Cathal's place was perfect for what my friend and I needed for one night in Edinburgh. The bedroom looks like the photos, the bathroom was right next door, and we were able to pick up the keys late in the evening (around 1030pm). There was some confusion when we went to get the keys from a nearby pub, as the bartender was not aware of the keys. After 10 minutes he finally located them and was on my way.
We also met the neighbor above the flat. He came down at 1:30am and was quite rude, telling us to "show some respect and tone it down." My friend and I were not being loud at all and we're literally using the bathroom and preparing to go to sleep. This isn't Cathal's fault, more something you should be aware of when staying.