We stayed twice in the place. First indoors and later outside in one of the permanent tents. Inside the rooms were small but tidy.
The tents were a nicer experience, pretty big, good mattress and allowing you a relaxation spirit after the Safari trip. People were very welcoming and in the way the place is designed you feel very secure and very free to walk around through the huge garden. The showers and toilets were a 15m walking distance from the tents, good for the noise being far, but also not very helpful in case of a night-emergency.... They do have permanent tents with private toillets.
Meal was good and breakfast really good. It's not a real backpacker, it has much more to it. Maybe the people that travel by that are so interesting, and also the fact that nairobi is not the most friendly city for long walks at night which oblige you to stay indoors. In this case, it was very pleasurable to stay there, a nice garden that serves as a lounge area.
In the neighbourhood there is a supermarket and some shops that you can arrange food - snacks. There is no comunal kitchen or anything. Prices for foods and drinks were pretty fair.
I feel the value for the room was a bit overpriced, but still worth paying. The whole city is overpriced for good accomodation anyways.
The not so positive point of staying in the tents, at least the one we did, is that you can hear people walking at night due to the rocky soil. You can also hear the people talking in the near tents. They are pretty close one to the other.