{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "rowhouse",
    "label": "持家・長屋建"
  },
  "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": 2012,
      "units": 26,
      "floor_total": 2121,
      "cost_total": 50718,
      "price_per_tsubo": 79.0490604526167,
      "price_per_sqm": 239123.05516265912,
      "cost_per_unit": 1950.6923076923076,
      "floor_per_unit": 81.57692307692308,
      "yoy": null,
      "ratio_national": 0.9676516994274972,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 90.03309846539487,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 16,
      "floor_total": 1004,
      "cost_total": 28710,
      "price_per_tsubo": 94.53110647410358,
      "price_per_sqm": 285956.17529880477,
      "cost_per_unit": 1794.375,
      "floor_per_unit": 62.75,
      "yoy": 19.58536373846855,
      "ratio_national": 1.1222800238336648,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 104.68561071329302,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 17,
      "floor_total": 1214,
      "cost_total": 32973,
      "price_per_tsubo": 89.78732592257002,
      "price_per_sqm": 271606.26029654033,
      "cost_per_unit": 1939.5882352941176,
      "floor_per_unit": 71.41176470588235,
      "yoy": null,
      "ratio_national": 1.0798521915211936,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 96.13204060232336,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 17,
      "floor_total": 1198,
      "cost_total": 35707,
      "price_per_tsubo": 98.53075419866444,
      "price_per_sqm": 298055.0918196995,
      "cost_per_unit": 2100.4117647058824,
      "floor_per_unit": 70.47058823529412,
      "yoy": 9.737931480033723,
      "ratio_national": 1.0917451386285173,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 105.4933128465358,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 12,
      "floor_total": 1016,
      "cost_total": 30000,
      "price_per_tsubo": 97.6119094488189,
      "price_per_sqm": 295275.5905511811,
      "cost_per_unit": 2500,
      "floor_per_unit": 84.66666666666667,
      "yoy": -0.9325461449253614,
      "ratio_national": 1.050358169623463,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 102.53351832859127,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 15,
      "floor_total": 1152,
      "cost_total": 29014,
      "price_per_tsubo": 83.25884640625,
      "price_per_sqm": 251857.63888888888,
      "cost_per_unit": 1934.2666666666667,
      "floor_per_unit": 76.8,
      "yoy": -14.70421296296297,
      "ratio_national": 0.9014296849401927,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 84.87140306447503,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 12,
      "floor_total": 1067,
      "cost_total": 38201,
      "price_per_tsubo": 118.35471770384254,
      "price_per_sqm": 358022.4929709466,
      "cost_per_unit": 3183.4166666666665,
      "floor_per_unit": 88.91666666666667,
      "yoy": 42.15272347919294,
      "ratio_national": 1.2419306074355487,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 118.11848074235782,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 14,
      "floor_total": 841,
      "cost_total": 23635,
      "price_per_tsubo": 92.90409827586207,
      "price_per_sqm": 281034.4827586207,
      "cost_per_unit": 1688.2142857142858,
      "floor_per_unit": 60.07142857142857,
      "yoy": -21.503679719523493,
      "ratio_national": 0.9310916398917339,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 92.90409827586207,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 16,
      "floor_total": 1253,
      "cost_total": 39622,
      "price_per_tsubo": 104.5347257621708,
      "price_per_sqm": 316217.0790103751,
      "cost_per_unit": 2476.375,
      "floor_per_unit": 78.3125,
      "yoy": null,
      "ratio_national": 0.9410495039249831,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 89.8064654314182,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2024,
      "units": 16,
      "floor_total": 1225,
      "cost_total": 47860,
      "price_per_tsubo": 129.15519134693878,
      "price_per_sqm": 390693.8775510204,
      "cost_per_unit": 2991.25,
      "floor_per_unit": 76.5625,
      "yoy": null,
      "ratio_national": 0.9899867751795622,
      "rank_in_national": 2,
      "is_spliced": true,
      "price_per_tsubo_real": 106.38813125777493,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 10,
      "floor_total": 765,
      "cost_total": 29590,
      "price_per_tsubo": 127.86709294117647,
      "price_per_sqm": 386797.38562091504,
      "cost_per_unit": 2959,
      "floor_per_unit": 76.5,
      "yoy": -0.9973260790595684,
      "ratio_national": 0.9599237616766622,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 102.86974492451849,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}