The material covering the exterior walls is unknown. There is insufficient information available or it is not possible to determine the material from a visual survey.

The use of the building is unknown.

The type of roof covering is unknown. There is insufficient information available or it is not visible from a survey.

The shape of the building plan is unknown. There is insufficient information available or the shape of the plan is not visible from a survey.

The roof shape is unknown. There is insufficient information available and  the roof shape is not observable from the survey.