"FloorplanCeiling": {
  "type": "object",
  "additionalProperties": false,
  "title": "FloorplanCeiling",
  "description": "The height of the ceiling for this floorplan in metres.",
  "properties": {
    "Height": {
      "type": "number",
      "minimum": 2.4,
      "maximum": 4,
      "title": "Height",
      "default": 3
    }
  }
}

 "Height": {
  "type": "number",
  "minimum": 2.4,
  "maximum": 4,
  "title": "Height",
  "default": 3
}