The flat was exactly as described and seen on the pictures. It seems to have been recently refurbished. It's not very spacious, especially the bathroom and shower, but functional and perfectly suitable for a couple. The bed was comfortable, the kitchen properly equipped.
Air conditioning was working properly, but wasn't much needed in May, as the walls and window of the flat are not heated by direct sunlight. It's worth mentioning the mosquito net, which may be a real plus for some (like us).
The flat is just a few steps from the sea, but it's quiet, as the house is inside an inner court, on ground floor, so it's a bit dark, but I suppose no one is visiting Malta to stay in the flat all day, so it's not an issue.
Alison's father showed us the flat at check-in and explained everything we needed to know, including the fact the it's advisable not to drink the tap water.
The bus stop for Valletta and from the airport is at a 2-3 minutes walk. However, please be aware that due to road works the bus towards the airport is deviated. In our opinion the closest option is to board it at Cippi stop on Melqart street. The buses are often late or even early.
A good Spar convenience store is located at 200-300 meters.