{
  "id": "00000000-0000-4000-8000-000000000001",
  "name": "Sample House (sample)",
  "updated_at": "2026-10-08T15:30:00.000Z",
  "units": "imperial",
  "levels": [
    {
      "id": "main",
      "name": "Main Level",
      "order": 0,
      "elevation_m": 0,
      "totals": {
        "rooms": 7,
        "floor_area_m2": 122.63,
        "ceiling_area_m2": 122.63,
        "perimeter_m": 129.235,
        "wall_area_gross_m2": 354.52,
        "openings_area_m2": 45.71,
        "wall_area_net_m2": 308.81,
        "baseboard_m": 112.776
      },
      "rooms": [
        {
          "id": "sample-room-5",
          "name": "Bathroom",
          "ceiling_height_m": 2.743,
          "floor_area_m2": 8.92,
          "ceiling_area_m2": 8.92,
          "perimeter_m": 12.192,
          "wall_area_gross_m2": 33.45,
          "openings_area_m2": 2.29,
          "wall_area_net_m2": 31.15,
          "baseboard_m": 11.43,
          "doors": 1,
          "windows": 1,
          "walls": [
            {
              "number": 1,
              "kind": "wall",
              "length_m": 2.438,
              "wall_length_m": 2.438,
              "wall_area_gross_m2": 6.69,
              "openings_area_m2": 1.55,
              "wall_area_net_m2": 5.14
            },
            {
              "number": 2,
              "kind": "wall",
              "length_m": 3.658,
              "wall_length_m": 3.658,
              "wall_area_gross_m2": 10.03,
              "openings_area_m2": 0,
              "wall_area_net_m2": 10.03
            },
            {
              "number": 3,
              "kind": "wall",
              "length_m": 2.438,
              "wall_length_m": 2.438,
              "wall_area_gross_m2": 6.69,
              "openings_area_m2": 0.74,
              "wall_area_net_m2": 5.95
            },
            {
              "number": 4,
              "kind": "wall",
              "length_m": 3.658,
              "wall_length_m": 3.658,
              "wall_area_gross_m2": 10.03,
              "openings_area_m2": 0,
              "wall_area_net_m2": 10.03
            }
          ],
          "openings": [
            {
              "id": "sample-door-3",
              "kind": "door",
              "mark": "D04",
              "type": "Single",
              "wall": 1,
              "width_m": 0.762,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-window-6",
              "kind": "window",
              "mark": "W06",
              "type": "Casement",
              "wall": 3,
              "width_m": 0.61,
              "height_m": 1.219,
              "sill_m": 0.914
            }
          ]
        },
        {
          "id": "sample-room-4",
          "name": "Bedroom 2",
          "ceiling_height_m": 2.743,
          "floor_area_m2": 15.61,
          "ceiling_area_m2": 15.61,
          "perimeter_m": 15.85,
          "wall_area_gross_m2": 43.48,
          "openings_area_m2": 3.14,
          "wall_area_net_m2": 40.34,
          "baseboard_m": 15.037,
          "doors": 1,
          "windows": 1,
          "walls": [
            {
              "number": 1,
              "kind": "wall",
              "length_m": 4.267,
              "wall_length_m": 4.267,
              "wall_area_gross_m2": 11.71,
              "openings_area_m2": 1.65,
              "wall_area_net_m2": 10.05
            },
            {
              "number": 2,
              "kind": "wall",
              "length_m": 3.658,
              "wall_length_m": 3.658,
              "wall_area_gross_m2": 10.03,
              "openings_area_m2": 0,
              "wall_area_net_m2": 10.03
            },
            {
              "number": 3,
              "kind": "wall",
              "length_m": 4.267,
              "wall_length_m": 4.267,
              "wall_area_gross_m2": 11.71,
              "openings_area_m2": 1.49,
              "wall_area_net_m2": 10.22
            },
            {
              "number": 4,
              "kind": "wall",
              "length_m": 3.658,
              "wall_length_m": 3.658,
              "wall_area_gross_m2": 10.03,
              "openings_area_m2": 0,
              "wall_area_net_m2": 10.03
            }
          ],
          "openings": [
            {
              "id": "sample-door-2",
              "kind": "door",
              "mark": "D03",
              "type": "Single",
              "wall": 1,
              "width_m": 0.813,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-window-5",
