{
  "area": {
    "code": "01000",
    "name": "北海道",
    "slug": "hokkaido"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "detached",
    "label": "貸家・一戸建"
  },
  "unit": {
    "price_per_tsubo": "万円/坪",
    "price_per_sqm": "円/㎡",
    "cost": "万円",
    "floor": "㎡",
    "yoy": "%"
  },
  "formula": "price_per_tsubo = cost_total / floor_total * 3.30579",
  "formula_real": "price_per_tsubo_real = price_per_tsubo / deflator * 100 (MLIT construction cost deflator for housing of the same structure, FY2020 = 100)",
  "source": "https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00600120&tstat=000001016966&cycle=8",
  "last_verified_at": "2026-10-13T11:03:37.415Z",
  "provisional": null,
  "years": [
    {
      "fiscal_year": 2020,
      "units": 12,
      "floor_total": 1023,
      "cost_total": 21811,
      "price_per_tsubo": 70.48151093841642,
      "price_per_sqm": 213206.2561094819,
      "cost_per_unit": 1817.5833333333333,
      "floor_per_unit": 85.25,
      "yoy": null,
      "ratio_national": 0.8671997054880755,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 70.48151093841642,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 10,
      "floor_total": 1304,
      "cost_total": 35360,
      "price_per_tsubo": 89.64166748466258,
      "price_per_sqm": 271165.64417177916,
      "cost_per_unit": 3536,
      "floor_per_unit": 130.4,
      "yoy": null,
      "ratio_national": 0.9877630878763197,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 77.01174182531149,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2025,
      "units": 10,
      "floor_total": 1310,
      "cost_total": 71725,
      "price_per_tsubo": 180.998311259542,
      "price_per_sqm": 547519.0839694657,
      "cost_per_unit": 7172.5,
      "floor_per_unit": 131,
      "yoy": null,
      "ratio_national": 1.5960572364990009,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 145.61408789987289,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}