Homes and businesses are not allowed in Industrial ares, only factories etc. Likewise, factories and homes are not allowed in Business areas. Generally, only offices are allowed. Again, factories and businesses are not allowed in Residential areas. Generally, only homes are allowed.
Recreational areas are generally parklands and open areas.
No buildings whatsoever are allowed. Often, the application to the Planning Authority must be advertised in the local paper. Residents can object. Generally, planning permission will not be given if the activity would inconvenience other residents. Permission would usually be granted for occupations like a child-minding centre, a secretarial service, telephone answering service etc.