              "kind": "window",
              "mark": "W05",
              "type": "Casement",
              "wall": 3,
              "width_m": 1.219,
              "height_m": 1.219,
              "sill_m": 0.914
            }
          ]
        },
        {
          "id": "sample-room-6",
          "name": "Bedroom 3",
          "ceiling_height_m": 2.743,
          "floor_area_m2": 11.15,
          "ceiling_area_m2": 11.15,
          "perimeter_m": 13.411,
          "wall_area_gross_m2": 36.79,
          "openings_area_m2": 3.14,
          "wall_area_net_m2": 33.65,
          "baseboard_m": 12.598,
          "doors": 1,
          "windows": 1,
          "walls": [
            {
              "number": 1,
              "kind": "wall",
              "length_m": 3.048,
              "wall_length_m": 3.048,
              "wall_area_gross_m2": 8.36,
              "openings_area_m2": 1.65,
              "wall_area_net_m2": 6.71
            },
            {
              "number": 2,
              "kind": "wall",
              "length_m": 3.658,
              "wall_length_m": 3.658,
              "wall_area_gross_m2": 10.03,
              "openings_area_m2": 0,
              "wall_area_net_m2": 10.03
            },
            {
              "number": 3,
              "kind": "wall",
              "length_m": 3.048,
              "wall_length_m": 3.048,
              "wall_area_gross_m2": 8.36,
              "openings_area_m2": 1.49,
              "wall_area_net_m2": 6.87
            },
            {
              "number": 4,
              "kind": "wall",
              "length_m": 3.658,
              "wall_length_m": 3.658,
              "wall_area_gross_m2": 10.03,
              "openings_area_m2": 0,
              "wall_area_net_m2": 10.03
            }
          ],
          "openings": [
            {
              "id": "sample-door-4",
              "kind": "door",
              "mark": "D05",
              "type": "Single",
              "wall": 1,
              "width_m": 0.813,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-window-7",
              "kind": "window",
              "mark": "W07",
              "type": "Casement",
              "wall": 3,
              "width_m": 1.219,
              "height_m": 1.219,
              "sill_m": 0.914
            }
          ]
        },
        {
          "id": "sample-room-3",
          "name": "Hall",
          "ceiling_height_m": 2.743,
          "floor_area_m2": 16.35,
          "ceiling_area_m2": 16.35,
          "perimeter_m": 29.261,
          "wall_area_gross_m2": 80.27,
          "openings_area_m2": 13.01,
          "wall_area_net_m2": 67.26,
          "baseboard_m": 22.86,
          "doors": 5,
          "windows": 0,
          "walls": [
            {
              "number": 1,
              "kind": "wall",
              "length_m": 13.411,
              "wall_length_m": 13.411,
              "wall_area_gross_m2": 36.79,
              "openings_area_m2": 4.65,
              "wall_area_net_m2": 32.14
            },
            {
              "number": 2,
              "kind": "wall",
              "length_m": 1.219,
              "wall_length_m": 1.219,
              "wall_area_gross_m2": 3.34,
              "openings_area_m2": 1.86,
              "wall_area_net_m2": 1.49
            },
            {
              "number": 3,
              "kind": "wall",
              "length_m": 13.411,
              "wall_length_m": 13.411,
              "wall_area_gross_m2": 36.79,
              "openings_area_m2": 6.5,
              "wall_area_net_m2": 30.29
            },
            {
              "number": 4,
              "kind": "wall",
              "length_m": 1.219,
              "wall_length_m": 1.219,
              "wall_area_gross_m2": 3.34,
              "openings_area_m2": 0,
              "wall_area_net_m2": 3.34
            }
          ],
          "openings": [
            {
              "id": "sample-opening-2",
              "kind": "opening",
              "mark": null,
              "type": null,
              "wall": 1,
              "width_m": 1.219,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-opening-3",
              "kind": "opening",
              "mark": null,
              "type": null,
              "wall": 1,
              "width_m": 1.067,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-door-6",
              "kind": "door",
              "mark": "D02",
