Excellent communication with Gwen, the apartment is easy to reach from the airport and even though it's not exactly is the city center, there are a lot of buses to go there is 15-20 minutes.
The bedroom is very cosy with a kettle, tea, extra blankets and everything you need to feel really comfortable :) The bathroom is small but clean with everything you might need.
We had a wonderful time in Edinburgh at Gwen's flat !