Arrangements were agreed with Caroline within minutes - key box works well as we were not sure what time we would arrive. Flat was as listed and very comfortable for the 5 of us. Good central heating system kept it nice and warm - important given it was January. Location is excellent - right in heart of Old Town a short walk from interesting bars and restaurants. The twin room did have some early morning reveller noise but not enough to be any concern to the two 20ish year olds in that room. It would probably have bothered me (40 yrs older and not so tolerant!) but the other two rooms were quiet so that was fine.
Just what we wanted so many thanks to Caroline.