We stayed as a group of 5, and the three bedrooms were perfect for our needs, as well as a great living room and kitchen. Really comfortable beds and great pillows and linens, as well as a nice main bathroom (and a small extra one worked well for our group). Excellent location for walking Edinburgh and getting to trams and buses! Most of all, an amazing price for a really nice place and location. Great host, too!
The only downside was a strong sulphur smell coming from the bathroom at times. We enjoyed the historic nature of the building, but the three stories of spiral staircase may be a challenge for some.