              "type": "Single",
              "wall": 2,
              "width_m": 0.914,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-door-2",
              "kind": "door",
              "mark": "D03",
              "type": "Single",
              "wall": 3,
              "width_m": 0.813,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-door-3",
              "kind": "door",
              "mark": "D04",
              "type": "Single",
              "wall": 3,
              "width_m": 0.762,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-door-4",
              "kind": "door",
              "mark": "D05",
              "type": "Single",
              "wall": 3,
              "width_m": 0.813,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-door-5",
              "kind": "door",
              "mark": "D06",
              "type": "Single",
              "wall": 3,
              "width_m": 0.813,
              "height_m": 2.032,
              "sill_m": null
            }
          ]
        },
        {
          "id": "sample-room-2",
          "name": "Kitchen",
          "ceiling_height_m": 2.743,
          "floor_area_m2": 31.22,
          "ceiling_area_m2": 31.22,
          "perimeter_m": 23.165,
          "wall_area_gross_m2": 63.55,
          "openings_area_m2": 8.86,
          "wall_area_net_m2": 54.69,
          "baseboard_m": 20.269,
          "doors": 0,
          "windows": 2,
          "walls": [
            {
              "number": 1,
              "kind": "wall",
              "length_m": 7.315,
              "wall_length_m": 7.315,
              "wall_area_gross_m2": 20.07,
              "openings_area_m2": 1.49,
              "wall_area_net_m2": 18.58
            },
            {
              "number": 2,
              "kind": "wall",
              "length_m": 4.267,
              "wall_length_m": 4.267,
              "wall_area_gross_m2": 11.71,
              "openings_area_m2": 1.49,
              "wall_area_net_m2": 10.22
            },
            {
              "number": 3,
              "kind": "wall",
              "length_m": 7.315,
              "wall_length_m": 7.315,
              "wall_area_gross_m2": 20.07,
              "openings_area_m2": 2.17,
              "wall_area_net_m2": 17.9
            },
            {
              "number": 4,
              "kind": "wall",
              "length_m": 4.267,
              "wall_length_m": 4.267,
              "wall_area_gross_m2": 11.71,
              "openings_area_m2": 3.72,
              "wall_area_net_m2": 7.99
            }
          ],
          "openings": [
            {
              "id": "sample-window-2",
              "kind": "window",
              "mark": "W02",
              "type": "Casement",
              "wall": 1,
              "width_m": 1.219,
              "height_m": 1.219,
              "sill_m": 0.914
            },
            {
              "id": "sample-window-4",
              "kind": "window",
              "mark": "W04",
              "type": "Casement",
              "wall": 2,
              "width_m": 1.219,
              "height_m": 1.219,
              "sill_m": 0.914
            },
            {
              "id": "sample-opening-3",
              "kind": "opening",
              "mark": null,
              "type": null,
              "wall": 3,
              "width_m": 1.067,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-opening-1",
              "kind": "opening",
              "mark": null,
              "type": null,
              "wall": 4,
              "width_m": 1.829,
              "height_m": 2.032,
              "sill_m": null
            }
          ]
        },
        {
          "id": "sample-room-1",
          "name": "Living Room",
          "ceiling_height_m": 2.743,
          "floor_area_m2": 26.01,
          "ceiling_area_m2": 26.01,
          "perimeter_m": 20.726,
          "wall_area_gross_m2": 56.86,
          "openings_area_m2": 11.77,
          "wall_area_net_m2": 45.09,
          "baseboard_m": 16.764,
          "doors": 1,
          "windows": 2,
          "walls": [
            {
              "number": 1,
              "kind": "wall",
              "length_m": 6.096,
              "wall_length_m": 6.096,
              "wall_area_gross_m2": 16.72,
              "openings_area_m2": 4.09,
              "wall_area_net_m2": 12.63
            },
            {
              "number": 2,
              "kind": "wall",
