You certainly can install a wood burner in your garden room. In fact, a wood burner is a great way to create a cosy space inside your garden room. Because of the smaller size of garden rooms, you will be limited in terms of the size of wood burner you can install. Keep in mind that smaller burners tend to be more efficient, which will save you money. In addition, local regulations apply that determine the type of burner that can be used in some areas. In most cases, a log burner will also require a 2 metre external flue and a hearth to protect the flooring system.