Renwick is a light and airy purpose-built chalet style building, with accommodation for 30 people. It has a fully equipped kitchen and a large hall which can be used for dining, indoor crafts and activities. There are 2 bunk rooms sleeping 12 in each plus 3 double bunk rooms for leaders; one with the benefit of a third bed which can be used as a sick bed. There are 2 main washrooms; each with 2 toilets,  3 wash basins and 2 showers as well as 2 separate washrooms with toilet, wash basin and shower fitted for disabled use. There is an additional disabled toilet located in the entrance by the hall.

Renwick has a minimum occupancy of 21.