definitely like to go back. Thanks very much!