A pleasant surprise. It was as good as other reviews said but definitely student accommodation.
The shower was quite small even for my height of five foot but the bed was spacious for one traveller and so was the room.
The kitchenette has one microwave, two hobs, a fridge, toaster etc as described. There are two sets of cutlery, plates etc for guests as a few basic utensils including around 2 saucepans and one pan. However, with surprisingly spacious fridge and little freezer section, there's a handy Tesco opposite so you can pop to get a few things for breakfast/lunch.
The place is clean - not hotel room clean but feels fresh and not worn. There were hangers, toilet roll, hand soap and few amenities provided. However, my room wasn't cleaned during my stay of less than a week unless you want to pay a £10 fee.
The room isn't as hot as people said as you can adjust the temperature of the radiator and there's a window. Some nights were oddly hotter than others but it depends on whether you're cooking I think.
However, for those with difficulty sleeping, the mattress is quite thin and there's a lot of sounds from things in the room and light pollution from behind the closed blind or I think it was a fire blanket. Nothing that an eye mask can't fix hopefully.
If you're attending EdFringe, it's perhaps a little further than you hope but Edinburgh buses are cheap enough to get you to the Bristo Square or even Summerhall quite quickly. Princes Street is close by for shopping but there is quite a hill to go up.
Otherwise, the local area has some cute coffee shops, an excellent book shop - do check it out, it's called Typewronger Books as the owner is lovely. Overall a great place to stay if you're on a budget and don't want to spend too much for just somewhere to sleep and get ready but want some privacy from other AirBnbs.
As a solo female traveller, I liked it as it feels safe walking back, the reception staff were particularly lovely and around 24/7 and it felt very secure with 2 key fob doors inside and then your room key. I'd likely stay again.