              "length_m": 4.267,
              "wall_length_m": 4.267,
              "wall_area_gross_m2": 11.71,
              "openings_area_m2": 3.72,
              "wall_area_net_m2": 7.99
            },
            {
              "number": 3,
              "kind": "wall",
              "length_m": 6.096,
              "wall_length_m": 6.096,
              "wall_area_gross_m2": 16.72,
              "openings_area_m2": 2.48,
              "wall_area_net_m2": 14.25
            },
            {
              "number": 4,
              "kind": "wall",
              "length_m": 4.267,
              "wall_length_m": 4.267,
              "wall_area_gross_m2": 11.71,
              "openings_area_m2": 1.49,
              "wall_area_net_m2": 10.22
            }
          ],
          "openings": [
            {
              "id": "sample-door-1",
              "kind": "door",
              "mark": "D01",
              "type": "Single",
              "wall": 1,
              "width_m": 0.914,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-window-1",
              "kind": "window",
              "mark": "W01",
              "type": "Casement",
              "wall": 1,
              "width_m": 1.829,
              "height_m": 1.219,
              "sill_m": 0.914
            },
            {
              "id": "sample-opening-1",
              "kind": "opening",
              "mark": null,
              "type": null,
              "wall": 2,
              "width_m": 1.829,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-opening-2",
              "kind": "opening",
              "mark": null,
              "type": null,
              "wall": 3,
              "width_m": 1.219,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-window-3",
              "kind": "window",
              "mark": "W03",
              "type": "Casement",
              "wall": 4,
              "width_m": 1.219,
              "height_m": 1.219,
              "sill_m": 0.914
            }
          ]
        },
        {
          "id": "sample-room-7",
          "name": "Primary Bedroom",
          "ceiling_height_m": 2.743,
          "floor_area_m2": 13.38,
          "ceiling_area_m2": 13.38,
          "perimeter_m": 14.63,
          "wall_area_gross_m2": 40.13,
          "openings_area_m2": 3.51,
          "wall_area_net_m2": 36.62,
          "baseboard_m": 13.818,
          "doors": 1,
          "windows": 1,
          "walls": [
            {
              "number": 1,
              "kind": "wall",
              "length_m": 3.658,
              "wall_length_m": 3.658,
              "wall_area_gross_m2": 10.03,
              "openings_area_m2": 1.65,
              "wall_area_net_m2": 8.38
            },
            {
              "number": 2,
              "kind": "wall",
              "length_m": 3.658,
              "wall_length_m": 3.658,
              "wall_area_gross_m2": 10.03,
              "openings_area_m2": 0,
              "wall_area_net_m2": 10.03
            },
            {
              "number": 3,
              "kind": "wall",
              "length_m": 3.658,
              "wall_length_m": 3.658,
              "wall_area_gross_m2": 10.03,
              "openings_area_m2": 1.86,
              "wall_area_net_m2": 8.18
            },
            {
              "number": 4,
              "kind": "wall",
              "length_m": 3.658,
              "wall_length_m": 3.658,
              "wall_area_gross_m2": 10.03,
              "openings_area_m2": 0,
              "wall_area_net_m2": 10.03
            }
          ],
          "openings": [
            {
              "id": "sample-door-5",
              "kind": "door",
              "mark": "D06",
              "type": "Single",
              "wall": 1,
              "width_m": 0.813,
              "height_m": 2.032,
              "sill_m": null
            },
            {
              "id": "sample-window-8",
              "kind": "window",
              "mark": "W08",
              "type": "Casement",
              "wall": 3,
              "width_m": 1.524,
              "height_m": 1.219,
              "sill_m": 0.914
            }
          ]
        }
      ]
    }
  ],
  "totals": {
    "rooms": 7,
    "floor_area_m2": 122.63,
    "ceiling_area_m2": 122.63,
    "perimeter_m": 129.235,
    "wall_area_gross_m2": 354.52,
    "openings_area_m2": 45.71,
    "wall_area_net_m2": 308.81,
    "baseboard_m": 112.776
  }
}