{
  "area": {
    "code": "41000",
    "name": "佐賀県",
    "slug": "saga"
  },
  "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": 2018,
      "units": 10,
      "floor_total": 828,
      "cost_total": 10000,
      "price_per_tsubo": 39.925000000000004,
      "price_per_sqm": 120772.94685990339,
      "cost_per_unit": 1000,
      "floor_per_unit": 82.8,
      "yoy": null,
      "ratio_national": 0.5298358447784913,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 40.69826707441387,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 11,
      "floor_total": 866,
      "cost_total": 14920,
      "price_per_tsubo": 56.954257274826794,
      "price_per_sqm": 172286.3741339492,
      "cost_per_unit": 1356.3636363636363,
      "floor_per_unit": 78.72727272727273,
      "yoy": null,
      "ratio_national": 0.7007612986358545,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 56.954257274826794,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 11,
      "floor_total": 898,
      "cost_total": 12574,
      "price_per_tsubo": 46.288422561247216,
      "price_per_sqm": 140022.27171492204,
      "cost_per_unit": 1143.090909090909,
      "floor_per_unit": 81.63636363636364,
      "yoy": -18.727019232491628,
      "ratio_national": 0.5307038416405784,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 42.74092572599004,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2025,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}