There were four adults and one child staying at the property, so this should have been suitable given the 'sleeps 5-6' description of the accommodation, however, two beds are bunk beds which are not suitable for adults and the sofa bed was a little uncomfortable but slept two as advertised so no complaints.
Notwithstanding that, the house is very tasteful and in an excellent location, close to the centre of Edinburgh. The local pub, The Magnum, is just a minute's walk away and the food is excellent, however, beware Scotland's licensing laws which don't allow children in bars unless you're planning to eat.
I would definitely recommend the property to a group size of two adults and two children, but any more than two adults may prove a squeeze.
All in all, lovely property.