Exactly as described, and then some. The flat is just like the pictures, plus clean and modern bathrooms and kitchen, although we didn't cook during this stay.
Additionally, this building and neighborhood cannot be adequately described. They must be experienced. The entrance is a little quirky; though a short "close" and up (one flight) the original stone spiral stairway to the flat. At the bottom of that stairway is a courtyard (apparently common in Edinburgh) with a bar on one side and a small, no-frills-but-very-pleasant family restaurant on the other. Excellent food. These elements add up to an experience of not just Edinburgh, but at least a taste of 19th/18th century Edinburgh life; very important to me. Paul has done an excellent job of blending that experience with modern conveniences.
The flat is located on the Royal Mile, at the quieter end, just down the street from the entrance to Edinburgh Castle. In the other direction lies the true hubbub of the Mile. The location could not be better.
Parking is an issue. Street parking is very much at a premium. You might find a spot, but, since it felt like stealing a spot from a resident, we chose the car park on the other side of the castle; about a ten minute walk. Received no grief about unloading/loading our luggage from the "No Parking" zones in front of our flat.
Paul was always accessible and friendly via phone and/or text prior to our stay; no contact after we arrived. No need. No troubles finding the place or getting in. No troubles during our stay.
We would come back here in a heartbeat!